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45 lines
1.9 KiB
C++
45 lines
1.9 KiB
C++
// Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
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// SPDX-License-Identifier: MIT
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#pragma once
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#include "ck_tile/core.hpp"
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namespace ck_tile {
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template <typename BlockWarps, // num warps along seq<M, N>
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typename BlockTile, // block size, seq<M, N>
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typename WarpTile, // warp size, seq<M, N>
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typename ThreadTile> // contiguous pixels(vector size) along seq<M, N>
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struct Reduce2dShape
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{
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static constexpr index_t Block_M = BlockTile::at(number<0>{});
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static constexpr index_t Block_N = BlockTile::at(number<1>{});
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static constexpr index_t Warp_M = WarpTile::at(number<0>{});
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static constexpr index_t Warp_N = WarpTile::at(number<1>{});
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static constexpr index_t ThreadTile_M = ThreadTile::at(number<0>{});
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static constexpr index_t ThreadTile_N = ThreadTile::at(number<1>{});
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static constexpr index_t WarpPerBlock_M = BlockWarps::at(number<0>{});
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static constexpr index_t WarpPerBlock_N = BlockWarps::at(number<1>{});
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static constexpr index_t RepeatInWarp =
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Warp_M * Warp_N / ThreadTile_M / ThreadTile_N / ck_tile::get_warp_size();
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static constexpr index_t RepeatInWarp_M =
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(Warp_M / ThreadTile_M > Warp_N / ThreadTile_N) ? RepeatInWarp : 1;
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static constexpr index_t RepeatInWarp_N =
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(Warp_M / ThreadTile_M > Warp_N / ThreadTile_N) ? 1 : RepeatInWarp;
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static constexpr index_t ThreadPerWarp_M = Warp_M / ThreadTile_M / RepeatInWarp_M;
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static constexpr index_t ThreadPerWarp_N = Warp_N / ThreadTile_N / RepeatInWarp_N;
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static constexpr index_t Repeat_M = Block_M * RepeatInWarp_M / (WarpPerBlock_M * Warp_M);
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static constexpr index_t Repeat_N = Block_N * RepeatInWarp_N / (WarpPerBlock_N * Warp_N);
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static constexpr index_t BlockSize =
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ck_tile::get_warp_size() * reduce_on_sequence(BlockWarps{}, multiplies{}, number<1>{});
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};
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} // namespace ck_tile
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