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[CK_TILE] Separate PermuteN epilogue from CShuffle epilogue into standalone file (#5863) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ## Motivation The PermuteN epilogue was previously embedded within cshuffle_epilogue.hpp, despite having fundamentally different behaviour. Coupling these two independent strategies in one file introduced unnecessary complexity, SFINAE guards, and a dual operator() overload selected at compile time via TiledMMAPermuteN_ template parameter. This PR separates PermuteN into its own standalone file(pertmuten_epilogue.hpp), simplifying both implementations and making the codebase easier to maintain and extend independently. ## Technical Details **New file: permuten_epilogue.hpp:** contains PermuteNEpilogueProblem and PermuteNEpilogue, extracted from the permuteN code path in cshuffle_epilogue.hpp. **Cleanup of cshuffle_epilogue.hpp:** - Removed the TiledMMAPermuteN_ template parameter from [CShuffleEpilogueProblem] - Removed the SFINAE-guarded permuteN operator() overload - Removed the EnablePermuateN_ SFINAE alias - CShuffle now only contains CShuffle logic; EightWave support (independent feature) is retained **Consumer migration :** All consumer files now use compile-time epilogue selection via [std::conditional_t] `using GemmEpilogue = std::conditional_t< TiledMMAPermuteN, PermuteNEpilogue<PermuteNEpilogueProblem<...>>, CShuffleEpilogue<CShuffleEpilogueProblem<...>>>;` **Files modified:** - flatmm_basic.cpp, moe_flatmm.cpp, a16w4_moe_flatmm.cpp, mixed_prec_flatmm.cpp, mx_flatmm_instance.hpp — flatmm examples - run_gemm_quant_example.inc — block-scale GEMM example - gemm_weight_preshuffle_invoker.hpp — weight preshuffle invoker - test_gemm_quant_fixtures.hpp, test_gemm_persistent_async_input.cpp, test_gemm_pipeline_util.hpp — test utilities - universal_gemm_invoker.hpp — universal GEMM invoker - epilogue.hpp — add header updated to include permuten_epilogue.hpp ## Submission Checklist - [x] Look over the contributing guidelines at https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.
CK Tile Testing Guide
This document describes the test organization and available test targets for CK Tile operations.
Overview
CK Tile tests are organized with multiple levels of granularity to support different development workflows:
- Global test labels - Run tests across all operations
- Operation-specific umbrella targets - Run all tests for a specific operation
- Individual test executables - Run specific tests
Global Test Labels
These targets run tests across all CK operations (not just CK Tile):
ninja smoke
Run fast smoke tests (tests that complete within ~30 seconds on gfx90a).
ninja smoke
ninja regression
Run slower, more comprehensive regression tests.
ninja regression
ninja check
Run ALL available tests in the entire codebase.
ninja check
Operation-Specific Umbrella Targets
These targets allow you to run all tests for a specific CK Tile operation. This is useful when making changes to a particular operation and wanting to validate all related tests without running the entire test suite.
GEMM Operations
ck_tile_gemm_tests
Run all basic GEMM pipeline tests (memory, compute variants, persistent, etc.)
ninja ck_tile_gemm_tests
Test executables included:
test_ck_tile_gemm_pipeline_memtest_ck_tile_gemm_pipeline_compv3test_ck_tile_gemm_pipeline_compv4test_ck_tile_gemm_pipeline_persistenttest_ck_tile_gemm_pipeline_compv6test_ck_tile_gemm_pipeline_comp_async(gfx95 only)test_ck_tile_gemm_pipeline_*_wmmavariants (gfx11/gfx12 only)
ck_tile_gemm_block_scale_tests
Run all GEMM tests with block-scale quantization (AQuant, BQuant, ABQuant, etc.)
ninja ck_tile_gemm_block_scale_tests
Test executables included: 29 test executables covering:
- AQuant tests (memory pipelines, base layouts, prefill, preshuffle, transpose)
- ABQuant tests (base, padding, preshuffle)
- BQuant tests (1D/2D variants, transpose)
- BQuant with PreshuffleB (decode/prefill, 1D/2D)
- BQuant with PreshuffleQuant (decode/prefill, 1D/2D)
- RowColQuant and TensorQuant tests
ck_tile_gemm_streamk_tests
Run all GEMM StreamK tests (tile partitioner, reduction, smoke, extended)
ninja ck_tile_gemm_streamk_tests
Test executables included:
test_ck_tile_streamk_tile_partitionertest_ck_tile_streamk_reductiontest_ck_tile_streamk_smoketest_ck_tile_streamk_extended
ck_tile_grouped_gemm_quant_tests
Run all grouped GEMM quantization tests
ninja ck_tile_grouped_gemm_quant_tests
Test executables included:
test_ck_tile_grouped_gemm_quant_rowcoltest_ck_tile_grouped_gemm_quant_tensortest_ck_tile_grouped_gemm_quant_aquanttest_ck_tile_grouped_gemm_quant_bquanttest_ck_tile_grouped_gemm_quant_bquant_preshuffleb
Other Operations
ck_tile_fmha_tests
Run all FMHA (Flash Multi-Head Attention) tests
ninja ck_tile_fmha_tests
Test executables included: Forward and backward tests for fp16, bf16, fp8bf16, fp32
ck_tile_reduce_tests
Run all reduce operation tests
ninja ck_tile_reduce_tests
Test executables included:
test_ck_tile_reduce2dtest_ck_tile_multi_reduce2d_threadwisetest_ck_tile_multi_reduce2d_multiblock
Individual Test Executables
You can also build and run individual test executables:
Build a specific test
ninja test_ck_tile_gemm_pipeline_mem
Run a specific test directly
./build/bin/test_ck_tile_gemm_pipeline_mem
Run a specific test through ctest
ctest -R test_ck_tile_gemm_pipeline_mem --output-on-failure