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Lei Wang
191d879ddd
* Fix thread storage synchronization logic in `thread_storage_sync.cc` to correctly identify conflicts between read and write operations based on loop carry conditions. * lint fix * Refactor `example_dequant_groupedgemm_bf16_mxfp4_hopper.py` to use shared memory for `sorted_token_ids` instead of local memory, improving thread synchronization. Adjust default argument values for M, N, and K in the main function for better testing scenarios. * Add UniformExprChecker to enforce thread synchronization rules Introduce the UniformExprChecker class to determine if expressions are uniform across threads, crucial for safe synchronization in conditional statements. Update the TileLangThreadSyncPlanner to hoist synchronization points out of non-uniform if-statements to prevent potential deadlocks. Enhance tests to validate sync hoisting behavior for various non-uniform conditions involving thread indices and shared memory access. * lint fix * Enhance `example_dequant_groupedgemm_bf16_mxfp4_hopper.py` with cache disabling and kernel source printing for debugging. Update thread synchronization logic in `thread_storage_sync.cc` to check for runtime-dependent conditions, preventing potential deadlocks by hoisting sync points as necessary. * Update submodule `tvm` to latest commit and remove deprecated `example_gqa_decode_varlen_logits_paged.py` file. Refactor `example_gqa_decode_varlen_logits.py` to enhance performance and maintainability by removing unused imports and optimizing shared memory usage. Adjust test cases to reflect the removal of the paged example. * fix * Enhance thread synchronization logic in `thread_storage_sync.cc` by adding a configurable warp size parameter to `RuntimeDependentConditionChecker` and `TileLangThreadSyncPlanner`. This allows for better adaptability to different target architectures. Update the logic to ensure thread extent is a constant and improve handling of runtime-dependent conditions. * lint fix * Refactor thread extent validation in `thread_storage_sync.cc` to use pointer checks instead of optional values. This change improves clarity and ensures that the thread extent is correctly validated as a constant. * Adjust loop variable constraints in `thread_storage_sync.cc` for loop-carry analysis by modifying the extent calculation. This change ensures valid iteration comparisons by reducing the extent by one, allowing for accurate analysis of loop iterations. * lint fix