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  1. 08 May, 2025 2 commits
    • Lei Wang's avatar
      [Refactor] Update barrier functions and remove argparse in... · b0122d74
      Lei Wang authored
      [Refactor] Update barrier functions and remove argparse in example_warp_specialize_flashmla.py (#457)
      
      * Refactored barrier functions to use new signatures for improved clarity and consistency.
      * Replaced `mbarrier_arrive` and `mbarrier_wait_parity` with `barrier_arrive` and `barrier_wait` respectively.
      * Removed argparse dependency and replaced it with hardcoded parameters for batch size and dimensions in the main function, simplifying the example script.
      b0122d74
    • Lei Wang's avatar
      [Refactor] Update barrier functions and add new example for GEMM with warp specialization (#456) · a91bc2a9
      Lei Wang authored
      * Add example for warp specialization with flash attention
      
      * Introduced a new example script `example_warp_specialize_flashmla.py` demonstrating flash attention using warp specialization in TileLang.
      * Implemented the `flashattn` function with shared memory allocation and memory barrier synchronization for improved performance.
      * Added a reference program for validation against PyTorch's implementation, including profiling for latency and performance metrics.
      * Removed the outdated `example_warp_specialize_mla.py` to streamline examples and focus on the new implementation.
      
      * Add memory barrier functions to builtin.py
      
      * Introduced `barrier_wait` and `barrier_arrive` functions for memory barrier synchronization.
      * Enhanced documentation with detailed docstrings for both functions, clarifying their usage and parameters.
      * The `barrier_wait` function serves as a wrapper for `mbarrier_wait_parity`, supporting parity values 0 and 1.
      * Improved code organization and readability by adding blank lines for better separation of logical sections.
      
      * Enhance code readability by adding blank lines in example_warp_specialize_flashmla.py and builtin.py
      
      * Added blank lines to improve code organization and separation of logical sections in `example_warp_specialize_flashmla.py`.
      * Included blank lines in `builtin.py` around the `wait_wgmma` and `barrier_wait` functions for better readability.
      
      * [Refactor] Update barrier functions and add new example for GEMM with warp specialization
      
      * Refactored memory barrier functions in `example_warp_specialize_flashmla.py` to use the new `barrier_wait` and `barrier_arrive` methods for improved clarity and consistency.
      * Introduced a new example script `example_warp_specialize_gemm_copy_gemm_0_1.py` demonstrating matrix multiplication with warp specialization and shared memory allocation.
      * Enhanced the `layout.cc` and `elem.cc` files to improve structural equality checks and error handling in copy operations.
      * Updated `warpgroup.py` to refine thread ID calculations for better performance in warp specialization scenarios.
      * Added new shuffle operations in `builtin.py` for enhanced functionality in parallel computations.
      
      * lint fix
      
      * Update loop variable checks in SIMT loop and buffer region validation
      
      * Modified checks in `elem.cc` to ensure loop variable sizes are less than or equal to source and destination range sizes for better error handling.
      * Adjusted assertions in `copy.py` to reflect the updated logic, allowing for more flexible region extent comparisons and improved error messaging.
      
      * lint fix
      
      * test fix
      a91bc2a9
  2. 06 May, 2025 1 commit
    • Lei Wang's avatar
      [Enhancement] Add new examples for warp specialization and TMA integration (#448) · b5faf25a
      Lei Wang authored
      * [Refactor] Update KernelLaunch to clarify CPU and GPU kernel launch logic
      
      * Added comments to distinguish between CPU and GPU kernel launch sections for better code readability.
      * Changed the creation of empty blocks to use a consistent "root" identifier, enhancing clarity in frame management.
      
      * [Refactor] Rename operations for consistency in lower_hopper_intrin and related files
      
      * Updated function names from CamelCase to snake_case for better consistency across the codebase.
      * Refactored calls to `CreateTMADescriptorOp`, `CreateListofMBarrierOp`, and similar functions to their new names: `create_tma_descriptor`, `create_list_of_mbarrier`, etc.
      * Adjusted corresponding test cases to reflect these changes, ensuring compatibility with the new naming conventions.
      
      * [Refactor] Rename operations to snake_case for consistency
      
      * Updated function names from CamelCase to snake_case across various files, including `CreateTMADescriptorOp` to `create_tma_descriptor`, `GetMBarrierOp` to `get_mbarrier`, and others.
      * Adjusted corresponding calls and definitions in the codebase to reflect these naming changes, ensuring uniformity and improved readability.
      * Enhanced layout inference and loop partitioning logic to accommodate the new naming conventions.
      
