1. 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
  2. 26 Mar, 2025 1 commit
    • Lei Wang's avatar
      [Refactor] Deprecated `T.Buffer` as arguments and rename related calls into `T.Tensor` (#281) · bf8a6fc1
      Lei Wang authored
      * [Refactor] Improve flash attention example and layout comparison logic
      
      - Removed unnecessary annotation for `lse_local_split` in the flash attention example to streamline the code.
      - Updated the handling of `lse_local_split` to utilize parallel processing for better performance.
      - Refactored kernel compilation and profiling logic to enhance clarity and maintainability in the flash attention example.
      - Added a condition in `FragmentNode::IsEqual` to handle broadcast cases, improving the robustness of layout comparisons.
      
      * lint fix
      
      * [Enhancement] Add support for shared memory scope in Fill operation
      
      - Introduced handling for `shared.dyn` and `shared` memory scopes in the Fill operation.
      - Implemented parallel operation and layout inference for improved performance in shared memory scenarios.
      - Updated thread loop partitioning and vectorization logic to accommodate new memory scope handling.
      
      * [Refactor] Remove deprecated decorator and enhance Cython kernel handling
      
      - Removed the deprecated decorator from the main module and added a new implementation in the utils module for better organization.
      - Introduced a pointer map in the Cython kernel adapter to manage pointer arguments, improving runtime shape resolution.
      - Updated the Cython kernel wrapper to utilize the new pointer map for handling kernel arguments.
      - Enhanced error checking in the tensor utility functions to ensure static shapes are enforced.
      - Added a new proxy module for buffer and tensor handling, streamlining the interface for TIR programs.
      
      * [Feature] Add matrix multiplication test and kernel implementation
      
      - Introduced a new test file `test_tilelang_language_ptr.py` that implements a matrix multiplication function using TileLang's primitives.
      - The `matmul_test` function defines a kernel for performing tile-level GEMM operations with customizable block sizes and data types.
      - Added a `run_matmul` function to compile and execute the kernel, along with a test function to validate the implementation.
      - Updated the `proxy.py` file to enhance type handling for buffer and tensor proxies, ensuring compatibility with TIR programs.
      - Minor formatting improvements in `deprecated.py` for better readability.
      
      * lint fix
      
      * [Refactor] Update tensor creation in matrix multiplication test
      
      - Replaced `T.Tensor.from_ptr` with `T.make_tensor` in `matmul_test` for improved clarity and consistency.
      - Updated imports in `__init__.py` to include `make_tensor`.
      - Added `make_tensor` function in `proxy.py` to streamline tensor creation from pointers.
      
      * [Refactor] Update tensor definitions across multiple files
      
      - Replaced instances of `T.Tensor` with updated tensor definitions in various benchmark and example files to enhance consistency and clarity.
      - Adjusted tensor shapes and types in functions related to matrix multiplication, attention mechanisms, and other operations.
      - Improved documentation in README and example files to reflect changes in tensor usage.
      
      * lint fix
      
      * [Refactor] Update tensor types in attention and matrix multiplication examples
      
      - Replaced instances of `T.Tensor` with `T.SharedTensor` and `T.FragmentTensor` in various attention and matrix multiplication functions to improve consistency and clarity.
      - Adjusted tensor definitions in benchmark and example files to align with the new tensor types.
      - Enhanced the overall structure and readability of the code by standardizing tensor usage across multiple files.
      
      * lint fix
      
      * [Refactor] Update tensor types in GEMM example and test files
      
      - Replaced instances of `T.Tensor` with `T.LocalTensor` and `T.Buffer` in the GEMM example and related test functions to improve consistency and clarity.
      - Enhanced the overall structure of the code by standardizing tensor usage across multiple files, aligning with recent updates in tensor definitions.
      
      * [Refactor] Update tensor usage in customize.py
      
      - Replaced instances of `T.Tensor` with `T.Buffer` in the `reshape` and `view` functions to enhance consistency with recent tensor definitions.
      - Improved code clarity by standardizing buffer usage across the file.
      
