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composable_kernel/include/ck_tile/host/reference/reference_batched_masking.hpp

33 lines
927 B
C++

// Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
// SPDX-License-Identifier: MIT
#pragma once
#include "ck_tile/core.hpp"
#include "ck_tile/host/host_tensor.hpp"
#include <thread>
namespace ck_tile {
template <typename CDataType, typename MaskingType>
CK_TILE_HOST void reference_batched_masking(HostTensor<CDataType>& c_b_m_n, const MaskingType& mask)
{
const int M = c_b_m_n.mDesc.get_lengths()[1];
const int N = c_b_m_n.mDesc.get_lengths()[2];
auto f = [&](auto batch) {
for(int n = 0; n < N; ++n)
{
for(int m = 0; m < M; ++m)
{
if(mask.IsOutOfBound(m, n))
c_b_m_n(batch, m, n) = -ck_tile::numeric<CDataType>::infinity();
}
}
};
make_ParallelTensorFunctor(f,
c_b_m_n.mDesc.get_lengths()[0])(std::thread::hardware_concurrency());
}
} // namespace ck_tile