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[CK TILE] Gemm pk_int4_t permute B (#1907)

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* [CK TILE] Gemm pk_int4_t permute B

* Fixes
This commit is contained in:
Bartłomiej Kocot
2025-02-27 11:01:14 +01:00
committed by GitHub
parent bf1e17007e
commit 0356ee069e
12 changed files with 279 additions and 122 deletions
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67
include/ck_tile/ops/gemm/kernel/gemm_kernel.hpp
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@@ -314,6 +314,7 @@ struct GemmKernel
const GemmKernelArgs& kargs,
const SplitKBatchOffset& splitk_batch_offset)
{
static_assert(!TilePartitioner::BlockGemmShape::PermuteA, "Not implemented!");
const auto& a_tensor_view = [&]() {
if constexpr(std::is_same_v<ALayout, tensor_layout::gemm::RowMajor>)
{
@@ -338,21 +339,63 @@ struct GemmKernel
const auto& b_tensor_view = [&]() {
if constexpr(std::is_same_v<BLayout, tensor_layout::gemm::RowMajor>)
{
return make_naive_tensor_view<address_space_enum::global>(
b_ptr,
make_tuple(splitk_batch_offset.splitted_k, kargs.N),
make_tuple(kargs.stride_B, 1),
number<GemmPipeline::GetVectorSizeB()>{},
number<1>{});
if constexpr(TilePartitioner::BlockGemmShape::PermuteB)
{
constexpr index_t K1 = GemmPipeline::GetSmemPackB();
const index_t K0 = splitk_batch_offset.splitted_k / K1;
constexpr index_t VectorSizeB = std::min(K1, GemmPipeline::GetVectorSizeB());
const auto b_k0_n_k1_desc =
make_naive_tensor_descriptor(make_tuple(K0, kargs.N, K1),
make_tuple(kargs.N * K1, K1, I1),
number<VectorSizeB>{},
number<1>{});
const auto b_n_k_desc = transform_tensor_descriptor(
b_k0_n_k1_desc,
make_tuple(make_merge_transform(make_tuple(K0, K1)),
make_pass_through_transform(kargs.N)),
make_tuple(sequence<0, 2>{}, sequence<1>{}),
make_tuple(sequence<0>{}, sequence<1>{}));
return make_tensor_view<address_space_enum::global>(b_ptr, b_n_k_desc);
}
else
{
return make_naive_tensor_view<address_space_enum::global>(
b_ptr,
make_tuple(splitk_batch_offset.splitted_k, kargs.N),
make_tuple(kargs.stride_B, 1),
number<GemmPipeline::GetVectorSizeB()>{},
number<1>{});
}
}
else
{
return make_naive_tensor_view<address_space_enum::global>(
b_ptr,
make_tuple(kargs.N, splitk_batch_offset.splitted_k),
make_tuple(kargs.stride_B, 1),
number<GemmPipeline::GetVectorSizeB()>{},
number<1>{});
if constexpr(TilePartitioner::BlockGemmShape::PermuteB)
{
constexpr index_t K1 = GemmPipeline::GetSmemPackB();
const index_t K0 = splitk_batch_offset.splitted_k / K1;
constexpr index_t VectorSizeB = std::min(K1, GemmPipeline::GetVectorSizeB());
const auto b_k0_n_k1_desc =
make_naive_tensor_descriptor(make_tuple(K0, kargs.N, K1),
make_tuple(kargs.N * K1, K1, I1),
number<VectorSizeB>{},
number<1>{});
const auto b_n_k_desc = transform_tensor_descriptor(
b_k0_n_k1_desc,
make_tuple(make_merge_transform(make_tuple(K0, K1)),
make_pass_through_transform(kargs.N)),
make_tuple(sequence<0, 2>{}, sequence<1>{}),
make_tuple(sequence<1>{}, sequence<0>{}));
return make_tensor_view<address_space_enum::global>(b_ptr, b_n_k_desc);
}
else
{
return make_naive_tensor_view<address_space_enum::global>(
b_ptr,
make_tuple(kargs.N, splitk_batch_offset.splitted_k),
make_tuple(kargs.stride_B, 1),
number<GemmPipeline::GetVectorSizeB()>{},
number<1>{});
}
}
}();