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Revert "Revert " Fp8 block scale quantization for fmha fwd (#3330)" (#3633)" (#3635)

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This reverts commit de5a1d730d.

Co-authored-by: Illia Silin <98187287+illsilin@users.noreply.github.com>
This commit is contained in:
ltqin
2026-01-24 01:03:22 +08:00
committed by GitHub
parent 2e08a7e5ab
commit 67f0b74ec6
14 changed files with 667 additions and 84 deletions
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40
include/ck_tile/host/reference/reference_batched_gemm.hpp
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@@ -47,4 +47,44 @@ CK_TILE_HOST void reference_batched_gemm(const HostTensor<ADataType>& a_b_m_k,
make_ParallelTensorFunctor(f, c_b_m_n.mDesc.get_lengths()[0], c_b_m_n.mDesc.get_lengths()[1])(
std::thread::hardware_concurrency());
}
template <typename ADataType,
typename BDataType,
typename AccDataType,
typename CDataType,
typename AElementOp = ck_tile::idx_identity,
typename BElementOp = ck_tile::idx_identity,
typename ACCElementOp = ck_tile::idx_identity>
CK_TILE_HOST void reference_batched_quant_gemm(const HostTensor<ADataType>& a_b_m_k,
const HostTensor<BDataType>& b_b_n_k,
HostTensor<CDataType>& c_b_m_n,
const AElementOp& a_element_op = {},
const BElementOp& b_element_op = {},
const ACCElementOp& acc_element_op = {})
{
const int N = b_b_n_k.mDesc.get_lengths()[1];
const int K = b_b_n_k.mDesc.get_lengths()[2];
auto f = [&](auto batch, auto m) {
for(int n = 0; n < N; ++n)
{
AccDataType v_acc = 0;
for(int k = 0; k < K; ++k)
{
AccDataType v_a = ck_tile::type_convert<AccDataType>(
a_element_op(std::make_tuple(batch, m, k), a_b_m_k(batch, m, k)));
AccDataType v_b = ck_tile::type_convert<AccDataType>(
b_element_op(std::make_tuple(batch, n, k), b_b_n_k(batch, n, k)));
v_acc += v_a * v_b;
}
c_b_m_n(batch, m, n) = ck_tile::type_convert<CDataType>(
acc_element_op(std::make_tuple(batch, m, n), v_acc));
}
};
make_ParallelTensorFunctor(f, c_b_m_n.mDesc.get_lengths()[0], c_b_m_n.mDesc.get_lengths()[1])(
std::thread::hardware_concurrency());
}
} // namespace ck_tile