added benchmarking scripts

a67190c6 · matthijs · 8895c35e · a67190c6 · a67190c6 · a67190c6
Commit a67190c6 authored Feb 24, 2017 by matthijs
69 changed files
--- a/benchs/bench_gpu_1bn.py
+++ b/benchs/bench_gpu_1bn.py
--- a/benchs/bench_gpu_sift1m.py
+++ b/benchs/bench_gpu_sift1m.py
+
+# Copyright (c) 2015-present, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under the CC-by-NC license found in the
+# LICENSE file in the root directory of this source tree.
+
+#!/usr/bin/env python2
+
+import os
+import time
+import numpy as np
+import pdb
+
+import faiss
+
+#################################################################
+# I/O functions
+#################################################################
+
+def ivecs_read(fname):
+    a = np.fromfile(fname, dtype='int32')
+    d = a[0]
+    return a.reshape(-1, d + 1)[:, 1:].copy()
+
+def fvecs_read(fname):
+    return ivecs_read(fname).view('float32')
+
+
+#################################################################
+#  Main program
+#################################################################
+
+print "load data"
+
+xt = fvecs_read("sift1M/sift_learn.fvecs")
+xb = fvecs_read("sift1M/sift_base.fvecs")
+xq = fvecs_read("sift1M/sift_query.fvecs")
+
+nq, d = xq.shape
+
+print "load GT"
+gt = ivecs_read("sift1M/sift_groundtruth.ivecs")
+
+# we need only a StandardGpuResources per GPU
+res = faiss.StandardGpuResources()
+
+
+#################################################################
+#  Exact search experiment
+#################################################################
+
+print "============ Exact search"
+
+index = faiss.GpuIndexFlatL2(res, 0, d, False)
+
+print "add vectors to index"
+
+index.add(xb)
+
+print "warmup"
+
+index.search(xq, 123)
+
+print "benchmark"
+
+for lk in range(11):
+    k = 1 << lk
+    t0 = time.time()
+    D, I = index.search(xq, k)
+    t1 = time.time()
+
+    # the recall should be 1 at all times
+    recall_at_1 = (I[:, :1] == gt[:, :1]).sum() / float(nq)
+    print "k=%d %.3f s, R@1 %.4f" % (
+        k, t1 - t0, recall_at_1)
+
+
+#################################################################
+#  Approximate search experiment
+#################################################################
+
+print "============ Approximate search"
+
+index = faiss.index_factory(d, "IVF4096,PQ64")
+
+# faster, uses more memory
+# index = faiss.index_factory(d, "IVF16384,Flat")
+
+co = faiss.GpuClonerOptions()
+
+# here we are using a 64-byte PQ, so we must set the lookup tables to
+# 16 bit float (this is due to the limited temporary memory).
+co.useFloat16 = True
+
+index = faiss.index_cpu_to_gpu(res, 0, index, co)
+
+print "train"
+
+index.train(xt)
+
+print "add vectors to index"
+
+index.add(xb)
+
+print "warmup"
+
+index.search(xq, 123)
+
+print "benchmark"
+
+for lnprobe in range(10):
+    nprobe = 1 << lnprobe
+    index.setNumProbes(nprobe)
+    t0 = time.time()
+    D, I = index.search(xq, 100)
+    t1 = time.time()
+
+    print "nprobe=%4d %.3f s recalls=" % (nprobe, t1 - t0),
+    for rank in 1, 10, 100:
+        n_ok = (I[:, :rank] == gt[:, :1]).sum()
+        print "%.4f" % (n_ok / float(nq)),
+    print
--- a/benchs/bench_polysemous_1bn.py
+++ b/benchs/bench_polysemous_1bn.py
+
+# Copyright (c) 2015-present, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under the CC-by-NC license found in the
+# LICENSE file in the root directory of this source tree.
+
+#!/usr/bin/env python2
+
+import os
+import sys
+import time
+import numpy as np
+import re
+import faiss
+from multiprocessing.dummy import Pool as ThreadPool
+
+#################################################################
+# I/O functions
+#################################################################
+
+
+def ivecs_read(fname):
+    a = np.fromfile(fname, dtype='int32')
+    d = a[0]
+    return a.reshape(-1, d + 1)[:, 1:].copy()
+
+
+def fvecs_read(fname):
+    return ivecs_read(fname).view('float32')
+
+# we mem-map the biggest files to avoid having them in memory all at
+# once
+
+
+def mmap_fvecs(fname):
+    x = np.memmap(fname, dtype='int32', mode='r')
+    d = x[0]
+    return x.view('float32').reshape(-1, d + 1)[:, 1:]
+
+
+def mmap_bvecs(fname):
+    x = np.memmap(fname, dtype='uint8', mode='r')
+    d = x[:4].view('int32')[0]
+    return x.reshape(-1, d + 4)[:, 4:]
+
+
+#################################################################
+# Bookkeeping
+#################################################################
+
+
+dbname        = sys.argv[1]
+index_key     = sys.argv[2]
+parametersets = sys.argv[3:]
+
+
+tmpdir = '/tmp/bench_polysemous'
+
+if not os.path.isdir(tmpdir):
+    print "%s does not exist, creating it" % tmpdir
+    os.mkdir(tmpdir)
+
+
+#################################################################
+# Prepare dataset
+#################################################################
+
+
+print "Preparing dataset", dbname
+
+if dbname.startswith('SIFT'):
+    # SIFT1M to SIFT1000M
+    dbsize = int(dbname[4:-1])
+    xb = mmap_bvecs('bigann/bigann_base.bvecs')
+    xq = mmap_bvecs('bigann/bigann_query.bvecs')
+    xt = mmap_bvecs('bigann/bigann_learn.bvecs')
+
+    # trim xb to correct size
+    xb = xb[:dbsize * 1000 * 1000]
+
+    gt = ivecs_read('bigann/gnd/idx_%dM.ivecs' % dbsize)
+
+elif dbname == 'Deep1B':
+    xb = mmap_fvecs('deep1b/base.fvecs')
+    xq = mmap_fvecs('deep1b/deep1B_queries.fvecs')
+    xt = mmap_fvecs('deep1b/learn.fvecs')
+    # deep1B's train is is outrageously big
+    xt = xt[:10 * 1000 * 1000]
+    gt = ivecs_read('deep1b/deep1B_groundtruth.ivecs')
+
+else:
+    print >> sys.stderr, 'unknown dataset', dbname
+    sys.exit(1)
+
+
+print "sizes: B %s Q %s T %s gt %s" % (
+    xb.shape, xq.shape, xt.shape, gt.shape)
+
+nq, d = xq.shape
+nb, d = xb.shape
+assert gt.shape[0] == nq
+
+
+#################################################################
+# Training
+#################################################################
+
+
+def choose_train_size(index_key):
+
+    # some training vectors for PQ and the PCA
+    n_train = 256 * 1000
+
+    if "IVF" in index_key:
+        matches = re.findall('IVF([0-9]+)', index_key)
+        ncentroids = int(matches[0])
+        n_train = max(n_train, 100 * ncentroids)
+    elif "IMI" in index_key:
+        matches = re.findall('IMI2x([0-9]+)', index_key)
+        nbit = int(matches[0])
+        n_train = max(n_train, 256 * (1 << nbit))
+    return n_train
+
+
+def get_trained_index():
+    filename = "%s/%s_%s_trained.index" % (
+        tmpdir, dbname, index_key)
+
+    if not os.path.exists(filename):
+        index = faiss.index_factory(d, index_key)
+
+        n_train = choose_train_size(index_key)
+
+        xtsub = xt[:n_train]
+        print "Keeping %d train vectors" % xtsub.shape[0]
+        # make sure the data is actually in RAM and in float
+        xtsub = xtsub.astype('float32').copy()
+        index.verbose = True
+
+        t0 = time.time()
+        index.train(xtsub)
+        index.verbose = False
+        print "train done in %.3f s" % (time.time() - t0)
+        print "storing", filename
+        faiss.write_index(index, filename)
+    else:
+        print "loading", filename
+        index = faiss.read_index(filename)
+    return index
+
+
+#################################################################
+# Adding vectors to dataset
+#################################################################
+
+def rate_limited_imap(f, l):
+    'a thread pre-processes the next element'
+    pool = ThreadPool(1)
+    res = None
+    for i in l:
+        res_next = pool.apply_async(f, (i, ))
+        if res:
+            yield res.get()
+        res = res_next
+    yield res.get()
+
+
+def matrix_slice_iterator(x, bs):
+    " iterate over the lines of x in blocks of size bs"
+    nb = x.shape[0]
+    block_ranges = [(i0, min(nb, i0 + bs))
+                    for i0 in range(0, nb, bs)]
+
+    return rate_limited_imap(
+        lambda (i0, i1): x[i0:i1].astype('float32').copy(),
+        block_ranges)
+
+
+def get_populated_index():
+
+    filename = "%s/%s_%s_populated.index" % (
+        tmpdir, dbname, index_key)
+
+    if not os.path.exists(filename):
+        index = get_trained_index()
+        i0 = 0
+        t0 = time.time()
+        for xs in matrix_slice_iterator(xb, 100000):
+            i1 = i0 + xs.shape[0]
+            print '\radd %d:%d, %.3f s' % (i0, i1, time.time() - t0),
+            sys.stdout.flush()
+            index.add(xs)
+            i0 = i1
+        print
+        print "Add done in %.3f s" % (time.time() - t0)
+        print "storing", filename
+        faiss.write_index(index, filename)
+    else:
+        print "loading", filename
+        index = faiss.read_index(filename)
+    return index
+
+
+#################################################################
+# Perform searches
+#################################################################
+
+index = get_populated_index()
+
+ps = faiss.ParameterSpace()
+ps.initialize(index)
+
+# make sure queries are in RAM
+xq = xq.astype('float32').copy()
+
+# a static C++ object that collects statistics about searches
+ivfpq_stats = faiss.cvar.indexIVFPQ_stats
+
+
+if parametersets == ['autotune'] or parametersets == ['autotuneMT']:
+
+    if parametersets == ['autotune']:
+        faiss.omp_set_num_threads(1)
+
+    # setup the Criterion object: optimize for 1-R@1
+    crit = faiss.OneRecallAtRCriterion(nq, 1)
+    # by default, the criterion will request only 1 NN
+    crit.nnn = 100
+    crit.set_groundtruth(None, gt.astype('int64'))
+
+    # then we let Faiss find the optimal parameters by itself
+    print "exploring operating points"
+
+    t0 = time.time()
+    op = ps.explore(index, xq, crit)
+    print "Done in %.3f s, available OPs:" % (time.time() - t0)
+
+    # opv is a C++ vector, so it cannot be accessed like a Python array
+    opv = op.optimal_pts
+    print "%-40s  1-R@1     time" % "Parameters"
+    for i in range(opv.size()):
+        opt = opv.at(i)
+        print "%-40s  %.4f  %7.3f" % (opt.key, opt.perf, opt.t)
+
+else:
+
+    # we do queries in a single thread
+    faiss.omp_set_num_threads(1)
+
+    print ' ' * len(parametersets[0]), '\t', 'R@1    R@10   R@100     time    %pass'
+
+    for param in parametersets:
+        print param, '\t',
+        sys.stdout.flush()
+        ps.set_index_parameters(index, param)
+        t0 = time.time()
+        ivfpq_stats.reset()
+        D, I = index.search(xq, 100)
+        t1 = time.time()
+        for rank in 1, 10, 100:
+            n_ok = (I[:, :rank] == gt[:, :1]).sum()
+            print "%.4f" % (n_ok / float(nq)),
+        print "%8.3f  " % ((t1 - t0) * 1000.0 / nq),
+        print "%5.2f" % (ivfpq_stats.n_hamming_pass * 100.0 / ivfpq_stats.ncode)
--- a/benchs/bench_polysemous_sift1m.py
+++ b/benchs/bench_polysemous_sift1m.py
+
+# Copyright (c) 2015-present, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under the CC-by-NC license found in the
+# LICENSE file in the root directory of this source tree.
