1. 05 Apr, 2025 1 commit
    • Lei Wang's avatar
      [Enhancement] Enhance FP8/FP4 type handling in CUDA codegen (#323) · 89725f7f
      Lei Wang authored
      
      
      * [Enhancement] Introduce CUDA driver module and refactor CUDA device handling
      
      - Added a new `cuda_driver` module to encapsulate CUDA device properties and functionalities.
      - Updated `CUDA` class in `cuda.py` to utilize the new driver for fetching device name and shared memory capabilities.
      - Introduced `get_device_name` and `get_shared_memory_per_block` functions in the `cuda_driver` for improved device property management.
      - This refactor enhances code organization and maintainability while improving the handling of CUDA device attributes.
      
      * [Refactor] Clean up whitespace in CUDA-related files
      
      - Removed unnecessary blank lines in `cuda.py`, `__init__.py`, and `cuda_driver.py` to improve code readability and maintainability.
      - This change enhances the overall organization of the codebase without altering functionality.
      
      * [Benchmark] Add FP8 Matrix Multiplication Benchmark Script
      
      - Introduced a new benchmark script for FP8 matrix multiplication in `benchmark/matmul_fp8/benchmark_matmul.py`.
      - The script includes functions for reference matrix multiplication, configuration generation for autotuning, and an autotuned kernel for performance measurement.
      - Added command-line argument parsing for matrix dimensions and the option to enable BitBLAS roller for search space exploration.
      - The benchmark computes and prints the best latency and performance metrics, enhancing the benchmarking capabilities for FP8 operations.
      
      * lint fix
      
      * Update submodule and enhance FP8 type handling in CUDA codegen
      
      - Updated the TVM submodule to the latest commit.
      - Modified FP8 type handling in `codegen_cuda.cc` to use more descriptive type codes.
      - Improved constant printing for FP8 and bfloat16 types, ensuring correct representation in generated code.
      - Added error handling for missing configuration keys in the AutoTuner class.
      
      * lint fix
      
      * Remove print statement from example script
      
      * lint fix
      
      * fix
      
      ---------
      Co-authored-by: default avatarLeiWang1999 <wyatuestc@gmail.com>
      89725f7f
  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. 13 Mar, 2025 1 commit
    • zqh-wz's avatar
      [Feature] Upgrade cutlass version and support fp8 T.gemm (#202) · 2cccf1f5
      zqh-wz authored
      
      
      * upgrade cutlass to upstream v3.8.0
      
      * Implement fp8 gemm and add example script
      
      * Fix dtype retrieval with map_torch_type for fp8 inputs
      
      * Disable vectorization of fp8 values
      
      * Make MMA declaration compatible with cutlass 3.4.0+
      
      * Add test for fp8 T.gemm
      
      * fix indent
      
      * fix indent
      
      * Add copyright and license header
      
      * Add copyright and license header
      
      * lint fix
      
      * Refactor matmul_nt and assert_matmul_correctness functions for improved readability by consolidating parameter definitions and adjusting formatting.
      
      * clang format lint
      
      ---------
      Co-authored-by: default avatarLei Wang <34334180+LeiWang1999@users.noreply.github.com>
      Co-authored-by: default avatarLeiWang1999 <leiwang1999@outlook.com>
      2cccf1f5