mirror of
https://github.com/ROCm/composable_kernel.git
synced 2026-06-29 19:28:33 +00:00
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
#include <cstring>
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#include "ck/utility/common_header.hpp"
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#include "ck/tensor_description/tensor_descriptor_helper.hpp"
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#include "ck/tensor_description/cluster_descriptor.hpp"
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#include "ck/tensor/tensor_view.hpp"
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#include "ck/host_utility/device_prop.hpp"
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#include "ck/host_utility/kernel_launch.hpp"
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#include "ck/library/utility/check_err.hpp"
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#include "ck/library/utility/device_memory.hpp"
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#include "ck/library/utility/fill.hpp"
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#include "ck/library/utility/host_tensor.hpp"
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#include "ck/library/utility/host_tensor_generator.hpp"
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#include "reference_softmax.hpp"
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#include "softmax.hpp"
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int main(int argc, char* argv[])
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{
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using ADataType = ck::half_t;
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using AccDataType = float;
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using BDataType = ck::half_t;
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ck::index_t M = 13312;
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ck::index_t N = 4096;
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if(argc == 3)
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{
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M = std::stoi(argv[1]);
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N = std::stoi(argv[2]);
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}
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std::array<ck::index_t, 2> a_lengths{M, N};
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std::array<ck::index_t, 2> a_strides{N, 1};
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std::array<ck::index_t, 2> b_lengths{M, N};
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std::array<ck::index_t, 2> b_strides{N, 1};
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// host verify
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Tensor<ADataType> a_host(a_lengths, a_strides);
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Tensor<BDataType> b_host_ref(b_lengths, b_strides);
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Tensor<BDataType> b_host_dev(b_lengths, b_strides);
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ck::utils::FillUniformDistributionIntegerValue<ADataType>{-5.f, 5.f}(a_host);
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// reference
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reference_softmax<ADataType, AccDataType, BDataType>(a_host, b_host_ref);
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DeviceMem a_buf(sizeof(ADataType) * a_host.GetElementSpaceSize());
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DeviceMem b_buf(sizeof(BDataType) * b_host_ref.GetElementSpaceSize());
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a_buf.ToDevice(a_host.mData.data());
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constexpr ck::index_t kMPerBlock = 128;
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constexpr ck::index_t kNPerBlock = 128;
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constexpr ck::index_t kBlockSize = 256;
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ck::index_t kGridSize = (M / kMPerBlock);
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std::cout << "grid size " << kGridSize << std::endl;
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const auto kernel =
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Softmax<ADataType, AccDataType, BDataType, kBlockSize, kMPerBlock, kNPerBlock>{};
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float ave_time = launch_kernel(StreamConfig{nullptr, true},
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kernel,
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kGridSize,
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kBlockSize,
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0,
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static_cast<ADataType*>(a_buf.GetDeviceBuffer()),
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static_cast<BDataType*>(b_buf.GetDeviceBuffer()),
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M,
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N);
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b_buf.FromDevice(b_host_dev.mData.data());
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std::size_t num_btype = sizeof(ADataType) * M * N + sizeof(BDataType) * M * N;
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float gb_per_sec = num_btype / 1.E6 / ave_time;
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std::cout << "Perf: " << ave_time << " ms, " << gb_per_sec << " GB/s" << std::endl;
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return !ck::utils::check_err(b_host_dev, b_host_ref);
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}
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