faiss/gpu/impl/VectorResidual.cuh
Lucas Hosseini 36ddba9196
Facebook sync (2019-09-10) (#943)
* Facebook sync (2019-09-10)

* Fix depends Makefile target.

* Add faiss symlink for new include directives.

* Fix missing header.

* Fix tests.

* Fix Makefile.

* Update depend.

* Fix include directives spacing.
2019-09-20 18:59:10 +02:00

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/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <faiss/gpu/utils/Tensor.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);
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);
// Gather vectors
void runReconstruct(Tensor<int, 1, true>& listIds,
Tensor<float, 2, true>& vecs,
Tensor<float, 2, true>& out,
cudaStream_t stream);
void runReconstruct(Tensor<int, 1, true>& listIds,
Tensor<half, 2, true>& vecs,
Tensor<float, 2, true>& out,
cudaStream_t stream);
} } // namespace