GitLab

* fix CI bugs in hopper

* lint fix

* Update bulk_copy.cc

* Refactor bulk copy logic in LowerBulkCopy function

- Removed unnecessary blank lines for improved code readability.
- Enhanced stride validation by checking for null pointers in global stride calculations, ensuring robustness against symbolic strides.
- Updated pass configuration handling in dynamic tile language tests to streamline dynamic alignment and TMA lower pass settings.

* test fix

* ci fix

* Update flash-attention dependencies and clean up example code

- Downgraded `flash-attn` dependency version in `requirements-test.txt` to `<=2.2.0`.
- Removed unused imports and commented-out code in various example files to enhance readability and maintainability.
- Updated the `flashattn` function signature to include default parameters for `block_M`, `block_N`, `num_stages`, and `threads`.
- Cleaned up the `example_mha_fwd_varlen.py` and `example_mha_bwd_wgmma_pipelined.py` files by removing unnecessary comments and improving code clarity.
- Deleted the `example_mha_inference.py` file as it is no longer needed.

* Update CI workflow to remove `--user` flag from pip install commands

- Removed the `--user` flag from the pip install commands in both the development and testing sections of the CI workflow to ensure proper installation of dependencies in the virtual environment.

* Update CI workflow to include `--no-user` flag in pip install commands

- Added the `--no-user` flag to the pip install commands in both the development and testing sections of the CI workflow to ensure dependencies are installed correctly within the virtual environment.

* Update CI workflow to include `--no-user` flag in pip install command for wheel mode

- Added the `--no-user` flag to the pip install command in the wheel mode section of the CI workflow to ensure dependencies are installed correctly within the virtual environment.

* test fix

* avoid conflict with system environments

* test fix

* add commnets

---------
Co-authored-by: Lei Wang <34334180+LeiWang1999@users.noreply.github.com>
Co-authored-by: LeiWang1999 <leiwang1999@outlook.com>

* [Enhancement] Improve memory access condition checks in GlobalMemChecker

- Updated the condition checks in the GlobalMemChecker to utilize symbolic bounds in the CanProve method, enhancing the accuracy of memory access validations.
- This change ensures that both upper and lower bound conditions are evaluated with improved proof strength, contributing to more robust memory access analysis.

* lintfix

* [Enhancement] Add legality checks for shared memory and global range in LowerBulkCopy

- Implemented checks to ensure that the shared memory range and global range are legal during the bulk copy operation.
- Added assertions to validate that the extents of global and shared ranges match, improving the robustness of memory access validation in the LowerBulkCopy function.

* [Refactor] Update barrier and clear operations in warp specialization examples

- Replaced `mbarrier_wait_parity` and `mbarrier_arrive` with `barrier_wait` and `barrier_arrive` for improved clarity and consistency in synchronization.
- Adjusted the order of `clear` operations for local fragments in `example_warp_specialize_gemm_copy_1_gemm_0` to enhance parallel execution efficiency.

* [Enhancement] Implement thread partial synchronization and improve shared memory allocation handling

- Added support for thread partial barrier synchronization in CUDA, allowing for more flexible thread management.
- Enhanced the `MergeSharedMemoryAllocations` function to accept alignment bytes, improving memory allocation efficiency based on target requirements.
- Updated the `Lower` methods in `Copy` and `Fill` classes to include conditional predicates for thread execution, ensuring better control over thread behavior.
- Refactored the `print` function to include warp group and warp IDs for more detailed debugging output.
- Improved the handling of dynamic shared memory allocations in the `LowerAndLegalize` function to align with target-specific requirements.

* [Enhancement] Add support for disabling TMA in Copy operations

- Introduced a new `disable_tma` parameter in the `Copy` class to control thread memory access behavior.
- Updated the `Lower` method to conditionally execute bulk copy operations based on the `disable_tma` flag.
- Enhanced the `copy` function to accept the `disable_tma` argument, allowing for more flexible memory copy operations.
- Improved handling of `coalesced_width` to ensure it defaults to -1 when not provided, enhancing robustness in memory operations.