      * [Refactor] Update tensor types in test_tilelang_transform_annotate_device_regions.py
      
      - Replaced instances of `T.Tensor` with `T.Buffer` in the `before` and `expected` methods of the `TestAnnotateThreadExtent` and `TestAnnotateDeviceScope` classes to enhance consistency with recent tensor definitions.
      - Improved code clarity by standardizing buffer usage across the test file.
      
      * [Refactor] Update tensor types to SharedBuffer and FragmentBuffer
      
      - Replaced instances of `T.SharedTensor` and `T.FragmentTensor` with `T.SharedBuffer` and `T.FragmentBuffer` across multiple benchmark, example, and test files to enhance consistency with recent tensor definitions.
      - Improved code clarity and structure by standardizing buffer usage in attention and matrix multiplication functions.
      
      * [Refactor] Introduce Tensor alias for Buffer in proxy.py
      
      - Added a new alias `Tensor` for `Buffer` in `proxy.py` to facilitate JIT compilation, ensuring that inputs and outputs are mapped with `torch.Tensor`.
      - This change enhances clarity and consistency in tensor usage across the codebase.
      bf8a6fc1
  3. 20 Mar, 2025 1 commit
    • Lei Wang's avatar
      [Refactor] Phaseout LLVM Dependency by Making it Optional (#247) · f2e99180
      Lei Wang authored
      * remove llvm build
      
      * [Refactor] Update kernel compilation and profiling in examples
      
      - Replaced `tilelang.lower` with `tilelang.compile` in multiple example scripts to streamline kernel compilation.
      - Updated profiling calls to utilize the new `get_profiler` method, enhancing performance measurement consistency.
      - Adjusted assertions and benchmarking methods to align with the new profiling structure across various examples, ensuring correctness and clarity in performance evaluations.
      
      * lint fix
      
      * License Update
      
      * [Refactor] Improve code formatting and documentation in CUDA header and HIP runtime files
      
      - Adjusted formatting in `cuda.h` for better readability, including alignment of comments and struct fields.
      - Cleaned up whitespace and improved comment clarity in `rt_mod_hip.cc` to enhance code maintainability.
      
      * [Refactor] Enhance formatting and clarity in CUDA header and HIP runtime files
      
      - Improved comment alignment and readability in `cuda.h`.
      - Cleaned up whitespace and formatting in `rt_mod_hip.cc` to enhance maintainability.
      
      * lint fix
      
      * lint fix
      
      * lint fix
      
      * lint fix
      
      * fix
      
      * License update
      
      * [Enhancement] Update JITKernel to use artifact for kernel source
      
      - Assigned the generated artifact to `self.artifact` for better management.
      - Updated kernel source references to use `artifact.kernel_source` for consistency in execution backend handling.
      
      * lint fix
      
      * Add @tilelang.testing.requires_llvm decorator to vectorization tests
      
      * Enhance setup.py and env.py for library management
      
      - Added functionality to remove original files after copying in CMakeBuild.
      - Updated TVM_LIBRARY_PATH in env.py to include the PyPI build library path for better integration.
      
      * Refactor TVM_LIBRARY_PATH assignment for improved readability in env.py
      
      * Refactor CMakeBuild file handling in setup.py
      
      - Added a check to ensure the target library directory exists before copying .so files.
      - Improved the logic for creating the target directory and copying files to enhance robustness.
      
      * bugfix
      
      * Rename BuildTLDebug to BuildTileLangCUDAWithoutCompile and update registration. Add @tilelang.testing.requires_llvm decorator to multiple tests for LLVM requirement.
      
      * lint fix
      
      * Enhance TileLang code generation by adding support for device code generation without compilation. Updated `host_codegen` and `device_codegen` functions to include new transformations and registration for `tilelang_hip_without_compile`. Refactored JIT kernel adapters to accommodate host and device modules, improving overall integration and flexibility.
      
      * lint fix
      
      * Add support for C target in device code generation
      
      - Updated `device_codegen_without_compile` to include handling for the C target by registering the `tilelang_cpp` function.
      
