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VectorResidual.cuh
/**
* 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.
*/
// Copyright 2004-present Facebook. All Rights Reserved.
#pragma once
#include "../utils/Tensor.cuh"
#include "../utils/Float16.cuh"
namespace faiss { namespace gpu {
// Calculates residual v_i - c_j for all v_i in vecs where j = vecToCentroid[i]
void runCalcResidual(Tensor<float, 2, true>& vecs,
Tensor<float, 2, true>& centroids,
Tensor<int, 1, true>& vecToCentroid,
Tensor<float, 2, true>& residuals,
cudaStream_t stream);
#ifdef FAISS_USE_FLOAT16
void runCalcResidual(Tensor<float, 2, true>& vecs,
Tensor<half, 2, true>& centroids,
Tensor<int, 1, true>& vecToCentroid,
Tensor<float, 2, true>& residuals,
cudaStream_t stream);
#endif
} } // namespace