aboutsummaryrefslogtreecommitdiff
path: root/cutlass-example/cutlass/gemm/thread_multiply_add.h
diff options
context:
space:
mode:
Diffstat (limited to 'cutlass-example/cutlass/gemm/thread_multiply_add.h')
-rw-r--r--cutlass-example/cutlass/gemm/thread_multiply_add.h84
1 files changed, 0 insertions, 84 deletions
diff --git a/cutlass-example/cutlass/gemm/thread_multiply_add.h b/cutlass-example/cutlass/gemm/thread_multiply_add.h
deleted file mode 100644
index 20dca15..0000000
--- a/cutlass-example/cutlass/gemm/thread_multiply_add.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/***************************************************************************************************
- * Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are permitted
- * provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright notice, this list of
- * conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice, this list of
- * conditions and the following disclaimer in the documentation and/or other materials
- * provided with the distribution.
- * * Neither the name of the NVIDIA CORPORATION nor the names of its contributors may be used
- * to endorse or promote products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TOR (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- **************************************************************************************************/
-/*! \file
- \brief Template implementing matrix multiply-add operations on fragments.
-*/
-#pragma once
-
-#include <cutlass/fragment.h>
-
-namespace cutlass {
-namespace gemm {
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/// Template performing matrix multiply-add operation within a thread
-template <typename AccumulatorsPerThread_,
- typename ThreadsPerWarp_,
- typename ScalarA_,
- typename ScalarB_,
- typename ScalarC_>
-struct ThreadMultiplyAdd {
- /// The shape of the instruction.
- typedef Shape<1, 1, 1, 1> InstructionShape;
- /// The number of accumulators per thread.
- typedef AccumulatorsPerThread_ AccumulatorsPerThread;
- /// The number of threads per warp.
- typedef ThreadsPerWarp_ ThreadsPerWarp;
- /// The number of accumulators per warp.
- typedef typename ShapeMul<AccumulatorsPerThread, ThreadsPerWarp>::Shape AccumulatorsPerWarp;
- /// The type for A.
- typedef ScalarA_ ScalarA;
- /// The fragment for A.
- typedef Fragment<ScalarA, AccumulatorsPerThread::kW> FragmentA;
- /// The type for B.
- typedef ScalarB_ ScalarB;
- /// The fragment for B.
- typedef Fragment<ScalarB, AccumulatorsPerThread::kH> FragmentB;
- /// The type for C and D.
- typedef ScalarC_ ScalarC;
- /// The accumulators.
- typedef Fragment<ScalarC, AccumulatorsPerThread::kH * AccumulatorsPerThread::kW, 16> Accumulators;
-
- /// Ctor.
- CUTLASS_DEVICE ThreadMultiplyAdd() {}
-
- /// Multiply : d = a*b + c.
- CUTLASS_DEVICE void multiply_add(FragmentA const& a,
- FragmentB const& b,
- Accumulators const& c,
- Accumulators& d) {
- for (int j = 0; j < AccumulatorsPerThread::kH; ++j) {
- for (int i = 0; i < AccumulatorsPerThread::kW; ++i) {
- d[j * AccumulatorsPerThread::kW + i] = a[i] * b[j] + c[j * AccumulatorsPerThread::kW + i];
- }
- }
- }
-};
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-
-} // namespace gemm
-} // namespace cutlass