mirror of https://github.com/milvus-io/milvus.git
remove Nvidia owned files from faiss (#1136)
* #1135 remove Nvidia owned files from faiss
* Revert "#1135 remove Nvidia owned files from faiss"
This reverts commit 3bc007c28c.
* #1135 remove Nvidia API implementation
* #1135 remove Nvidia owned files from faiss
pull/1163/head
Cai Yudong
GitHub
parent
c11f3e2922
commit
8f7060a945
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@ -7,7 +7,8 @@
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#include <faiss/gpu/utils/Float16.cuh>
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#include <faiss/gpu/utils/nvidia/fp16_emu.cuh>
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//#include <faiss/gpu/utils/nvidia/fp16_emu.cuh>
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#include <faiss/impl/FaissAssert.h>
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#include <thrust/execution_policy.h>
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#include <thrust/transform.h>
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@ -23,11 +24,13 @@ bool getDeviceSupportsFloat16Math(int device) {
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__half hostFloat2Half(float a) {
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#if CUDA_VERSION >= 9000
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__half_raw raw;
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raw.x = cpu_float2half_rn(a).x;
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//raw.x = cpu_float2half_rn(a).x;
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FAISS_ASSERT_FMT(false, "%s", "cpu_float2half_rn() not support");
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return __half(raw);
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#else
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__half h;
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h.x = cpu_float2half_rn(a).x;
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//h.x = cpu_float2half_rn(a).x;
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FAISS_ASSERT_FMT(false, "%s", "cpu_float2half_rn() not support");
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return h;
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#endif
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}
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@ -1,165 +0,0 @@
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/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// from Nvidia cuDNN library samples; modified to compile within faiss
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#include <faiss/gpu/utils/nvidia/fp16_emu.cuh>
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namespace faiss { namespace gpu {
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/*
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* Copyright 1993-2014 NVIDIA Corporation. All rights reserved.
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*
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* NOTICE TO LICENSEE:
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*
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* This source code and/or documentation ("Licensed Deliverables") are
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* subject to NVIDIA intellectual property rights under U.S. and
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* international Copyright laws.
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*
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* These Licensed Deliverables contained herein is PROPRIETARY and
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* CONFIDENTIAL to NVIDIA and is being provided under the terms and
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* conditions of a form of NVIDIA software license agreement by and
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* between NVIDIA and Licensee ("License Agreement") or electronically
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* accepted by Licensee. Notwithstanding any terms or conditions to
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* the contrary in the License Agreement, reproduction or disclosure
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* of the Licensed Deliverables to any third party without the express
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* written consent of NVIDIA is prohibited.
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*
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* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
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* LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE
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* SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE. IT IS
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* PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.
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* NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED
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* DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
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* NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
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* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
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* LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY
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* SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY
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* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THESE LICENSED DELIVERABLES.
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*
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* U.S. Government End Users. These Licensed Deliverables are a
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* "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT
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* 1995), consisting of "commercial computer software" and "commercial
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* computer software documentation" as such terms are used in 48
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* C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government
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* only as a commercial end item. Consistent with 48 C.F.R.12.212 and
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* 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all
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* U.S. Government End Users acquire the Licensed Deliverables with
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* only those rights set forth herein.
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*
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* Any use of the Licensed Deliverables in individual and commercial
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* software must include, in the user documentation and internal
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* comments to the code, the above Disclaimer and U.S. Government End
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* Users Notice.
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*/
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// Host functions for converting between FP32 and FP16 formats
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// Paulius Micikevicius (pauliusm@nvidia.com)
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half1 cpu_float2half_rn(float f)
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{
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half1 ret;
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union {
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float f;
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unsigned u;
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} un;
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un.f = f;
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unsigned x = un.u;
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unsigned u = (x & 0x7fffffff), remainder, shift, lsb, lsb_s1, lsb_m1;
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unsigned sign, exponent, mantissa;
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// Get rid of +NaN/-NaN case first.
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if (u > 0x7f800000) {
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ret.x = 0x7fffU;
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return ret;
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}
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sign = ((x >> 16) & 0x8000);
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// Get rid of +Inf/-Inf, +0/-0.
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if (u > 0x477fefff) {
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ret.x = sign | 0x7c00U;
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return ret;
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}
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if (u < 0x33000001) {
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ret.x = (sign | 0x0000);
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return ret;
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}
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exponent = ((u >> 23) & 0xff);
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mantissa = (u & 0x7fffff);
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if (exponent > 0x70) {
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shift = 13;
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exponent -= 0x70;
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} else {
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shift = 0x7e - exponent;
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exponent = 0;
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mantissa |= 0x800000;
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}
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lsb = (1 << shift);
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lsb_s1 = (lsb >> 1);
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lsb_m1 = (lsb - 1);
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// Round to nearest even.