      * [Feature] Introduce Warp Specialization and Eliminate Storage Sync for MBarrier
      
      * Added a new example `gemm_ws.py` demonstrating matrix multiplication with warp specialization using TileLang.
      * Implemented `WarpSpecializeFrame` and `WarpSpecialize` functionality to manage warp group indices in TIR frames.
      * Introduced `EliminateStorageSyncForMBarrier` transformation to optimize storage synchronization in mbarrier regions.
      * Enhanced the TileLang API with new methods for retrieving block and thread extents.
      * Updated the `LowerAndLegalize` and `OptimizeForTarget` functions to incorporate the new transformation.
      * Improved layout inference and kernel launch logic for better performance and clarity.
      
      * [Refactor] Clean up code formatting and improve readability
      
      * Added blank lines for better separation of code blocks in `gemm_ws.py`, `phase.py`, `kernel.py`, and `warpgroup.py`.
      * Reformatted the `tilelang.compile` call in `gemm_ws.py` for improved clarity.
      * Updated comments in `warpgroup.py` to clarify the availability of the `WarpSpecialize` function for NVIDIA GPUs.
      * Ensured consistent spacing and formatting across multiple files to enhance overall code readability.
      
      * lint fix
      
      * [Refactor] Update mbarrier functions for improved clarity and consistency
      
      * Refactored `mbarrier_wait_parity` and `mbarrier_arrive` functions in `builtin.py` to accept explicit parameters for better readability.
      * Updated calls in `gemm_ws.py` to use the new function signatures, enhancing code clarity.
      * Adjusted `warpgroup.py` to remove unused thread extent variable, streamlining the code.
      * Added detailed docstrings to clarify usage examples for memory barrier functions.
      
      * Added blank lines in `mbarrier_wait_parity` and `mbarrier_arrive` functions in `builtin.py` for improved code readability and separation of logical sections.
      
      * [Feature] Add examples for warp specialization and TMA barrier integration
      
      * Introduced three new example scripts: `example_warp_specialize_gemm.py`, `example_warp_specialize_gemm_barrier4.py`, and `example_warp_specialize_mla.py` demonstrating matrix multiplication with warp specialization and TMA barriers.
      * Implemented kernel functions with shared memory allocation and memory barrier synchronization for improved performance.
      * Enhanced the TileLang API with new methods for compiling and testing kernels in Python using PyTorch.
      * Updated the `phase.py` to include TMA barrier injection in the optimization process.
      * Improved documentation and comments for better clarity on usage and functionality.
      
      * [Feature] Add example for warp specialization in GEMM with TMA barriers
      
      * Introduced a new example script `example_warp_specialize_gemm_stage2.py` demonstrating matrix multiplication using warp specialization and TMA barriers.
      * Implemented a kernel function with shared memory allocation and memory barrier synchronization for enhanced performance.
      * Included functionality to compile the kernel into a PyTorch-compatible function and validate its correctness against PyTorch's reference implementation.
      * Enhanced documentation and comments for clarity on usage and functionality.
      
      * lint fix
      
      * [Feature] Implement WarpSpecializedDetector for TMA and MBarrier Detection
      
      * Added the `WarpSpecializedDetector` class to identify the presence of TMA operations and memory barrier operations within a given TIR statement.
      * Enhanced the `WarpSpecialized` pass to utilize the detector, allowing for conditional substitution based on the detection results.
      * Improved code organization by including necessary headers and utilizing the `IRVisitorWithAnalyzer` for analysis.
      * This addition aims to optimize warp specialization by ensuring that only relevant functions are transformed, enhancing performance and correctness.
      
      * lint fix
      
      * [Feature] Add new examples for warp specialization and TMA integration
      
      * Introduced multiple new example scripts demonstrating warp specialization techniques, including `example_warp_specialize_flashmla.py`, `example_warp_specialize_gemm_barrierpipe_stage2.py`, `example_warp_specialize_gemm_copy_0_gemm_1.py`, `example_warp_specialize_gemm_copy_1_gemm_0.py`, and `example_warp_specialize_gemm_softpipe_stage2.py`.
      * Each example showcases matrix multiplication with warp specialization and TMA barriers, implementing kernel functions with shared memory allocation and memory barrier synchronization for enhanced performance.
      * Added a test suite in `test_example_warp_specialize.py` to validate the functionality of the new examples.
      * Updated the TileLang API to support these examples and improve kernel compilation and testing processes.
      * Removed outdated example scripts to streamline the codebase and enhance clarity on available functionalities.
      