      * [Enhancement] Implement auto-clear cache feature based on environment variable
      
      * Added TILELANG_CLEAR_CACHE environment variable to control cache clearing.
      * Updated CI workflow to set TILELANG_CLEAR_CACHE during testing.
      * Modified cache initialization to clear cache if TILELANG_CLEAR_CACHE is set to true.
      
      * [Refactor] Update kernel invocation and import paths in tests and cache
      
      * Changed kernel invocation in `test_tilelang_kernel_dequantize_gemm.py` to return the result.
      * Updated import statements in `test_tilelang_kernel_int4_gemm_mma.py` to use `bitblas` instead of `tilelang`.
      * Refactored paths for artifact and parameters in `kernel_cache.py` for better maintainability.
      
      * [Refactor] Clean up whitespace and improve code formatting in kernel_cache.py
      
      * Removed unnecessary blank lines and adjusted spacing for better readability in the KernelCache class.
      * Enhanced overall code formatting to align with project standards.
      
      * [Enhancement] Add bfloat16 test case and improve kernel caching logic
      
      * Introduced a new test case for bfloat16 matrix multiplication in `test_tilelang_kernel_gemm_mma_intrinsic.py`.
      * Updated `KernelCache` to handle multiple kernel source files and improve error handling during saving and loading.
      * Refactored `JITKernel` to support instantiation from a database, enhancing flexibility in kernel management.
      * Adjusted `CtypesKernelAdapter` and `CythonKernelAdapter` to utilize the new kernel loading mechanism from the database.
      * Improved code formatting and readability across several files.
      
      * lint fix
      
      * Update bfloat16 matrix multiplication test case to use larger dimensions for improved coverage
      f2e99180
  4. 27 Feb, 2025 1 commit
    • Lei Wang's avatar
      [JIT] Enhance cython/ctypes wrapper for tma descriptor (#126) · 7b74bb01
      Lei Wang authored
      
      
      * refactor code
      
      * enhance tutorial
      
      * Enhance error handling and code generation in CUDA and TileLang components
      
      This commit introduces several improvements across multiple files:
      - Added more informative error messages in GEMM layout checks
      - Updated CUDA codegen to support more flexible function signature generation
      - Improved TMA descriptor initialization and kernel dispatch logic
      - Refined library generation and source code parsing utilities
      - Enhanced error handling in various adapter and wrapper classes
      
      * Add thread tag validation for warp specialization
      
      Introduce a ThreadTagChecker to validate that a PrimFunc only uses threadIdx.x before applying warp specialization. This prevents unintended transformations on kernels with complex thread binding and provides a clear warning to users about potential issues with warp specialization.
      
      * Update TileLang Profiling and Compilation in Flash Decoding Examples
      
      Refactor the profiling and compilation workflow in two flash decoding example scripts:
      - Replace `tilelang.lower()` and `tilelang.Profiler()` with `tilelang.compile()`
      - Simplify profiler initialization using `get_profiler()`
      - Update method calls to use the new profiler and compiled kernel objects
      - Maintain existing performance benchmarking and validation logic
      
      * Refactor and clean up code formatting in TileLang testing and adapter modules
      
      This commit includes several code style and formatting improvements:
      - Adjust whitespace and line breaks in test files
      - Improve code formatting in CUDA source wrapper and adapter utilities
      - Enhance readability of function calls and argument handling
      - Remove unnecessary whitespace and standardize indentation
      - Simplify function signatures and argument parsing
      
      * Refactor CUDA codegen and improve code formatting
      
      This commit includes several improvements to CUDA code generation and formatting:
      - Enhance function signature generation in CodeGenTileLangCUDA
      - Improve code formatting and readability in CUDA-related files
      - Simplify parameter handling and type annotations
      - Clean up whitespace and line breaks in codegen and layout files
      