+
+#!/usr/bin/env python2
+
+import time
+import numpy as np
+
+import faiss
+
+#################################################################
+# Small I/O functions
+#################################################################
+
+
+def ivecs_read(fname):
+    a = np.fromfile(fname, dtype='int32')
+    d = a[0]
+    return a.reshape(-1, d + 1)[:, 1:].copy()
+
+
+def fvecs_read(fname):
+    return ivecs_read(fname).view('float32')
+
+
+#################################################################
+#  Main program
+#################################################################
+
+print "load data"
+
+xt = fvecs_read("sift1M/sift_learn.fvecs")
+xb = fvecs_read("sift1M/sift_base.fvecs")
+xq = fvecs_read("sift1M/sift_query.fvecs")
+
+nq, d = xq.shape
+
+print "load GT"
+
+gt = ivecs_read("sift1M/sift_groundtruth.ivecs")
+
+
+# index with 16 subquantizers, 8 bit each
+index = faiss.IndexPQ(d, 16, 8)
+index.do_polysemous_training = True
+index.verbose = True
+
+print "train"
+
+index.train(xt)
+
+print "add vectors to index"
+
+index.add(xb)
+
+nt = 1
+faiss.omp_set_num_threads(1)
+
+
+def evaluate():
+    t0 = time.time()
+    D, I = index.search(xq, 1)
+    t1 = time.time()
+
+    recall_at_1 = (I == gt[:, :1]).sum() / float(nq)
+    print "\t %7.3f ms per query, R@1 %.4f" % (
+        (t1 - t0) * 1000.0 / nq * nt, recall_at_1)
+
+
+print "PQ baseline",
+index.search_type = faiss.IndexPQ.ST_PQ
+evaluate()
+
+for ht in 64, 62, 58, 54, 50, 46, 42, 38, 34, 30:
+    print "Polysemous", ht,
+    index.search_type = faiss.IndexPQ.ST_polysemous
+    index.polysemous_ht = ht
+    evaluate()
--- a/benchs/kmeans_mnist.py
+++ b/benchs/kmeans_mnist.py
+
+# Copyright (c) 2015-present, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under the CC-by-NC license found in the
+# LICENSE file in the root directory of this source tree.
+
+#! /usr/bin/env python2
+
+import numpy as np
+import time
+import faiss
+import sys
+
+
+# Get command-line arguments
+
+k = int(sys.argv[1])
+ngpu = int(sys.argv[2])
+
+# Load Leon's file format
+
+def load_mnist(fname):
+    print "load", fname
+    f = open(fname)
+
+    header = np.fromfile(f, dtype='int8', count=4*4)
+    header = header.reshape(4, 4)[:, ::-1].copy().view('int32')
+    print header
+    nim, xd, yd = [int(x) for x in header[1:]]
+
+    data = np.fromfile(f, count=nim * xd * yd,
+                       dtype='uint8')
+
+    print data.shape, nim, xd, yd
+    data = data.reshape(nim, xd, yd)
+    return data
+
+x = load_mnist(basedir + 'mnist8m/mnist8m-patterns-idx3-ubyte')
+
+print "reshape"
+
+x = x.reshape(x.shape[0], -1).astype('float32')
+
+
+def train_kmeans(x, k, ngpu):
+    "Runs kmeans on one or several GPUs"
+    d = x.shape[1]
+    clus = faiss.Clustering(d, k)
+    clus.verbose = True
+    clus.niter = 20
+
+    # otherwise the kmeans implementation sub-samples the training set
+    clus.max_points_per_centroid = 10000000
+
+    res = [faiss.StandardGpuResources() for i in range(ngpu)]
+
+    useFloat16 = False
+
+    if ngpu == 1:
+        index = faiss.GpuIndexFlatL2(res[0], 0, d, useFloat16)
+    else:
+        indexes = [faiss.GpuIndexFlatL2(res[i], i, d, useFloat16)
+                   for i in range(ngpu)]
+        index = faiss.IndexProxy()
+        for sub_index in indexes:
+            index.addIndex(sub_index)
+
+    # perform the training
+    clus.train(x, index)
+    centroids = faiss.vector_float_to_array(clus.centroids)
+
+    obj = faiss.vector_float_to_array(clus.obj)
+    print "final objective: %.4g" % obj[-1]
+
+    return centroids.reshape(k, d)
+
+print "run"
+t0 = time.time()
+train_kmeans(x, k, ngpu)
+t1 = time.time()
+
+print "total runtime: %.3f s" % (t1 - t0)
--- a/docs/html/AutoTune_8cpp_source.html
+++ b/docs/html/AutoTune_8cpp_source.html
@@ -900,13 +900,13 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_aa61330eadb84772b71018b093773a5f9"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#aa61330eadb84772b71018b093773a5f9">faiss::ProductQuantizer::code_size</a></div><div class="ttdeci">size_t code_size</div><div class="ttdoc">byte per indexed vector </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8h_source.html#l00035">ProductQuantizer.h:35</a></div></div>
 <div class="ttc" id="structfaiss_1_1IndexIVFPQ_html"><div class="ttname"><a href="structfaiss_1_1IndexIVFPQ.html">faiss::IndexIVFPQ</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexIVFPQ_8h_source.html#l00030">IndexIVFPQ.h:30</a></div></div>
 <div class="ttc" id="structfaiss_1_1IndexIVF_html_a9746bcd42ecec1501f221e918b25e8e7"><div class="ttname"><a href="structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7">faiss::IndexIVF::cp</a></div><div class="ttdeci">ClusteringParameters cp</div><div class="ttdoc">to override default clustering params </div><div class="ttdef"><b>Definition:</b> <a href="IndexIVF_8h_source.html#l00054">IndexIVF.h:54</a></div></div>
-<div class="ttc" id="structfaiss_1_1ParameterSpace_html_af6dc3b9c5631b509cbae99bf0f24170b"><div class="ttname"><a href="structfaiss_1_1ParameterSpace.html#af6dc3b9c5631b509cbae99bf0f24170b">faiss::ParameterSpace::thread_over_batches</a></div><div class="ttdeci">bool thread_over_batches</div><div class="ttdoc">use multithreading over batches (useful to benchmark independent single-searches) ...</div><div class="ttdef"><b>Definition:</b> <a href="AutoTune_8h_source.html#l00149">AutoTune.h:149</a></div></div>
+<div class="ttc" id="structfaiss_1_1ParameterSpace_html_af6dc3b9c5631b509cbae99bf0f24170b"><div class="ttname"><a href="structfaiss_1_1ParameterSpace.html#af6dc3b9c5631b509cbae99bf0f24170b">faiss::ParameterSpace::thread_over_batches</a></div><div class="ttdeci">bool thread_over_batches</div><div class="ttdef"><b>Definition:</b> <a href="AutoTune_8h_source.html#l00150">AutoTune.h:150</a></div></div>
 <div class="ttc" id="structfaiss_1_1IndexIVF_html_aed2e9757ad5f3c234fd8ad60175a2a73"><div class="ttname"><a href="structfaiss_1_1IndexIVF.html#aed2e9757ad5f3c234fd8ad60175a2a73">faiss::IndexIVF::own_fields</a></div><div class="ttdeci">bool own_fields</div><div class="ttdoc">whether object owns the quantizer </div><div class="ttdef"><b>Definition:</b> <a href="IndexIVF_8h_source.html#l00052">IndexIVF.h:52</a></div></div>
 <div class="ttc" id="structfaiss_1_1OperatingPoints_html_a48f457047b0511ecc531f250ef8b19c3"><div class="ttname"><a href="structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3">faiss::OperatingPoints::all_pts</a></div><div class="ttdeci">std::vector&lt; OperatingPoint &gt; all_pts</div><div class="ttdoc">all operating points </div><div class="ttdef"><b>Definition:</b> <a href="AutoTune_8h_source.html#l00096">AutoTune.h:96</a></div></div>
-<div class="ttc" id="namespacefaiss_html_a8dbc652ba48d41f126b8815004899448"><div class="ttname"><a href="namespacefaiss.html#a8dbc652ba48d41f126b8815004899448">faiss::ranklist_intersection_size</a></div><div class="ttdeci">size_t ranklist_intersection_size(size_t k1, const long *v1, size_t k2, const long *v2_in)</div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l01393">utils.cpp:1393</a></div></div>
+<div class="ttc" id="namespacefaiss_html_a8dbc652ba48d41f126b8815004899448"><div class="ttname"><a href="namespacefaiss.html#a8dbc652ba48d41f126b8815004899448">faiss::ranklist_intersection_size</a></div><div class="ttdeci">size_t ranklist_intersection_size(size_t k1, const long *v1, size_t k2, const long *v2_in)</div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l01394">utils.cpp:1394</a></div></div>
 <div class="ttc" id="structfaiss_1_1AutoTuneCriterion_html"><div class="ttname"><a href="structfaiss_1_1AutoTuneCriterion.html">faiss::AutoTuneCriterion</a></div><div class="ttdef"><b>Definition:</b> <a href="AutoTune_8h_source.html#l00027">AutoTune.h:27</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a5590d847c5c2b958affd2a05e58a6f23"><div class="ttname"><a href="structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23">faiss::Index::verbose</a></div><div class="ttdeci">bool verbose</div><div class="ttdoc">verbosity level </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00068">Index.h:68</a></div></div>
-<div class="ttc" id="namespacefaiss_html_af2a71f7d5402ae02ce169a4cc83020eb"><div class="ttname"><a href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">faiss::getmillisecs</a></div><div class="ttdeci">double getmillisecs()</div><div class="ttdoc">ms elapsed since some arbitrary epoch </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00072">utils.cpp:72</a></div></div>
+<div class="ttc" id="namespacefaiss_html_af2a71f7d5402ae02ce169a4cc83020eb"><div class="ttname"><a href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">faiss::getmillisecs</a></div><div class="ttdeci">double getmillisecs()</div><div class="ttdoc">ms elapsed since some arbitrary epoch </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00071">utils.cpp:71</a></div></div>
 <div class="ttc" id="structfaiss_1_1AutoTuneCriterion_html_a40e91caa9232a597c16fc946d0befd9b"><div class="ttname"><a href="structfaiss_1_1AutoTuneCriterion.html#a40e91caa9232a597c16fc946d0befd9b">faiss::AutoTuneCriterion::gt_D</a></div><div class="ttdeci">std::vector&lt; float &gt; gt_D</div><div class="ttdoc">Ground-truth distances (size nq * gt_nnn) </div><div class="ttdef"><b>Definition:</b> <a href="AutoTune_8h_source.html#l00033">AutoTune.h:33</a></div></div>
 <div class="ttc" id="structfaiss_1_1ParameterSpace_html_a7bb416dbab456bb1ecd9ace433fa5312"><div class="ttname"><a href="structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312">faiss::ParameterSpace::combination_name</a></div><div class="ttdeci">std::string combination_name(size_t cno) const </div><div class="ttdoc">get string representation of the combination </div><div class="ttdef"><b>Definition:</b> <a href="AutoTune_8cpp_source.html#l00276">AutoTune.cpp:276</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_aced51b1ebc33c47ab3ae15ea906559a7"><div class="ttname"><a href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">faiss::Index::search</a></div><div class="ttdeci">virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const =0</div></div>

