Merge branch 'develop' into update_cka8w8_uc

include/ck_tile/ops/gemm/pipeline/gemm_pipeline_ag_bg_cr_comp_v4_default_policy.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2025, Advanced Micro Devices, Inc. All rights reserved.
+
+#pragma once
+
+#include "ck_tile/core.hpp"
+#include "ck_tile/ops/gemm/warp/warp_gemm_dispatcher.hpp"
+#include "ck_tile/ops/common/tensor_layout.hpp"
+#include "ck_tile/ops/gemm/pipeline/gemm_universal_pipeline_ag_bg_cr_policy.hpp"
+
+namespace ck_tile {
+// Default policy for GemmPipelineAGmemBGmemCregComputeV4, except the block gemm method, it shares
+// the same vector size implementation, SmemSize, Global memory tile distiribution as the
+// UniversalGemm Pipeline Policy.
+// Default policy class should not be templated, put template on
+// member functions instead.
+struct GemmPipelineAgBgCrCompV4DefaultPolicy
+    : public UniversalGemmBasePolicy<GemmPipelineAgBgCrCompV4DefaultPolicy>
+{
+    template <typename Problem>
+    CK_TILE_HOST_DEVICE static constexpr auto MakeALdsBlockDescriptor()
+    {
+        using namespace ck_tile;
+
+        constexpr index_t kMPerBlock = Problem::BlockGemmShape::kM;
+        constexpr index_t kKPerBlock = Problem::BlockGemmShape::kK;
+        constexpr index_t KPack      = GetSmemPackA<Problem>();
+
+        constexpr auto a_lds_block_desc_0 = make_naive_tensor_descriptor(
+            make_tuple(number<kKPerBlock / KPack>{}, number<kMPerBlock>{}, number<KPack>{}),
+            make_tuple(number<kMPerBlock * KPack>{}, number<KPack>{}, number<1>{}),
+            number<KPack>{},
+            number<1>{});
+
+        constexpr auto a_lds_block_desc = transform_tensor_descriptor(
+            a_lds_block_desc_0,
+            make_tuple(
+                make_pass_through_transform(number<kMPerBlock>{}),
+                make_merge_transform(make_tuple(number<kKPerBlock>{} / KPack, number<KPack>{}))),
+            make_tuple(sequence<1>{}, sequence<0, 2>{}),
+            make_tuple(sequence<0>{}, sequence<1>{}));
+
+        return a_lds_block_desc;
+    }
+
+    template <typename Problem>
+    CK_TILE_HOST_DEVICE static constexpr auto MakeBLdsBlockDescriptor()
+    {
+        constexpr index_t kNPerBlock = Problem::BlockGemmShape::kN;
+        constexpr index_t kKPerBlock = Problem::BlockGemmShape::kK;
+        constexpr index_t KPack      = GetSmemPackB<Problem>();
+
+        constexpr auto b_lds_block_desc_0 = make_naive_tensor_descriptor(
+            make_tuple(number<kKPerBlock / KPack>{}, number<kNPerBlock>{}, number<KPack>{}),
+            make_tuple(number<(kNPerBlock)*KPack>{}, number<KPack>{}, number<1>{}),
+            number<KPack>{},
+            number<1>{});
+
+        constexpr auto b_lds_block_desc = transform_tensor_descriptor(
+            b_lds_block_desc_0,
+            make_tuple(
+                make_pass_through_transform(number<kNPerBlock>{}),
+                make_merge_transform(make_tuple(number<kKPerBlock / KPack>{}, number<KPack>{}))),
+            make_tuple(sequence<1>{}, sequence<0, 2>{}),
+            make_tuple(sequence<0>{}, sequence<1>{}));
+
+        return b_lds_block_desc;
+    }
+
+    template <typename Problem>
+    CK_TILE_HOST_DEVICE static constexpr auto GetBlockGemm()
+    {
+        using AccDataType     = float;
+        using BlockWarps      = typename Problem::BlockGemmShape::BlockWarps;
+        using WarpTile        = typename Problem::BlockGemmShape::WarpTile;
+        using WarpGemm        = WarpGemmMfmaDispatcher<typename Problem::ADataType,
+                                                typename Problem::BDataType,
+                                                AccDataType,
+                                                WarpTile::at(I0),
+                                                WarpTile::at(I1),
+                                                WarpTile::at(I2),
+                                                Problem::TransposeC>;
+        using BlockGemmPolicy = BlockGemmARegBRegCRegV1CustomPolicy<typename Problem::ADataType,
+                                                                    typename Problem::BDataType,
+                                                                    typename Problem::CDataType,
+                                                                    BlockWarps,
+                                                                    WarpGemm>;
+
+        return BlockGemmARegBRegCRegV1<Problem, BlockGemmPolicy>{};
+    }
+};
+} // namespace ck_tile