      ---------
      Co-authored-by: default avatarUbuntu <dlisuser@h100testl730RPS.xu5snccwrbtejcqqalluoku5hb.xx.internal.cloudapp.net>
      7b74bb01
  5. 21 Feb, 2025 1 commit
    • Lei Wang's avatar
      [JIT] Support Cython jit and make cython a default execution backend (#102) · 3471904f
      Lei Wang authored
      * [Feature] Add CTypes JIT kernel support for dynamic shapes and multi-stream execution
      
      - Enhance CtypesKernelAdapter to handle dynamic symbolic shapes
      - Add support for multi-stream kernel execution in CTypes backend
      - Implement dynamic shape handling in test_tilelang_jit_gemm_ctypes.py
      - Add symbolic shape utility function in tilelang.language
      - Update profiler to improve flexibility in benchmark selection
      
      * Remove redundant thread binding in GEMM kernel implementations
      
      - Remove unnecessary `thread_binding` line in GEMM kernel functions
      - Clean up code in `examples/gemm/README.md` and `testing/python/kernel/test_tilelang_kernel_int4_gemm_mma.py`
      - Enhance code readability by removing redundant thread binding annotation
      
      * Fix indentation in int4 GEMM kernel test file
      
      - Correct indentation for function calls in `test_tilelang_kernel_int4_gemm_mma.py`
      - Remove extra indentation in `mma_emitter.ldmatrix_a()` and `mma_emitter.ldmatrix_b()` calls
      - Improve code formatting for better readability
      
      * [Feature] Add Cython JIT kernel support for dynamic shapes and multi-stream execution
      
      - Implement CythonKernelAdapter to handle dynamic symbolic shapes
      - Add support for multi-stream kernel execution in Cython backend
      - Create comprehensive test suite for Cython GEMM kernel in test_tilelang_jit_gemm_cython.py
      - Update JITKernel to include "cython" as a valid execution backend
      - Add Cython-specific wrapper and library generation modules
      - Update .gitignore to exclude Cython cache directory
      - Modify setup.py to include Cython source files in package data
      
      * lint fix
      
      * [Refactor] Replace JITKernel with compile() function for kernel compilation
      
      - Add new `compile()` function in tilelang/jit/__init__.py as a wrapper for JITKernel
      - Update multiple test files and examples to use `tilelang.compile()` instead of `tilelang.JITKernel()`
      - Modify kernel adapters to support optional kernel-only source retrieval
      - Update `__init__.py` to import the new `compile()` function
      - Improve kernel source retrieval for different execution backends
      
      * lint fix
      
      * remove debug print
      
      * Add C/C++ compiler utility module and update Cython JIT kernel support
      
      - Introduce new `tilelang/contrib/cc.py` module with cross-platform C/C++ compiler utilities
      - Add functions to detect and retrieve system C/C++ compilers
      - Implement cross-compilation and shared library creation support
      - Update Cython JIT kernel to validate C++ compiler availability
      - Modify Cython adapter to use detected C++ compiler for library generation
      
      * Refactor float8 dtype mapping in tensor utility module
      
      - Move float8_dtype_map inside adapt_torch2tvm function
      - Simplify global scope by localizing the dtype mapping
      - Maintain existing functionality for converting torch float8 tensors to TVM ndarray
      
      * Refactor float8 dtype mapping in tensor utility module
      
      - Move float8_dtype_map inside adapt_torch2tvm function
      - Simplify global scope by localizing the dtype mapping
      - Maintain existing functionality for converting torch float8 tensors to TVM ndarray
      
      * revert
      
      * Enhance Cython JIT adapter with Cython compiler detection
      
      - Add `get_cython_compiler()` function to dynamically locate Cython executable
      - Update Cython adapter to use detected Cython compiler instead of hardcoded command
      - Raise an exception if no Cython compiler is found
      - Update requirements.txt to specify minimum PyTorch version (>=2.2.0)
      
      * Fix Cython kernel wrapper stream handling and type annotations
      
      - Update stream parameter type to int64_t for better compatibility
      - Directly use torch.cuda.current_stream().cuda_stream instead of casting
      - Improve type safety and precision in Cython kernel wrapper
      3471904f
  6. 25 Jan, 2025 1 commit
  7. 20 Jan, 2025 2 commits