--- a/docs/html/AutoTune_8h_source.html
+++ b/docs/html/AutoTune_8h_source.html
--- a/docs/html/Clustering_8cpp_source.html
+++ b/docs/html/Clustering_8cpp_source.html
@@ -251,8 +251,8 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                                              assign, <a class="code" href="structfaiss_1_1Clustering.html#afbf6efacae54c58586b75ed790facd74">d</a>, <a class="code" href="structfaiss_1_1Clustering.html#a87581785d9516c683bbc7c9392bfa993">k</a>, nx);</div>
 <div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div>
 <div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;            <span class="keywordflow">if</span> (verbose) {</div>
-<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;                printf (<span class="stringliteral">&quot;  Iteration %d (%5g s, search %5g s): &quot;</span></div>
-<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;                        <span class="stringliteral">&quot;objective=%g imbalance=%g nsplit=%d       \r&quot;</span>,</div>
+<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;                printf (<span class="stringliteral">&quot;  Iteration %d (%.2f s, search %.2f s): &quot;</span></div>
+<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;                        <span class="stringliteral">&quot;objective=%g imbalance=%.3f nsplit=%d       \r&quot;</span>,</div>
 <div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;                        i, (<a class="code" href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">getmillisecs</a>() - t0) / 1000.0,</div>
 <div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;                        t_search_tot / 1000,</div>
 <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                        err, imbalance_factor (nx, k, assign),</div>
@@ -301,7 +301,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;</div>
 <div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;} <span class="comment">// namespace faiss</span></div>
 <div class="ttc" id="structfaiss_1_1ClusteringParameters_html_a5c7c6f05c75e1668befdb3be148fd5f9"><div class="ttname"><a href="structfaiss_1_1ClusteringParameters.html#a5c7c6f05c75e1668befdb3be148fd5f9">faiss::ClusteringParameters::niter</a></div><div class="ttdeci">int niter</div><div class="ttdoc">clustering iterations </div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00026">Clustering.h:26</a></div></div>
-<div class="ttc" id="namespacefaiss_html_ad1cfbe51f2d77dc5094e0140f5955165"><div class="ttname"><a href="namespacefaiss.html#ad1cfbe51f2d77dc5094e0140f5955165">faiss::km_update_centroids</a></div><div class="ttdeci">int km_update_centroids(const float *x, float *centroids, long *assign, size_t d, size_t k, size_t n)</div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l01285">utils.cpp:1285</a></div></div>
+<div class="ttc" id="namespacefaiss_html_ad1cfbe51f2d77dc5094e0140f5955165"><div class="ttname"><a href="namespacefaiss.html#ad1cfbe51f2d77dc5094e0140f5955165">faiss::km_update_centroids</a></div><div class="ttdeci">int km_update_centroids(const float *x, float *centroids, long *assign, size_t d, size_t k, size_t n)</div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l01286">utils.cpp:1286</a></div></div>
 <div class="ttc" id="structfaiss_1_1ClusteringParameters_html_a11a049c40c376c57ac6cc3b8d5d1d58b"><div class="ttname"><a href="structfaiss_1_1ClusteringParameters.html#a11a049c40c376c57ac6cc3b8d5d1d58b">faiss::ClusteringParameters::nredo</a></div><div class="ttdeci">int nredo</div><div class="ttdoc">redo clustering this many times and keep best </div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00027">Clustering.h:27</a></div></div>
 <div class="ttc" id="structfaiss_1_1ClusteringParameters_html_a86c8802261041f5d49b1a0d296da60be"><div class="ttname"><a href="structfaiss_1_1ClusteringParameters.html#a86c8802261041f5d49b1a0d296da60be">faiss::ClusteringParameters::ClusteringParameters</a></div><div class="ttdeci">ClusteringParameters()</div><div class="ttdoc">sets reasonable defaults </div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8cpp_source.html#l00028">Clustering.cpp:28</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a849361f5f0ab0aba8d419c86f2594191"><div class="ttname"><a href="structfaiss_1_1Index.html#a849361f5f0ab0aba8d419c86f2594191">faiss::Index::reset</a></div><div class="ttdeci">virtual void reset()=0</div><div class="ttdoc">removes all elements from the database. </div></div>
@@ -315,7 +315,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="ttc" id="structfaiss_1_1Clustering_html_a91e32da946477bb751706a68c5cd3327"><div class="ttname"><a href="structfaiss_1_1Clustering.html#a91e32da946477bb751706a68c5cd3327">faiss::Clustering::obj</a></div><div class="ttdeci">std::vector&lt; float &gt; obj</div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00068">Clustering.h:68</a></div></div>
 <div class="ttc" id="namespacefaiss_html_a38bd0dde8a1b229201a5fcb64d05daa6"><div class="ttname"><a href="namespacefaiss.html#a38bd0dde8a1b229201a5fcb64d05daa6">faiss::kmeans_clustering</a></div><div class="ttdeci">float kmeans_clustering(size_t d, size_t n, size_t k, const float *x, float *centroids)</div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8cpp_source.html#l00204">Clustering.cpp:204</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a6970683faa021b7a6f1a0865c0d4eccd"><div class="ttname"><a href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">faiss::Index::ntotal</a></div><div class="ttdeci">idx_t ntotal</div><div class="ttdoc">total nb of indexed vectors </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00067">Index.h:67</a></div></div>
-<div class="ttc" id="namespacefaiss_html_af2a71f7d5402ae02ce169a4cc83020eb"><div class="ttname"><a href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">faiss::getmillisecs</a></div><div class="ttdeci">double getmillisecs()</div><div class="ttdoc">ms elapsed since some arbitrary epoch </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00072">utils.cpp:72</a></div></div>
+<div class="ttc" id="namespacefaiss_html_af2a71f7d5402ae02ce169a4cc83020eb"><div class="ttname"><a href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">faiss::getmillisecs</a></div><div class="ttdeci">double getmillisecs()</div><div class="ttdoc">ms elapsed since some arbitrary epoch </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00071">utils.cpp:71</a></div></div>
 <div class="ttc" id="structfaiss_1_1Clustering_html_a64c5ec0b4a7967d8be2872974b455ff1"><div class="ttname"><a href="structfaiss_1_1Clustering.html#a64c5ec0b4a7967d8be2872974b455ff1">faiss::Clustering::centroids</a></div><div class="ttdeci">std::vector&lt; float &gt; centroids</div><div class="ttdoc">centroids (k * d) </div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00064">Clustering.h:64</a></div></div>
 <div class="ttc" id="structfaiss_1_1Clustering_html_afbf6efacae54c58586b75ed790facd74"><div class="ttname"><a href="structfaiss_1_1Clustering.html#afbf6efacae54c58586b75ed790facd74">faiss::Clustering::d</a></div><div class="ttdeci">size_t d</div><div class="ttdoc">dimension of the vectors </div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00060">Clustering.h:60</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_aced51b1ebc33c47ab3ae15ea906559a7"><div class="ttname"><a href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">faiss::Index::search</a></div><div class="ttdeci">virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const =0</div></div>

--- a/docs/html/Float16_8cu_source.html
+++ b/docs/html/Float16_8cu_source.html
--- a/docs/html/GpuIndexIVFFlat_8cu_source.html
+++ b/docs/html/GpuIndexIVFFlat_8cu_source.html
@@ -380,7 +380,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;</div>
 <div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;} } <span class="comment">// namespace</span></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1IVFFlat_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFFlat.html">faiss::gpu::IVFFlat</a></div><div class="ttdef"><b>Definition:</b> <a href="IVFFlat_8cuh_source.html#l00018">IVFFlat.cuh:18</a></div></div>
-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_a4d44e8aebc380b7c846a8d8e6e835540"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#a4d44e8aebc380b7c846a8d8e6e835540">faiss::gpu::IVFBase::getDim</a></div><div class="ttdeci">int getDim() const </div><div class="ttdoc">Return the number of dimensions we are indexing. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00098">IVFBase.cu:98</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_a4d44e8aebc380b7c846a8d8e6e835540"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#a4d44e8aebc380b7c846a8d8e6e835540">faiss::gpu::IVFBase::getDim</a></div><div class="ttdeci">int getDim() const </div><div class="ttdoc">Return the number of dimensions we are indexing. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00099">IVFBase.cu:99</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html_a310b00d4443920a855b11276d488c9a7"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a310b00d4443920a855b11276d488c9a7">faiss::gpu::GpuIndexFlat::getGpuData</a></div><div class="ttdeci">FlatIndex * getGpuData()</div><div class="ttdoc">For internal access. </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00100">GpuIndexFlat.h:100</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_a96fd66c31c7e46b1549ed61d1b3476f3"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a96fd66c31c7e46b1549ed61d1b3476f3">faiss::gpu::GpuIndexIVFFlat::copyFrom</a></div><div class="ttdeci">void copyFrom(const faiss::IndexIVFFlat *index)</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexIVFFlat_8cu_source.html#l00103">GpuIndexIVFFlat.cu:103</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_a02e1e2d080ee31bf7835f89b9f2a13a9"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#a02e1e2d080ee31bf7835f89b9f2a13a9">faiss::gpu::IVFBase::reserveMemory</a></div><div class="ttdeci">void reserveMemory(size_t numVecs)</div><div class="ttdoc">Reserve GPU memory in our inverted lists for this number of vectors. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00044">IVFBase.cu:44</a></div></div>
