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[CK_TILE] Fix flatmm on gfx11 and gfx12 (#2790)

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1. Correct shuffle_b and MakeBFlatDramTileDistribution according to WMMA warp layout
2. Add FlatmmConfig16_Wmma for gfx11 and gfx12
This commit is contained in:
linqunAMD
2025-09-10 08:28:00 +08:00
committed by GitHub
parent 82890192dd
commit df4ee556d6
14 changed files with 224 additions and 67 deletions
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43
example/ck_tile/18_flatmm/run_flatmm_example.inc
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@@ -43,15 +43,40 @@ auto shuffle_b(const ck_tile::HostTensor<T>& t)
int n_ = t.get_lengths()[1];
int k_ = t.get_lengths()[0];
int divisor = ck_tile::is_wave32() ? (FlatmmConfig::N_Warp_Tile == 32 ? 1 : 2)
: (FlatmmConfig::N_Warp_Tile == 32 ? 2 : 4);
ck_tile::HostTensor<T> t_view({n_ / FlatmmConfig::N_Warp_Tile,
FlatmmConfig::N_Warp_Tile,
k_ / FlatmmConfig::K_Warp_Tile,
divisor,
FlatmmConfig::K_Warp_Tile / divisor});
std::copy(t.begin(), t.end(), t_view.begin());
return ck_tile::reference_permute(t_view, {0, 2, 3, 1, 4});
if(ck_tile::is_gfx12_supported())
{
// TODO: Please modify it once kABK0PerLane is changed in WmmaTraitsBase<gfx12>
constexpr int divisor = 2;
constexpr int kABK0PerLane = 2;
ck_tile::HostTensor<T> t_view({n_ / FlatmmConfig::N_Warp_Tile,
FlatmmConfig::N_Warp_Tile,
k_ / FlatmmConfig::K_Warp_Tile,
divisor,
kABK0PerLane,
FlatmmConfig::K_Warp_Tile / divisor / kABK0PerLane});
std::copy(t.begin(), t.end(), t_view.begin());
return ck_tile::reference_permute(t_view, {0, 2, 4, 1, 3, 5});
}
else
{
int divisor = 1;
if(ck_tile::is_gfx11_supported())
{
divisor = 1;
}
else
{
assert(is_wave32() == false);
divisor = FlatmmConfig::N_Warp_Tile == 32 ? 2 : 4;
}
ck_tile::HostTensor<T> t_view({n_ / FlatmmConfig::N_Warp_Tile,
FlatmmConfig::N_Warp_Tile,
k_ / FlatmmConfig::K_Warp_Tile,
divisor,
FlatmmConfig::K_Warp_Tile / divisor});
std::copy(t.begin(), t.end(), t_view.begin());
return ck_tile::reference_permute(t_view, {0, 2, 3, 1, 4});
}
}
template <typename ADataType, typename BDataType, typename AccDataType, typename CDataType>