elementwise_shape.hpp Source File

elementwise_shape.hpp Source File#

Composable Kernel: elementwise_shape.hpp Source File

// SPDX-License-Identifier: MIT
// Copyright (c) 2025, Advanced Micro Devices, Inc. All rights reserved.
 
#pragma once
 
#include "ck_tile/core/utility/type_traits.hpp"
 
namespace ck_tile {
 
template <typename BlockWarps, typename BlockTile, typename WarpTile, typename ComputeDataType>
struct ElementWiseShape
{
    static constexpr index_t kBlockM = BlockTile::at(number<0>{});
 
    static constexpr index_t kWarpM = WarpTile::at(number<0>{});
 
    static constexpr index_t kVectorM =
        min(static_cast<index_t>(16 / sizeof(ComputeDataType)), kWarpM / get_warp_size());
 
    static constexpr index_t kWarpPerBlockM = BlockWarps::at(number<0>{});
 
    static constexpr index_t kThreadPerWarpM = get_warp_size();
 
    static constexpr index_t kRepeatM = kBlockM / (kWarpPerBlockM * kVectorM * kThreadPerWarpM);
 
    static constexpr index_t kBlockSize =
        ck_tile::get_warp_size() * reduce_on_sequence(BlockWarps{}, multiplies{}, number<1>{});
};
 
} // namespace ck_tile