@@ -411,11 +411,11 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="ttc" id="classfaiss_1_1gpu_1_1IVFFlat_html_a78473b609750b8ec7dfe3d137f50c650"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFFlat.html#a78473b609750b8ec7dfe3d137f50c650">faiss::gpu::IVFFlat::getListVectors</a></div><div class="ttdeci">std::vector&lt; float &gt; getListVectors(int listId) const </div><div class="ttdoc">Return the vectors of a particular list back to the CPU. </div><div class="ttdef"><b>Definition:</b> <a href="IVFFlat_8cu_source.html#l00353">IVFFlat.cu:353</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a8e18f641854b2bde83ecff0a2f9a6f4e"><div class="ttname"><a href="structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e">faiss::Index::metric_type</a></div><div class="ttdeci">MetricType metric_type</div><div class="ttdoc">type of metric this index uses for search </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00074">Index.h:74</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_a45d2407896ded570f07e4a606b45b989"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a45d2407896ded570f07e4a606b45b989">faiss::gpu::GpuIndexIVFFlat::GpuIndexIVFFlat</a></div><div class="ttdeci">GpuIndexIVFFlat(GpuResources *resources, int device, bool useFloat16CoarseQuantizer, bool useFloat16IVFStorage, int dims, int nlist, IndicesOptions indicesOptions, faiss::MetricType metric)</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexIVFFlat_8cu_source.html#l00026">GpuIndexIVFFlat.cu:26</a></div></div>
-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_a4a4ed220b9433aa788ed32db8f20a9db"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#a4a4ed220b9433aa788ed32db8f20a9db">faiss::gpu::IVFBase::getListIndices</a></div><div class="ttdeci">std::vector&lt; long &gt; getListIndices(int listId) const </div><div class="ttdoc">Return the list indices of a particular list back to the CPU. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00205">IVFBase.cu:205</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_a4a4ed220b9433aa788ed32db8f20a9db"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#a4a4ed220b9433aa788ed32db8f20a9db">faiss::gpu::IVFBase::getListIndices</a></div><div class="ttdeci">std::vector&lt; long &gt; getListIndices(int listId) const </div><div class="ttdoc">Return the list indices of a particular list back to the CPU. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00206">IVFBase.cu:206</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">faiss::gpu::GpuIndexFlat</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00031">GpuIndexFlat.h:31</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexIVF_html_a94c2c171f9a2d27085dea9101067bdf2"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a94c2c171f9a2d27085dea9101067bdf2">faiss::gpu::GpuIndexIVF::copyFrom</a></div><div class="ttdeci">void copyFrom(const faiss::IndexIVF *index)</div><div class="ttdoc">Copy what we need from the CPU equivalent. </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexIVF_8cu_source.html#l00117">GpuIndexIVF.cu:117</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a6e92732617c4dbe364e7678dd8773a7f"><div class="ttname"><a href="structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f">faiss::Index::is_trained</a></div><div class="ttdeci">bool is_trained</div><div class="ttdoc">set if the Index does not require training, or if training is done already </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00071">Index.h:71</a></div></div>
-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_ac9b69e1b2582cb2c064b5fff60d31cc8"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#ac9b69e1b2582cb2c064b5fff60d31cc8">faiss::gpu::IVFBase::reclaimMemory</a></div><div class="ttdeci">size_t reclaimMemory()</div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00103">IVFBase.cu:103</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_ac9b69e1b2582cb2c064b5fff60d31cc8"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#ac9b69e1b2582cb2c064b5fff60d31cc8">faiss::gpu::IVFBase::reclaimMemory</a></div><div class="ttdeci">size_t reclaimMemory()</div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00104">IVFBase.cu:104</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_a88676a893e9b44041e7a52327d960b54"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a88676a893e9b44041e7a52327d960b54">faiss::gpu::GpuIndexIVFFlat::reset</a></div><div class="ttdeci">void reset() override</div><div class="ttdoc">removes all elements from the database. </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexIVFFlat_8cu_source.html#l00174">GpuIndexIVFFlat.cu:174</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_ad101d8f209f3a269ef75d8d5797ec56f"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#ad101d8f209f3a269ef75d8d5797ec56f">faiss::gpu::GpuIndexIVFFlat::search</a></div><div class="ttdeci">void search(faiss::Index::idx_t n, const float *x, faiss::Index::idx_t k, float *distances, faiss::Index::idx_t *labels) const override</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexIVFFlat_8cu_source.html#l00244">GpuIndexIVFFlat.cu:244</a></div></div>
 <div class="ttc" id="namespacefaiss_html_afd12191c638da74760ff397cf319752c"><div class="ttname"><a href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">faiss::MetricType</a></div><div class="ttdeci">MetricType</div><div class="ttdoc">Some algorithms support both an inner product vetsion and a L2 search version. </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00044">Index.h:44</a></div></div>

--- a/docs/html/GpuIndexIVFPQ_8cu_source.html
+++ b/docs/html/GpuIndexIVFPQ_8cu_source.html
--- a/docs/html/Heap_8h_source.html
+++ b/docs/html/Heap_8h_source.html
@@ -524,7 +524,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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-<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span></div>
+<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;<span class="keyword">inline</span></div>
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 <div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;    <span class="keyword">const</span> <span class="keyword">typename</span> C::T * bh_val,</div>
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--- a/docs/html/IVFBase_8cu_source.html
+++ b/docs/html/IVFBase_8cu_source.html
--- a/docs/html/IVFBase_8cuh_source.html
+++ b/docs/html/IVFBase_8cuh_source.html
--- a/docs/html/IVFFlat_8cu_source.html
+++ b/docs/html/IVFFlat_8cu_source.html
@@ -493,7 +493,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_acc695610c9513952b8d234dc0db78e5c"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#acc695610c9513952b8d234dc0db78e5c">faiss::gpu::IVFBase::updateDeviceListInfo_</a></div><div class="ttdeci">void updateDeviceListInfo_(cudaStream_t stream)</div><div class="ttdoc">Update all device-side list pointer and size information. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00136">IVFBase.cu:136</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_acc695610c9513952b8d234dc0db78e5c"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#acc695610c9513952b8d234dc0db78e5c">faiss::gpu::IVFBase::updateDeviceListInfo_</a></div><div class="ttdeci">void updateDeviceListInfo_(cudaStream_t stream)</div><div class="ttdoc">Update all device-side list pointer and size information. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00137">IVFBase.cu:137</a></div></div>
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@@ -501,7 +501,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_a5027720549de98f4e609d6339099df35"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#a5027720549de98f4e609d6339099df35">faiss::gpu::IVFBase::addIndicesFromCpu_</a></div><div class="ttdeci">void addIndicesFromCpu_(int listId, const long *indices, size_t numVecs)</div><div class="ttdoc">Shared function to copy indices from CPU to GPU. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00243">IVFBase.cu:243</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html_a5027720549de98f4e609d6339099df35"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html#a5027720549de98f4e609d6339099df35">faiss::gpu::IVFBase::addIndicesFromCpu_</a></div><div class="ttdeci">void addIndicesFromCpu_(int listId, const long *indices, size_t numVecs)</div><div class="ttdoc">Shared function to copy indices from CPU to GPU. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cu_source.html#l00244">IVFBase.cu:244</a></div></div>
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 <!-- start footer part -->
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--- a/docs/html/IVFPQ_8cu_source.html
+++ b/docs/html/IVFPQ_8cu_source.html
--- a/docs/html/IVFPQ_8cuh_source.html
+++ b/docs/html/IVFPQ_8cuh_source.html
@@ -228,21 +228,21 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="preprocessor"></span>};</div>
 <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div>
 <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;} } <span class="comment">// namespace</span></div>