include/ck_tile/ops/gemm/pipeline/gemm_pipeline_ag_bg_cr_mem.hpp

@@ -7,6 +7,7 @@
 #include "ck_tile/ops/gemm/pipeline/gemm_pipeline_agmem_bgmem_creg_v1_default_policy.hpp"
 #include "ck_tile/ops/gemm/pipeline/gemm_pipeline_ag_bg_cr_scheduler.hpp"
 #include "ck_tile/ops/gemm/pipeline/gemm_pipeline_ag_bg_cr_base.hpp"
+#include "ck_tile/host/concat.hpp"
 
 namespace ck_tile {
 
@@ -123,11 +124,23 @@ struct GemmPipelineAgBgCrMem : public BaseGemmPipelineAgBgCrMem<Problem>
     static constexpr bool kPadN = Problem::kPadN;
     static constexpr bool kPadK = Problem::kPadK;
 
+    static constexpr bool DoubleSmemBuffer = Problem::DoubleSmemBuffer;
+
     // Where is the right place for HasHotLoop and TailNum ???
     static constexpr bool HasHotLoop = Problem::HasHotLoop;
     static constexpr auto TailNum    = Problem::TailNum;
     static constexpr auto Scheduler  = Problem::Scheduler;
 
+    [[nodiscard]] CK_TILE_HOST static const std::string GetName()
+    {
+        // clang-format off
+        return concat('_', "pipeline_AgBgCrMe",
+                      concat('x', MPerBlock, NPerBlock, KPerBlock),
+                      concat('x', GetVectorSizeA(), GetVectorSizeB(), GetVectorSizeC()),
+                      concat('x', kPadM, kPadN, kPadK));
+        // clang-format on
+    }
+
     using Base::PrefetchStages;
 
     CK_TILE_HOST_DEVICE static constexpr index_t GetSmemSize()

include/ck_tile/ops/gemm/pipeline/gemm_pipeline_ag_bg_cr_scheduler.hpp

 // SPDX-License-Identifier: MIT
-// Copyright (c) 2024, Advanced Micro Devices, Inc. All rights reserved.
+// Copyright (c) 2024-2025, Advanced Micro Devices, Inc. All rights reserved.
 
 #pragma once
 
 #include <ostream>
+#include <sstream>
 
 #include "ck_tile/core.hpp"
 

include/ck_tile/ops/gemm/pipeline/gemm_pipeline_agmem_bgmem_creg_v1.hpp

@@ -5,6 +5,7 @@
 
 #include "ck_tile/core.hpp"
 #include "ck_tile/ops/gemm/pipeline/gemm_pipeline_agmem_bgmem_creg_v1_default_policy.hpp"
+#include "ck_tile/host/concat.hpp"
 
 namespace ck_tile {
 
@@ -39,6 +40,21 @@ struct GemmPipelineAGmemBGmemCRegV1
     static constexpr bool kPadN = Problem::kPadN;
     static constexpr bool kPadK = Problem::kPadK;
 
+    static constexpr index_t kLdsAlignmentInBytes = 16;
+
+    [[nodiscard]] CK_TILE_HOST static const std::string GetName()
+    {
+        // clang-format off
+        return concat('_', "pipeline_AGmemBGmemCRegV1", 
+                      concat('x', kMPerBlock, kNPerBlock, kKPerBlock,  BlockSize),
+                      concat('x', GetVectorSizeA(), GetVectorSizeB(), GetVectorSizeC()),
+                      concat('x', kPadM, kPadN, kPadK));
+        // clang-format on
+    }
+
+    // For the basic gemm pipelien DoubleSmemBuffer set to be false naturally.
+    static constexpr bool DoubleSmemBuffer = false;
+
     CK_TILE_HOST_DEVICE static constexpr auto TransposeC() { return Problem::TransposeC; }
 
     CK_TILE_HOST_DEVICE static constexpr index_t GetSmemSize()
@@ -75,8 +91,9 @@ struct GemmPipelineAGmemBGmemCRegV1
         auto a_lds_block = make_tensor_view<address_space_enum::lds>(p_a_lds, a_lds_block_desc);
 
         constexpr index_t a_lds_block_space_size_aligned =
-            integer_divide_ceil(sizeof(ADataType) * a_lds_block_desc.get_element_space_size(), 16) *
-            16;
+            integer_divide_ceil(sizeof(ADataType) * a_lds_block_desc.get_element_space_size(),
+                                kLdsAlignmentInBytes) *
+            kLdsAlignmentInBytes;
 
         // B tile in LDS
         BDataType* p_b_lds = static_cast<BDataType*>(

include/ck_tile/ops/image_to_column.hpp

@@ -8,3 +8,4 @@
 #include "ck_tile/ops/image_to_column/pipeline/tile_image_to_column_shape.hpp"
 #include "ck_tile/ops/common/generic_2d_block_shape.hpp"
 #include "ck_tile/ops/common/tensor_layout.hpp"
+#include "ck_tile/ops/common/utils.hpp"