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remainder = (mantissa & lsb_m1);
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mantissa >>= shift;
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if (remainder > lsb_s1 || (remainder == lsb_s1 && (mantissa & 0x1))) {
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++mantissa;
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if (!(mantissa & 0x3ff)) {
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++exponent;
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mantissa = 0;
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}
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}
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ret.x = (sign | (exponent << 10) | mantissa);
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return ret;
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}
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float cpu_half2float(half1 h)
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{
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unsigned sign = ((h.x >> 15) & 1);
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unsigned exponent = ((h.x >> 10) & 0x1f);
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unsigned mantissa = ((h.x & 0x3ff) << 13);
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if (exponent == 0x1f) { /* NaN or Inf */
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mantissa = (mantissa ? (sign = 0, 0x7fffff) : 0);
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exponent = 0xff;
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} else if (!exponent) { /* Denorm or Zero */
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if (mantissa) {
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unsigned int msb;
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exponent = 0x71;
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do {
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msb = (mantissa & 0x400000);
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mantissa <<= 1; /* normalize */
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--exponent;
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} while (!msb);
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mantissa &= 0x7fffff; /* 1.mantissa is implicit */
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}
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} else {
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exponent += 0x70;
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}
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union {
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int i;
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float f;
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} un;
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un.i = ((sign << 31) | (exponent << 23) | mantissa);
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return un.f;
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}
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} } // namespace
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@ -1,118 +0,0 @@
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/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// from Nvidia cuDNN library samples; modified to compile within faiss
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#pragma once
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namespace faiss { namespace gpu {
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/*
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* Copyright 1993-2014 NVIDIA Corporation. All rights reserved.
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*
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* NOTICE TO LICENSEE:
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*
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* This source code and/or documentation ("Licensed Deliverables") are
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* subject to NVIDIA intellectual property rights under U.S. and
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* international Copyright laws.
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*
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* These Licensed Deliverables contained herein is PROPRIETARY and
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* CONFIDENTIAL to NVIDIA and is being provided under the terms and
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* conditions of a form of NVIDIA software license agreement by and
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* between NVIDIA and Licensee ("License Agreement") or electronically
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* accepted by Licensee. Notwithstanding any terms or conditions to
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* the contrary in the License Agreement, reproduction or disclosure
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* of the Licensed Deliverables to any third party without the express
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* written consent of NVIDIA is prohibited.
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*
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* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
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* LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE
|
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* SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE. IT IS
|
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* PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.
|
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* NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED
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* DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
|
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* NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
|
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* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
|
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* LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY
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* SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY
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* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THESE LICENSED DELIVERABLES.
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*
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* U.S. Government End Users. These Licensed Deliverables are a
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* "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT
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* 1995), consisting of "commercial computer software" and "commercial
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* computer software documentation" as such terms are used in 48
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* C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government
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* only as a commercial end item. Consistent with 48 C.F.R.12.212 and
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* 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all
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* U.S. Government End Users acquire the Licensed Deliverables with
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* only those rights set forth herein.
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*
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* Any use of the Licensed Deliverables in individual and commercial
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* software must include, in the user documentation and internal
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* comments to the code, the above Disclaimer and U.S. Government End
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* Users Notice.
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*/
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// Conversion from/to 16-bit floating point (half-precision).
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#define HLF_EPSILON 4.887581E-04
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typedef struct __align__(2) {
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unsigned short x;
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} half1;
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half1 cpu_float2half_rn(float f);
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float cpu_half2float(half1 h);
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static __inline__ __device__ __host__ half1 habs(half1 h)
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{
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h.x &= 0x7fffU;
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return h;
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}
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static __inline__ __device__ __host__ half1 hneg(half1 h)
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{
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h.x ^= 0x8000U;
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return h;
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}
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static __inline__ __device__ __host__ int ishnan(half1 h)
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{
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// When input is NaN, exponent is all ones and mantissa is non-zero.
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return (h.x & 0x7c00U) == 0x7c00U && (h.x & 0x03ffU) != 0;
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}
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static __inline__ __device__ __host__ int ishinf(half1 h)
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{
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// When input is +/- inf, exponent is all ones and mantissa is zero.
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return (h.x & 0x7c00U) == 0x7c00U && (h.x & 0x03ffU) == 0;
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}
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static __inline__ __device__ __host__ int ishequ(half1 x, half1 y)
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{
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return ishnan(x) == 0 && ishnan(y) == 0 && x.x == y.x;
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}
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static __inline__ __device__ __host__ half1 hzero()
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{
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half1 ret;
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ret.x = 0x0000U;
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return ret;
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}
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static __inline__ __device__ __host__ half1 hone()
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{
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half1 ret;
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ret.x = 0x3c00U;
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return ret;
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}
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} } // namespace
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