-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_a9992b38226dc8f92ca2691582fabb675"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#a9992b38226dc8f92ca2691582fabb675">faiss::gpu::IVFPQ::addCodeVectorsFromCpu</a></div><div class="ttdeci">void addCodeVectorsFromCpu(int listId, const void *codes, const long *indices, size_t numVecs)</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00346">IVFPQ.cu:346</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_a9992b38226dc8f92ca2691582fabb675"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#a9992b38226dc8f92ca2691582fabb675">faiss::gpu::IVFPQ::addCodeVectorsFromCpu</a></div><div class="ttdeci">void addCodeVectorsFromCpu(int listId, const void *codes, const long *indices, size_t numVecs)</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00347">IVFPQ.cu:347</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1FlatIndex_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1FlatIndex.html">faiss::gpu::FlatIndex</a></div><div class="ttdoc">Holder of GPU resources for a particular flat index. </div><div class="ttdef"><b>Definition:</b> <a href="FlatIndex_8cuh_source.html#l00023">FlatIndex.cuh:23</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1IVFBase_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFBase.html">faiss::gpu::IVFBase</a></div><div class="ttdoc">Base inverted list functionality for IVFFlat and IVFPQ. </div><div class="ttdef"><b>Definition:</b> <a href="IVFBase_8cuh_source.html#l00027">IVFBase.cuh:27</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1GpuResources_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuResources.html">faiss::gpu::GpuResources</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuResources_8h_source.html#l00024">GpuResources.h:24</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_acdcc64f9b72e661d39528d5d67e54536"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#acdcc64f9b72e661d39528d5d67e54536">faiss::gpu::IVFPQ::IVFPQ</a></div><div class="ttdeci">IVFPQ(GpuResources *resources, FlatIndex *quantizer, int numSubQuantizers, int bitsPerSubQuantizer, float *pqCentroidData, IndicesOptions indicesOptions, bool useFloat16LookupTables)</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00036">IVFPQ.cu:36</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_adb58eeacdceb0e0fde1820ca7f116e05"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#adb58eeacdceb0e0fde1820ca7f116e05">faiss::gpu::IVFPQ::isSupportedPQCodeLength</a></div><div class="ttdeci">static bool isSupportedPQCodeLength(int size)</div><div class="ttdoc">Returns true if we support PQ in this size. </div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00071">IVFPQ.cu:71</a></div></div>
-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_ab1e07b04b25569cc58c5f3f033f4dab3"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#ab1e07b04b25569cc58c5f3f033f4dab3">faiss::gpu::IVFPQ::classifyAndAddVectors</a></div><div class="ttdeci">int classifyAndAddVectors(Tensor&lt; float, 2, true &gt; &amp;vecs, Tensor&lt; long, 1, true &gt; &amp;indices)</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00118">IVFPQ.cu:118</a></div></div>
-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_ab0c458aab9a3d903f31b0e63ce16e623"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#ab0c458aab9a3d903f31b0e63ce16e623">faiss::gpu::IVFPQ::query</a></div><div class="ttdeci">void query(Tensor&lt; float, 2, true &gt; &amp;queries, int nprobe, int k, Tensor&lt; float, 2, true &gt; &amp;outDistances, Tensor&lt; long, 2, true &gt; &amp;outIndices)</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00516">IVFPQ.cu:516</a></div></div>
-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_a3e8bff50f894c243c62e832f923e88e7"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#a3e8bff50f894c243c62e832f923e88e7">faiss::gpu::IVFPQ::getPQCentroids</a></div><div class="ttdeci">Tensor&lt; float, 3, true &gt; getPQCentroids()</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00591">IVFPQ.cu:591</a></div></div>
-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_adcee5dbf48c3cb6b8a67f5f392e155fd"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#adcee5dbf48c3cb6b8a67f5f392e155fd">faiss::gpu::IVFPQ::setPrecomputedCodes</a></div><div class="ttdeci">void setPrecomputedCodes(bool enable)</div><div class="ttdoc">Enable or disable pre-computed codes. </div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00100">IVFPQ.cu:100</a></div></div>
-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_a5b349dd021b11b5f48531825359b0657"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#a5b349dd021b11b5f48531825359b0657">faiss::gpu::IVFPQ::getListCodes</a></div><div class="ttdeci">std::vector&lt; unsigned char &gt; getListCodes(int listId) const </div><div class="ttdoc">Return the list codes of a particular list back to the CPU. </div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00583">IVFPQ.cu:583</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_ab1e07b04b25569cc58c5f3f033f4dab3"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#ab1e07b04b25569cc58c5f3f033f4dab3">faiss::gpu::IVFPQ::classifyAndAddVectors</a></div><div class="ttdeci">int classifyAndAddVectors(Tensor&lt; float, 2, true &gt; &amp;vecs, Tensor&lt; long, 1, true &gt; &amp;indices)</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00119">IVFPQ.cu:119</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_ab0c458aab9a3d903f31b0e63ce16e623"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#ab0c458aab9a3d903f31b0e63ce16e623">faiss::gpu::IVFPQ::query</a></div><div class="ttdeci">void query(Tensor&lt; float, 2, true &gt; &amp;queries, int nprobe, int k, Tensor&lt; float, 2, true &gt; &amp;outDistances, Tensor&lt; long, 2, true &gt; &amp;outIndices)</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00517">IVFPQ.cu:517</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_a3e8bff50f894c243c62e832f923e88e7"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#a3e8bff50f894c243c62e832f923e88e7">faiss::gpu::IVFPQ::getPQCentroids</a></div><div class="ttdeci">Tensor&lt; float, 3, true &gt; getPQCentroids()</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00592">IVFPQ.cu:592</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_adcee5dbf48c3cb6b8a67f5f392e155fd"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#adcee5dbf48c3cb6b8a67f5f392e155fd">faiss::gpu::IVFPQ::setPrecomputedCodes</a></div><div class="ttdeci">void setPrecomputedCodes(bool enable)</div><div class="ttdoc">Enable or disable pre-computed codes. </div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00101">IVFPQ.cu:101</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_a5b349dd021b11b5f48531825359b0657"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#a5b349dd021b11b5f48531825359b0657">faiss::gpu::IVFPQ::getListCodes</a></div><div class="ttdeci">std::vector&lt; unsigned char &gt; getListCodes(int listId) const </div><div class="ttdoc">Return the list codes of a particular list back to the CPU. </div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00584">IVFPQ.cu:584</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1Tensor_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1Tensor.html">faiss::gpu::Tensor</a></div><div class="ttdoc">Our tensor type. </div><div class="ttdef"><b>Definition:</b> <a href="Tensor_8cuh_source.html#l00031">Tensor.cuh:31</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1DeviceTensor_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1DeviceTensor.html">faiss::gpu::DeviceTensor&lt; float, 2, true &gt;</a></div></div>
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-<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_a0eedf0295ad73125ee1254173a176674"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#a0eedf0295ad73125ee1254173a176674">faiss::gpu::IVFPQ::isSupportedNoPrecomputedSubDimSize</a></div><div class="ttdeci">static bool isSupportedNoPrecomputedSubDimSize(int dims)</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00095">IVFPQ.cu:95</a></div></div>
+<div class="ttc" id="classfaiss_1_1gpu_1_1IVFPQ_html_a0eedf0295ad73125ee1254173a176674"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IVFPQ.html#a0eedf0295ad73125ee1254173a176674">faiss::gpu::IVFPQ::isSupportedNoPrecomputedSubDimSize</a></div><div class="ttdeci">static bool isSupportedNoPrecomputedSubDimSize(int dims)</div><div class="ttdef"><b>Definition:</b> <a href="IVFPQ_8cu_source.html#l00096">IVFPQ.cu:96</a></div></div>
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--- a/docs/html/IndexFlat_8cpp_source.html
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--- a/docs/html/IndexFlat_8h_source.html
+++ b/docs/html/IndexFlat_8h_source.html
@@ -238,21 +238,22 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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-<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div>
-<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structfaiss_1_1IndexFlat1D.html#a65736f2900865cd156faba4fcd260d05">search</a> (</div>
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-<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;</div>
+<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="comment"></span></div>
+<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="comment">    /// Warn: the distances returned are L1 not L2</span></div>
+<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="comment"></span>    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structfaiss_1_1IndexFlat1D.html#a65736f2900865cd156faba4fcd260d05">search</a> (</div>
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+<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;            <span class="keywordtype">float</span> *distances,</div>
+<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;            <a class="code" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *labels) <span class="keyword">const override</span>;</div>
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-<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;};</div>
-<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;</div>