* [Refactor] Clean up whitespace and formatting in multiple files

- Removed unnecessary blank lines and adjusted line breaks for improved code readability in `example_mla_decode.py`, `example_warp_specialize_gemm_copy_gemm_0_1.py`, `phase.py`, and `copy.py`.
- Ensured consistent formatting across functions to enhance maintainability and clarity of the codebase.

* [Enhancement] Refactor flash attention implementation for improved performance and configurability

- Split the shared memory allocations for query and key-value pairs to optimize memory usage.
- Introduced command-line arguments for batch size, number of heads, and dimensions, enhancing flexibility in running the example.
- Updated kernel execution parameters to improve thread management and synchronization.
- Enhanced the overall structure of the flash attention function for better readability and maintainability.

* fix

* Update layout inference in ParallelOp to account for thread bounds; remove debug print in OptimizeForTarget

* Refactor barrier handling and update example configurations

- Replaced commented-out barrier creation with new barrier allocation in GEMM example.
- Updated kernel configuration in warp specialization example to include async copy settings.
- Enhanced barrier management in the phase optimization process to improve synchronization handling.
- Introduced new barrier allocation function for better memory management in shared contexts.

* Refactor barrier handling in LowerAndLegalize and OptimizeForTarget

- Reintroduced barrier lowering in OptimizeForTarget to enhance synchronization.
- Removed commented-out barrier lowering in LowerAndLegalize for cleaner code.
- Added exit() call in OptimizeForTarget to halt execution after barrier lowering.

* Enhance CMake configuration and clean up example scripts

- Enabled compile command export in CMakeLists.txt for better build integration.
- Removed unnecessary print statement in the warp specialization example.
- Cleaned up commented-out code in GEMM example for improved readability.
- Updated barrier handling in shared memory allocation transformations for better synchronization.

* Refactor barrier handling in warp specialization examples

- Replaced commented-out mbarrier code with new barrier allocation using T.alloc_barrier for improved synchronization.
- Updated barrier wait and arrive calls to align with the new allocation method across multiple example scripts.
- Enhanced code readability by removing unnecessary comments and ensuring consistent barrier management.

* Update lower_shared_barrier.cc

* Update phase.py

* Update warp specialization example and Cython wrapper

- Removed commented-out pass configuration options in the warp specialization example for clarity.
- Added functionality to write the generated kernel source to a file named "kernel.cu".
- Enhanced Cython wrapper to support boolean type conversion for improved type handling.

* Add storage synchronization call in shared barrier transformation

- Introduced a new evaluation statement to call the TVM storage sync function with "shared" as an argument, enhancing synchronization in the shared barrier handling process.

* remove debug files

* Remove kernel source output to file in warp specialization example

* remove comments

* Refactor tensor handling and update test execution in TileLang

- Changed `Buffer` to `Tensor` in `customize.py` for better type consistency.
- Updated `mbarrier_wait_parity` and `mbarrier_arrive` functions in `builtin.py` to use `tir.BufferLoad` instead of `BufferLoad`.
- Commented out the main testing function in `test_tilelang_language_reshape.py` and replaced it with a direct call to `run_reshape_smem` for streamlined testing.
- Removed unnecessary NVCC compiler flags in `libgen.py` to reduce verbosity.

* Update test_tilelang_language_reshape.py

* [Example] Update kernel compilation in examples to use @tilelang.jit

- Refactored multiple examples to eliminate the use of `tilelang.compile` for kernel creation, directly invoking the functions instead.
- Added `@tilelang.jit` decorators with appropriate output indices to enhance performance and maintainability.
- Improved code clarity by simplifying the kernel invocation process across various examples, ensuring consistency in how kernels are defined and executed.

* format

* Update example_tilelang_sparse_gqa_decode_varlen_indice.py

* Update example_dequant_gemm_fine_grained.py

* Update example_gemm_autotune.py

---------
Co-authored-by: Lei Wang <34334180+LeiWang1999@users.noreply.github.com>

[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.

* 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

* [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.

* [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.

* [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