      * lint fix
      
      * Remove outdated example scripts for warp specialization and TMA integration to streamline the codebase. This includes `example_warp_specialize_gemm.py`, `example_warp_specialize_gemm_barrier4.py`, `example_warp_specialize_gemm_stage2.py`, and `example_warp_specialize_mla.py`, which are no longer needed following recent updates and improvements in the TileLang API.
      b5faf25a
  3. 30 Apr, 2025 1 commit
    • Lei Wang's avatar
      [Language] Support explicit programming for identified warp groups (#445) · 6972aed7
      Lei Wang authored
      * [Refactor] Update KernelLaunch to clarify CPU and GPU kernel launch logic
      
      * Added comments to distinguish between CPU and GPU kernel launch sections for better code readability.
      * Changed the creation of empty blocks to use a consistent "root" identifier, enhancing clarity in frame management.
      
      * [Refactor] Rename operations for consistency in lower_hopper_intrin and related files
      
      * Updated function names from CamelCase to snake_case for better consistency across the codebase.
      * Refactored calls to `CreateTMADescriptorOp`, `CreateListofMBarrierOp`, and similar functions to their new names: `create_tma_descriptor`, `create_list_of_mbarrier`, etc.
      * Adjusted corresponding test cases to reflect these changes, ensuring compatibility with the new naming conventions.
      
      * [Refactor] Rename operations to snake_case for consistency
      
      * Updated function names from CamelCase to snake_case across various files, including `CreateTMADescriptorOp` to `create_tma_descriptor`, `GetMBarrierOp` to `get_mbarrier`, and others.
      * Adjusted corresponding calls and definitions in the codebase to reflect these naming changes, ensuring uniformity and improved readability.
      * Enhanced layout inference and loop partitioning logic to accommodate the new naming conventions.
      
      * [Feature] Introduce Warp Specialization and Eliminate Storage Sync for MBarrier
      
      * Added a new example `gemm_ws.py` demonstrating matrix multiplication with warp specialization using TileLang.
      * Implemented `WarpSpecializeFrame` and `WarpSpecialize` functionality to manage warp group indices in TIR frames.
      * Introduced `EliminateStorageSyncForMBarrier` transformation to optimize storage synchronization in mbarrier regions.
      * Enhanced the TileLang API with new methods for retrieving block and thread extents.
      * Updated the `LowerAndLegalize` and `OptimizeForTarget` functions to incorporate the new transformation.
      * Improved layout inference and kernel launch logic for better performance and clarity.
      
      * [Refactor] Clean up code formatting and improve readability
      
      * Added blank lines for better separation of code blocks in `gemm_ws.py`, `phase.py`, `kernel.py`, and `warpgroup.py`.
      * Reformatted the `tilelang.compile` call in `gemm_ws.py` for improved clarity.
      * Updated comments in `warpgroup.py` to clarify the availability of the `WarpSpecialize` function for NVIDIA GPUs.
      * Ensured consistent spacing and formatting across multiple files to enhance overall code readability.
      
      * lint fix
      
      * [Refactor] Update mbarrier functions for improved clarity and consistency
      
      * Refactored `mbarrier_wait_parity` and `mbarrier_arrive` functions in `builtin.py` to accept explicit parameters for better readability.
      * Updated calls in `gemm_ws.py` to use the new function signatures, enhancing code clarity.
      * Adjusted `warpgroup.py` to remove unused thread extent variable, streamlining the code.
      * Added detailed docstrings to clarify usage examples for memory barrier functions.
      
      * Added blank lines in `mbarrier_wait_parity` and `mbarrier_arrive` functions in `builtin.py` for improved code readability and separation of logical sections.
      6972aed7
  4. 21 Apr, 2025 1 commit
    • Lei Wang's avatar
      [Bugfix] Support larger than 256 box size tma copy (#413) · bf824406
      Lei Wang authored
      * [New Feature] Add FP8 Flash Attention Implementation (#412)
      
      * Introduce a new example script for FP8 Flash Attention in `example_mla_decode_kv_fp8.py`, showcasing the use of tilelang for efficient attention computation.
      * Implement the `flashattn` function with optimized memory management and kernel execution.
      * Include a reference program for comparison and performance evaluation.
      * Add command-line argument parsing for batch size, number of heads, and dimensions to facilitate testing and experimentation.
      * Enhance the overall structure and readability of the code.
      
      This addition aims to improve the performance of attention mechanisms in deep learning models by leveraging FP8 precision and optimized kernel execution.
      
      * lint fix
      
      * optimize quick start
      
      * lint fix
      bf824406