Files
composable_kernel/host/host_tensor/include/host_gemm.hpp
Chao Liu 8791d26e52 FP16 data in-register transpose (#41)
* start fixing 16bit data packing

* adding StaticTensor

* adding StaticTensor

* adding StaticTensor

* add missing constexpr

* adding static tensor

* adding static tensor

* adding transpose

* add inline asm for transpose 2x2 of half_t

* add general transpose_vectors(), but have unnecessary register initialization using v_mov

* fix unnecessary register initialization in transpose_vector by using more pass-by-reference

* add hardcoded logic for NHWC wrw

* improve asm for v_pack

* make ThreadwiseTensorSliceTransfer_v3r2 support any tensor

* tweak

* reorganize file

[ROCm/composable_kernel commit: b491ebf384]
2021-11-15 10:05:58 -06:00

26 lines
760 B
C++

#pragma once
#include "host_tensor.hpp"
template <typename AType, typename BType, typename CType>
void host_gemm_mk_kn_mn(const Tensor<AType>& a_m_k,
const Tensor<BType>& b_k_n,
Tensor<CType>& c_m_n)
{
auto f_mk_kn_mn = [&](auto m, auto n) {
const int K = a_m_k.mDesc.GetLengths()[1];
double v = 0;
for(int k = 0; k < K; ++k)
{
v += static_cast<const double>(a_m_k(m, k)) * static_cast<const double>(b_k_n(k, n));
}
c_m_n(m, n) = v;
};
make_ParallelTensorFunctor(f_mk_kn_mn,
c_m_n.mDesc.GetLengths()[0],
c_m_n.mDesc.GetLengths()[1])(std::thread::hardware_concurrency());
}