+<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;</div>
+<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;};</div>
 <div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div>
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-<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="preprocessor">#endif</span></div>
+<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;</div>
+<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;}</div>
+<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;</div>
+<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="preprocessor">#endif</span></div>
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@@ -275,7 +276,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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-<div class="ttc" id="structfaiss_1_1IndexFlat1D_html_a65736f2900865cd156faba4fcd260d05"><div class="ttname"><a href="structfaiss_1_1IndexFlat1D.html#a65736f2900865cd156faba4fcd260d05">faiss::IndexFlat1D::search</a></div><div class="ttdeci">virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const override</div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8cpp_source.html#l00306">IndexFlat.cpp:306</a></div></div>
+<div class="ttc" id="structfaiss_1_1IndexFlat1D_html_a65736f2900865cd156faba4fcd260d05"><div class="ttname"><a href="structfaiss_1_1IndexFlat1D.html#a65736f2900865cd156faba4fcd260d05">faiss::IndexFlat1D::search</a></div><div class="ttdeci">virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const override</div><div class="ttdoc">Warn: the distances returned are L1 not L2. </div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8cpp_source.html#l00306">IndexFlat.cpp:306</a></div></div>
 <div class="ttc" id="structfaiss_1_1RangeSearchResult_html"><div class="ttname"><a href="structfaiss_1_1RangeSearchResult.html">faiss::RangeSearchResult</a></div><div class="ttdef"><b>Definition:</b> <a href="AuxIndexStructures_8h_source.html#l00035">AuxIndexStructures.h:35</a></div></div>
 <div class="ttc" id="structfaiss_1_1IndexFlat_html_a14b51786e7f98be1954eef35d02813a7"><div class="ttname"><a href="structfaiss_1_1IndexFlat.html#a14b51786e7f98be1954eef35d02813a7">faiss::IndexFlat::compute_distance_subset</a></div><div class="ttdeci">void compute_distance_subset(idx_t n, const float *x, idx_t k, float *distances, const idx_t *labels) const </div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8cpp_source.html#l00085">IndexFlat.cpp:85</a></div></div>
 <div class="ttc" id="structfaiss_1_1IndexFlatL2BaseShift_html"><div class="ttname"><a href="structfaiss_1_1IndexFlatL2BaseShift.html">faiss::IndexFlatL2BaseShift</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8h_source.html#l00088">IndexFlat.h:88</a></div></div>

--- a/docs/html/IndexIVFPQ_8cpp_source.html
+++ b/docs/html/IndexIVFPQ_8cpp_source.html
--- a/docs/html/IndexIVF_8cpp_source.html
+++ b/docs/html/IndexIVF_8cpp_source.html
@@ -603,7 +603,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="ttc" id="structfaiss_1_1IndexIVF_html"><div class="ttname"><a href="structfaiss_1_1IndexIVF.html">faiss::IndexIVF</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexIVF_8h_source.html#l00046">IndexIVF.h:46</a></div></div>
 <div class="ttc" id="structfaiss_1_1ClusteringParameters_html_a5c7c6f05c75e1668befdb3be148fd5f9"><div class="ttname"><a href="structfaiss_1_1ClusteringParameters.html#a5c7c6f05c75e1668befdb3be148fd5f9">faiss::ClusteringParameters::niter</a></div><div class="ttdeci">int niter</div><div class="ttdoc">clustering iterations </div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00026">Clustering.h:26</a></div></div>
 <div class="ttc" id="structfaiss_1_1RangeSearchPartialResult_1_1QueryResult_html"><div class="ttname"><a href="structfaiss_1_1RangeSearchPartialResult_1_1QueryResult.html">faiss::RangeSearchPartialResult::QueryResult</a></div><div class="ttdoc">result structure for a single query </div><div class="ttdef"><b>Definition:</b> <a href="AuxIndexStructures_8h_source.html#l00157">AuxIndexStructures.h:157</a></div></div>
-<div class="ttc" id="namespacefaiss_html_a7466bd32de31640860393a701eaac5ad"><div class="ttname"><a href="namespacefaiss.html#a7466bd32de31640860393a701eaac5ad">faiss::fvec_L2sqr</a></div><div class="ttdeci">float fvec_L2sqr(const float *x, const float *y, size_t d)</div><div class="ttdoc">Squared L2 distance between two vectors. </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00431">utils.cpp:431</a></div></div>
+<div class="ttc" id="namespacefaiss_html_a7466bd32de31640860393a701eaac5ad"><div class="ttname"><a href="namespacefaiss.html#a7466bd32de31640860393a701eaac5ad">faiss::fvec_L2sqr</a></div><div class="ttdeci">float fvec_L2sqr(const float *x, const float *y, size_t d)</div><div class="ttdoc">Squared L2 distance between two vectors. </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00430">utils.cpp:430</a></div></div>
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 <div class="ttc" id="structfaiss_1_1IndexIVF_html_aeab84d4edf2cf9747c923e1a8395d9f3"><div class="ttname"><a href="structfaiss_1_1IndexIVF.html#aeab84d4edf2cf9747c923e1a8395d9f3">faiss::IndexIVF::imbalance_factor</a></div><div class="ttdeci">double imbalance_factor() const </div><div class="ttdoc">1= perfectly balanced, &amp;gt;1: imbalanced </div><div class="ttdef"><b>Definition:</b> <a href="IndexIVF_8cpp_source.html#l00134">IndexIVF.cpp:134</a></div></div>
@@ -619,7 +619,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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 <div class="ttc" id="structfaiss_1_1IndexIVF_html_a567ef760fd09d09ce2ee4f4e6c2d7280"><div class="ttname"><a href="structfaiss_1_1IndexIVF.html#a567ef760fd09d09ce2ee4f4e6c2d7280">faiss::IndexIVF::train_residual</a></div><div class="ttdeci">virtual void train_residual(idx_t n, const float *x)</div><div class="ttdef"><b>Definition:</b> <a href="IndexIVF_8cpp_source.html#l00125">IndexIVF.cpp:125</a></div></div>
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-<div class="ttc" id="namespacefaiss_html_af762526714e6138009c72aee98657538"><div class="ttname"><a href="namespacefaiss.html#af762526714e6138009c72aee98657538">faiss::imbalance_factor</a></div><div class="ttdeci">double imbalance_factor(int n, int k, const long *assign)</div><div class="ttdoc">a balanced assignment has a IF of 1 </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l01444">utils.cpp:1444</a></div></div>
+<div class="ttc" id="namespacefaiss_html_af762526714e6138009c72aee98657538"><div class="ttname"><a href="namespacefaiss.html#af762526714e6138009c72aee98657538">faiss::imbalance_factor</a></div><div class="ttdeci">double imbalance_factor(int n, int k, const long *assign)</div><div class="ttdoc">a balanced assignment has a IF of 1 </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l01445">utils.cpp:1445</a></div></div>
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 <div class="ttc" id="structfaiss_1_1IndexIVF_html_af16d325f5bef22b2e5f90ceea796e80d"><div class="ttname"><a href="structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d">faiss::IndexIVF::ids</a></div><div class="ttdeci">std::vector&lt; std::vector&lt; long &gt; &gt; ids</div><div class="ttdoc">Inverted lists for indexes. </div><div class="ttdef"><b>Definition:</b> <a href="IndexIVF_8h_source.html#l00056">IndexIVF.h:56</a></div></div>

--- a/docs/html/IndexLSH_8cpp_source.html
+++ b/docs/html/IndexLSH_8cpp_source.html
@@ -282,7 +282,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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 <div class="ttc" id="structfaiss_1_1HeapArray_html"><div class="ttname"><a href="structfaiss_1_1HeapArray.html">faiss::HeapArray</a></div><div class="ttdef"><b>Definition:</b> <a href="Heap_8h_source.html#l00351">Heap.h:351</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a040c6aed1f224f3ea7bf58eebc0c31a4"><div class="ttname"><a href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a></div><div class="ttdeci">long idx_t</div><div class="ttdoc">all indices are this type </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00064">Index.h:64</a></div></div>
-<div class="ttc" id="namespacefaiss_html_ac0b4dc73a8470d61f510396dc460ca18"><div class="ttname"><a href="namespacefaiss.html#ac0b4dc73a8470d61f510396dc460ca18">faiss::hammings_knn</a></div><div class="ttdeci">void hammings_knn(int_maxheap_array_t *ha, const uint8_t *a, const uint8_t *b, size_t nb, size_t ncodes, int order)</div><div class="ttdef"><b>Definition:</b> <a href="hamming_8cpp_source.html#l00471">hamming.cpp:471</a></div></div>
+<div class="ttc" id="namespacefaiss_html_ac0b4dc73a8470d61f510396dc460ca18"><div class="ttname"><a href="namespacefaiss.html#ac0b4dc73a8470d61f510396dc460ca18">faiss::hammings_knn</a></div><div class="ttdeci">void hammings_knn(int_maxheap_array_t *ha, const uint8_t *a, const uint8_t *b, size_t nb, size_t ncodes, int order)</div><div class="ttdef"><b>Definition:</b> <a href="hamming_8cpp_source.html#l00475">hamming.cpp:475</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a6970683faa021b7a6f1a0865c0d4eccd"><div class="ttname"><a href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">faiss::Index::ntotal</a></div><div class="ttdeci">idx_t ntotal</div><div class="ttdoc">total nb of indexed vectors </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00067">Index.h:67</a></div></div>
 <div class="ttc" id="structfaiss_1_1IndexLSH_html_aba7791311191bb168b79f8f59dd459ab"><div class="ttname"><a href="structfaiss_1_1IndexLSH.html#aba7791311191bb168b79f8f59dd459ab">faiss::IndexLSH::reset</a></div><div class="ttdeci">virtual void reset() override</div><div class="ttdoc">removes all elements from the database. </div><div class="ttdef"><b>Definition:</b> <a href="IndexLSH_8cpp_source.html#l00182">IndexLSH.cpp:182</a></div></div>
