cutlass/test/unit/gemm/threadblock/epilogue_workspace.cu

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/*! \file
\brief Unit tests for thread-level GEMM
*/
#include "../../common/cutlass_unit_test.h"
#include "cutlass/epilogue/epilogue_workspace.h"
/////////////////////////////////////////////////////////////////////////////////////////////////
namespace test {
namespace gemm {
namespace threadblock {
/////////////////////////////////////////////////////////////////////////////////////////////////
/// Kernel computes accumulator data and stores it out
template <typename Epilogue>
__global__ void kernel_epilogue_workspace(typename Epilogue::Params params) {
__shared__ typename Epilogue::SharedStorage shared_storage;
int warp_id = threadIdx.y;
int lane_id = threadIdx.x;
Epilogue epilogue(params, shared_storage, warp_id, lane_id);
//
// Initialize accumulator tile
//
typename Epilogue::FragmentC accum;
CUTLASS_PRAGMA_UNROLL
for (int i = 0; i < Epilogue::FragmentC::kElements; ++i) {
accum[i] = Element(warp_id * blockDim.x + lane_id);
}
//
// Efficient epilogue
//
cutlass::GemmCoord tb_tile_coord{blockIdx.x, blockIdx.y, 0};
cutlass::GemmCoord problem_size =
tb_tile_coord *
cutlass::GemmCoord{Epilogue::Shape::kM, Epilogue::Shape::kN, 1};
// Store accumulators
epilogue(
problem_size,
tb_tile_coord,
accum);
}
/////////////////////////////////////////////////////////////////////////////////////////////////
} // namespace threadblock
} // namespace gemm
} // namespace test
/////////////////////////////////////////////////////////////////////////////////////////////////
TEST(SM75_gemm_threadblock_epilogue_workspace, tensor_op_128x128_64x64) {
//
// Define an instance of the epilogue and see if it works
//
static int const kWarpCount = 4;
static int const kWarpSize = 32;
using Shape = cutlass::MatrixShape<128, 128>;
using FragmentC = cutlass::Array<int, Shape::kCount / (kWarpCount * kWarpSize)>;
using Epilogue = cutlass::gemm::threadblock::EpilogueWorkspace<
Shape,
kWarpCount,
FragmentC
>;
typename Epilogue::Params params(
);
// Launch the kernel
dim3 grid(1,1);
dim3 block(kWarpSize, kWarpCount);
test::gemm::threadblock::kernel_epilogue_workspace<Epilogue><<< grid, block >>>(
params
);
cudaError_t result = cudaDeviceSynchronize();
EXPECT_EQ(result, cudaSuccess) << "Kernel launch error - " << cudaGetErrorString(result);
//
//
//
}
/////////////////////////////////////////////////////////////////////////////////////////////////