 <div class="ttc" id="structfaiss_1_1IndexLSH_html_a76de2c3212c72fd48136d84283a6e0a8"><div class="ttname"><a href="structfaiss_1_1IndexLSH.html#a76de2c3212c72fd48136d84283a6e0a8">faiss::IndexLSH::add</a></div><div class="ttdeci">virtual void add(idx_t n, const float *x) override</div><div class="ttdef"><b>Definition:</b> <a href="IndexLSH_8cpp_source.html#l00124">IndexLSH.cpp:124</a></div></div>

--- a/docs/html/IndexPQ_8cpp_source.html
+++ b/docs/html/IndexPQ_8cpp_source.html
@@ -986,7 +986,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="ttc" id="structfaiss_1_1SemiSortedArray_html"><div class="ttname"><a href="structfaiss_1_1SemiSortedArray.html">faiss::SemiSortedArray</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexPQ_8cpp_source.html#l00559">IndexPQ.cpp:559</a></div></div>
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_a3521b9a36c28219fd6180cc7a9ce8207"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#a3521b9a36c28219fd6180cc7a9ce8207">faiss::ProductQuantizer::compute_distance_tables</a></div><div class="ttdeci">void compute_distance_tables(size_t nx, const float *x, float *dis_tables) const </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8cpp_source.html#l00439">ProductQuantizer.cpp:439</a></div></div>
 <div class="ttc" id="structfaiss_1_1SortedArray_html"><div class="ttname"><a href="structfaiss_1_1SortedArray.html">faiss::SortedArray</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexPQ_8cpp_source.html#l00488">IndexPQ.cpp:488</a></div></div>
-<div class="ttc" id="namespacefaiss_html_ae81da42f6f40356f7525917b3acb54c8"><div class="ttname"><a href="namespacefaiss.html#ae81da42f6f40356f7525917b3acb54c8">faiss::generalized_hammings_knn</a></div><div class="ttdeci">void generalized_hammings_knn(int_maxheap_array_t *ha, const uint8_t *a, const uint8_t *b, size_t nb, size_t code_size, int ordered)</div><div class="ttdef"><b>Definition:</b> <a href="hamming_8cpp_source.html#l00626">hamming.cpp:626</a></div></div>
+<div class="ttc" id="namespacefaiss_html_ae81da42f6f40356f7525917b3acb54c8"><div class="ttname"><a href="namespacefaiss.html#ae81da42f6f40356f7525917b3acb54c8">faiss::generalized_hammings_knn</a></div><div class="ttdeci">void generalized_hammings_knn(int_maxheap_array_t *ha, const uint8_t *a, const uint8_t *b, size_t nb, size_t code_size, int ordered)</div><div class="ttdef"><b>Definition:</b> <a href="hamming_8cpp_source.html#l00635">hamming.cpp:635</a></div></div>
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_a95060fedd7c09eb20e968fd2fdb4b316"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#a95060fedd7c09eb20e968fd2fdb4b316">faiss::ProductQuantizer::compute_code_from_distance_table</a></div><div class="ttdeci">void compute_code_from_distance_table(const float *tab, uint8_t *code) const </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8cpp_source.html#l00363">ProductQuantizer.cpp:363</a></div></div>
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_ae5a340ee5a4b1d35a565b167de2a2ef1"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#ae5a340ee5a4b1d35a565b167de2a2ef1">faiss::ProductQuantizer::compute_codes</a></div><div class="ttdeci">void compute_codes(const float *x, uint8_t *codes, size_t n) const </div><div class="ttdoc">same as compute_code for several vectors </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8cpp_source.html#l00385">ProductQuantizer.cpp:385</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a2a002388d2c081c2dbab8508dcefe73d"><div class="ttname"><a href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">faiss::Index::d</a></div><div class="ttdeci">int d</div><div class="ttdoc">vector dimension </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00066">Index.h:66</a></div></div>
@@ -1000,7 +1000,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_a66be226806ca2abcaaf1653cdc690aa6"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#a66be226806ca2abcaaf1653cdc690aa6">faiss::ProductQuantizer::search_ip</a></div><div class="ttdeci">void search_ip(const float *x, size_t nx, const uint8_t *codes, const size_t ncodes, float_minheap_array_t *res, bool init_finalize_heap=true) const </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8cpp_source.html#l00564">ProductQuantizer.cpp:564</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a040c6aed1f224f3ea7bf58eebc0c31a4"><div class="ttname"><a href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a></div><div class="ttdeci">long idx_t</div><div class="ttdoc">all indices are this type </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00064">Index.h:64</a></div></div>
 <div class="ttc" id="structfaiss_1_1MultiIndexQuantizer_html_ac7943184d37e953cb0c1ab589202afa8"><div class="ttname"><a href="structfaiss_1_1MultiIndexQuantizer.html#ac7943184d37e953cb0c1ab589202afa8">faiss::MultiIndexQuantizer::train</a></div><div class="ttdeci">virtual void train(idx_t n, const float *x)</div><div class="ttdef"><b>Definition:</b> <a href="IndexPQ_8cpp_source.html#l00814">IndexPQ.cpp:814</a></div></div>
-<div class="ttc" id="namespacefaiss_html_ac0b4dc73a8470d61f510396dc460ca18"><div class="ttname"><a href="namespacefaiss.html#ac0b4dc73a8470d61f510396dc460ca18">faiss::hammings_knn</a></div><div class="ttdeci">void hammings_knn(int_maxheap_array_t *ha, const uint8_t *a, const uint8_t *b, size_t nb, size_t ncodes, int order)</div><div class="ttdef"><b>Definition:</b> <a href="hamming_8cpp_source.html#l00471">hamming.cpp:471</a></div></div>
+<div class="ttc" id="namespacefaiss_html_ac0b4dc73a8470d61f510396dc460ca18"><div class="ttname"><a href="namespacefaiss.html#ac0b4dc73a8470d61f510396dc460ca18">faiss::hammings_knn</a></div><div class="ttdeci">void hammings_knn(int_maxheap_array_t *ha, const uint8_t *a, const uint8_t *b, size_t nb, size_t ncodes, int order)</div><div class="ttdef"><b>Definition:</b> <a href="hamming_8cpp_source.html#l00475">hamming.cpp:475</a></div></div>
 <div class="ttc" id="structfaiss_1_1MultiIndexQuantizer_html_ad2d45625186b2daf6044f9266e6c1b93"><div class="ttname"><a href="structfaiss_1_1MultiIndexQuantizer.html#ad2d45625186b2daf6044f9266e6c1b93">faiss::MultiIndexQuantizer::add</a></div><div class="ttdeci">virtual void add(idx_t n, const float *x)</div><div class="ttdoc">add and reset will crash at runtime </div><div class="ttdef"><b>Definition:</b> <a href="IndexPQ_8cpp_source.html#l00872">IndexPQ.cpp:872</a></div></div>
 <div class="ttc" id="structfaiss_1_1IndexPQ_html_aa7b7cfe0c8dfd37c8a940fd93d12dc88"><div class="ttname"><a href="structfaiss_1_1IndexPQ.html#aa7b7cfe0c8dfd37c8a940fd93d12dc88">faiss::IndexPQ::pq</a></div><div class="ttdeci">ProductQuantizer pq</div><div class="ttdoc">The product quantizer used to encode the vectors. </div><div class="ttdef"><b>Definition:</b> <a href="IndexPQ_8h_source.html#l00032">IndexPQ.h:32</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a6970683faa021b7a6f1a0865c0d4eccd"><div class="ttname"><a href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">faiss::Index::ntotal</a></div><div class="ttdeci">idx_t ntotal</div><div class="ttdoc">total nb of indexed vectors </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00067">Index.h:67</a></div></div>

--- a/docs/html/IndexProxy_8cpp_source.html
+++ b/docs/html/IndexProxy_8cpp_source.html
@@ -308,7 +308,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;</div>
 <div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;</div>
 <div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;} } <span class="comment">// namespace</span></div>
-<div class="ttc" id="structfaiss_1_1IndexShards_html_a36fbcc85eed9bf2ea15587f04be9ae0b"><div class="ttname"><a href="structfaiss_1_1IndexShards.html#a36fbcc85eed9bf2ea15587f04be9ae0b">faiss::IndexShards::train</a></div><div class="ttdeci">virtual void train(idx_t n, const float *x) override</div><div class="ttdef"><b>Definition:</b> <a href="MetaIndexes_8cpp_source.html#l00276">MetaIndexes.cpp:276</a></div></div>
+<div class="ttc" id="structfaiss_1_1IndexShards_html_a36fbcc85eed9bf2ea15587f04be9ae0b"><div class="ttname"><a href="structfaiss_1_1IndexShards.html#a36fbcc85eed9bf2ea15587f04be9ae0b">faiss::IndexShards::train</a></div><div class="ttdeci">virtual void train(idx_t n, const float *x) override</div><div class="ttdef"><b>Definition:</b> <a href="MetaIndexes_8cpp_source.html#l00310">MetaIndexes.cpp:310</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1IndexProxy_html_a99aaeb0573880fa4d6efaeb39f93deeb"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IndexProxy.html#a99aaeb0573880fa4d6efaeb39f93deeb">faiss::gpu::IndexProxy::removeIndex</a></div><div class="ttdeci">void removeIndex(faiss::Index *index)</div><div class="ttdef"><b>Definition:</b> <a href="IndexProxy_8cpp_source.html#l00068">IndexProxy.cpp:68</a></div></div>
 <div class="ttc" id="classfaiss_1_1gpu_1_1IndexProxy_html_a4efa3134256a6cd6a98c45184a7e8dbf"><div class="ttname"><a href="classfaiss_1_1gpu_1_1IndexProxy.html#a4efa3134256a6cd6a98c45184a7e8dbf">faiss::gpu::IndexProxy::runOnIndex</a></div><div class="ttdeci">void runOnIndex(std::function&lt; void(faiss::Index *)&gt; f)</div><div class="ttdef"><b>Definition:</b> <a href="IndexProxy_8cpp_source.html#l00086">IndexProxy.cpp:86</a></div></div>
 <div class="ttc" id="structfaiss_1_1Index_html_a849361f5f0ab0aba8d419c86f2594191"><div class="ttname"><a href="structfaiss_1_1Index.html#a849361f5f0ab0aba8d419c86f2594191">faiss::Index::reset</a></div><div class="ttdeci">virtual void reset()=0</div><div class="ttdoc">removes all elements from the database. </div></div>

--- a/docs/html/MetaIndexes_8cpp_source.html
+++ b/docs/html/MetaIndexes_8cpp_source.html
--- a/docs/html/MetaIndexes_8h_source.html
+++ b/docs/html/MetaIndexes_8h_source.html
--- a/docs/html/PQCodeDistances_8cu_source.html
+++ b/docs/html/PQCodeDistances_8cu_source.html
@@ -574,7 +574,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;      CODE_DISTANCE(10);</div>
 <div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;      <span class="keywordflow">break</span>;</div>
 <div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    <span class="keywordflow">case</span> 12:</div>
-<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;      CODE_DISTANCE(10);</div>
+<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;      CODE_DISTANCE(12);</div>
 <div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;      <span class="keywordflow">break</span>;</div>
 <div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;    <span class="keywordflow">case</span> 16:</div>
 <div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;      CODE_DISTANCE(16);</div>

--- a/docs/html/PQCodeLoad_8cuh_source.html
+++ b/docs/html/PQCodeLoad_8cuh_source.html
--- a/docs/html/PQScanMultiPassNoPrecomputed_8cu_source.html
+++ b/docs/html/PQScanMultiPassNoPrecomputed_8cu_source.html
--- a/docs/html/PQScanMultiPassPrecomputed_8cu_source.html
+++ b/docs/html/PQScanMultiPassPrecomputed_8cu_source.html
--- a/docs/html/PolysemousTraining_8cpp_source.html
+++ b/docs/html/PolysemousTraining_8cpp_source.html
@@ -1047,7 +1047,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;} <span class="comment">// namespace faiss</span></div>
 <div class="ttc" id="structfaiss_1_1RandomGenerator_html"><div class="ttname"><a href="structfaiss_1_1RandomGenerator.html">faiss::RandomGenerator</a></div><div class="ttdoc">random generator that can be used in multithreaded contexts </div><div class="ttdef"><b>Definition:</b> <a href="utils_8h_source.html#l00049">utils.h:49</a></div></div>
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_ac920fea11f02e8407d12cc99a09f5ea5"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#ac920fea11f02e8407d12cc99a09f5ea5">faiss::ProductQuantizer::nbits</a></div><div class="ttdeci">size_t nbits</div><div class="ttdoc">number of bits per quantization index </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8h_source.html#l00030">ProductQuantizer.h:30</a></div></div>
-<div class="ttc" id="namespacefaiss_html_a7466bd32de31640860393a701eaac5ad"><div class="ttname"><a href="namespacefaiss.html#a7466bd32de31640860393a701eaac5ad">faiss::fvec_L2sqr</a></div><div class="ttdeci">float fvec_L2sqr(const float *x, const float *y, size_t d)</div><div class="ttdoc">Squared L2 distance between two vectors. </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00431">utils.cpp:431</a></div></div>
+<div class="ttc" id="namespacefaiss_html_a7466bd32de31640860393a701eaac5ad"><div class="ttname"><a href="namespacefaiss.html#a7466bd32de31640860393a701eaac5ad">faiss::fvec_L2sqr</a></div><div class="ttdeci">float fvec_L2sqr(const float *x, const float *y, size_t d)</div><div class="ttdoc">Squared L2 distance between two vectors. </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00430">utils.cpp:430</a></div></div>
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_a13bf69a0dc7b4e45792d10f458e4a92d"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#a13bf69a0dc7b4e45792d10f458e4a92d">faiss::ProductQuantizer::byte_per_idx</a></div><div class="ttdeci">size_t byte_per_idx</div><div class="ttdoc">nb bytes per code component (1 or 2) </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8h_source.html#l00034">ProductQuantizer.h:34</a></div></div>
 <div class="ttc" id="structfaiss_1_1Score3Computer_html_a567feac7ddd3bb467a9ed30671caccb1"><div class="ttname"><a href="structfaiss_1_1Score3Computer.html#a567feac7ddd3bb467a9ed30671caccb1">faiss::Score3Computer::compute_update</a></div><div class="ttdeci">Taccu compute_update(const int *perm, int iw, int jw) const </div><div class="ttdef"><b>Definition:</b> <a href="PolysemousTraining_8cpp_source.html#l00495">PolysemousTraining.cpp:495</a></div></div>
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_a6bd65fb4407452f73acb7242931d09e4"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#a6bd65fb4407452f73acb7242931d09e4">faiss::ProductQuantizer::sdc_table</a></div><div class="ttdeci">std::vector&lt; float &gt; sdc_table</div><div class="ttdoc">Symmetric Distance Table. </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8h_source.html#l00156">ProductQuantizer.h:156</a></div></div>
@@ -1063,9 +1063,9 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="ttc" id="structfaiss_1_1RandomGenerator_html_a583f124ecacdbe037ac96e23a44dd420"><div class="ttname"><a href="structfaiss_1_1RandomGenerator.html#a583f124ecacdbe037ac96e23a44dd420">faiss::RandomGenerator::rand_int</a></div><div class="ttdeci">int rand_int()</div><div class="ttdoc">random 31-bit positive integer </div></div>
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_a0feee45e4151547b7a0444c14bad398f"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#a0feee45e4151547b7a0444c14bad398f">faiss::ProductQuantizer::ksub</a></div><div class="ttdeci">size_t ksub</div><div class="ttdoc">number of centroids for each subquantizer </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8h_source.html#l00036">ProductQuantizer.h:36</a></div></div>
 <div class="ttc" id="structfaiss_1_1PolysemousTraining_html_a0ac61389b6fcc7f98e998d9d0cc2664a"><div class="ttname"><a href="structfaiss_1_1PolysemousTraining.html#a0ac61389b6fcc7f98e998d9d0cc2664a">faiss::PolysemousTraining::optimize_ranking</a></div><div class="ttdeci">void optimize_ranking(ProductQuantizer &amp;pq, size_t n, const float *x) const </div><div class="ttdoc">called by optimize_pq_for_hamming </div><div class="ttdef"><b>Definition:</b> <a href="PolysemousTraining_8cpp_source.html#l00839">PolysemousTraining.cpp:839</a></div></div>
-<div class="ttc" id="namespacefaiss_html_a3d9c7db82d43c1f0ab1d28b92bc9fe57"><div class="ttname"><a href="namespacefaiss.html#a3d9c7db82d43c1f0ab1d28b92bc9fe57">faiss::pairwise_L2sqr</a></div><div class="ttdeci">void pairwise_L2sqr(long d, long nq, const float *xq, long nb, const float *xb, float *dis, long ldq, long ldb, long ldd)</div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l01229">utils.cpp:1229</a></div></div>
+<div class="ttc" id="namespacefaiss_html_a3d9c7db82d43c1f0ab1d28b92bc9fe57"><div class="ttname"><a href="namespacefaiss.html#a3d9c7db82d43c1f0ab1d28b92bc9fe57">faiss::pairwise_L2sqr</a></div><div class="ttdeci">void pairwise_L2sqr(long d, long nq, const float *xq, long nb, const float *xb, float *dis, long ldq, long ldb, long ldd)</div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l01228">utils.cpp:1228</a></div></div>
 <div class="ttc" id="structfaiss_1_1Score3Computer_html"><div class="ttname"><a href="structfaiss_1_1Score3Computer.html">faiss::Score3Computer</a></div><div class="ttdef"><b>Definition:</b> <a href="PolysemousTraining_8cpp_source.html#l00452">PolysemousTraining.cpp:452</a></div></div>
-<div class="ttc" id="namespacefaiss_html_af2a71f7d5402ae02ce169a4cc83020eb"><div class="ttname"><a href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">faiss::getmillisecs</a></div><div class="ttdeci">double getmillisecs()</div><div class="ttdoc">ms elapsed since some arbitrary epoch </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00072">utils.cpp:72</a></div></div>
+<div class="ttc" id="namespacefaiss_html_af2a71f7d5402ae02ce169a4cc83020eb"><div class="ttname"><a href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">faiss::getmillisecs</a></div><div class="ttdeci">double getmillisecs()</div><div class="ttdoc">ms elapsed since some arbitrary epoch </div><div class="ttdef"><b>Definition:</b> <a href="utils_8cpp_source.html#l00071">utils.cpp:71</a></div></div>
 <div class="ttc" id="structfaiss_1_1ReproduceDistancesObjective_html_a982332b44ff32b9ae9694e374acd0aff"><div class="ttname"><a href="structfaiss_1_1ReproduceDistancesObjective.html#a982332b44ff32b9ae9694e374acd0aff">faiss::ReproduceDistancesObjective::weights</a></div><div class="ttdeci">std::vector&lt; double &gt; weights</div><div class="ttdoc">weights for each distance (size n^2) </div><div class="ttdef"><b>Definition:</b> <a href="PolysemousTraining_8h_source.html#l00071">PolysemousTraining.h:71</a></div></div>
 <div class="ttc" id="structfaiss_1_1RankingScore2_html_a16c753a4136b3c851ea81133a26a02da"><div class="ttname"><a href="structfaiss_1_1RankingScore2.html#a16c753a4136b3c851ea81133a26a02da">faiss::RankingScore2::accum_gt_weight_diff</a></div><div class="ttdeci">double accum_gt_weight_diff(const std::vector&lt; int &gt; &amp;a, const std::vector&lt; int &gt; &amp;b)</div><div class="ttdef"><b>Definition:</b> <a href="PolysemousTraining_8cpp_source.html#l00695">PolysemousTraining.cpp:695</a></div></div>
 <div class="ttc" id="structfaiss_1_1SimulatedAnnealingParameters_html"><div class="ttname"><a href="structfaiss_1_1SimulatedAnnealingParameters.html">faiss::SimulatedAnnealingParameters</a></div><div class="ttdoc">parameters used for the simulated annealing method </div><div class="ttdef"><b>Definition:</b> <a href="PolysemousTraining_8h_source.html#l00026">PolysemousTraining.h:26</a></div></div>

--- a/docs/html/ProductQuantizer_8cpp_source.html
+++ b/docs/html/ProductQuantizer_8cpp_source.html
@@ -767,7 +767,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <div class="ttc" id="structfaiss_1_1ProductQuantizer_html_a0feee45e4151547b7a0444c14bad398f"><div class="ttname"><a href="structfaiss_1_1ProductQuantizer.html#a0feee45e4151547b7a0444c14bad398f">faiss::ProductQuantizer::ksub</a></div><div class="ttdeci">size_t ksub</div><div class="ttdoc">number of centroids for each subquantizer </div><div class="ttdef"><b>Definition:</b> <a href="ProductQuantizer_8h_source.html#l00036">ProductQuantizer.h:36</a></div></div>
 <div class="ttc" id="structfaiss_1_1HeapArray_html"><div class="ttname"><a href="structfaiss_1_1HeapArray.html">faiss::HeapArray</a></div><div class="ttdef"><b>Definition:</b> <a href="Heap_8h_source.html#l00351">Heap.h:351</a></div></div>
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