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  1. 12 Dec, 2025 1 commit
  2. 18 Nov, 2025 1 commit
    • Lei Wang's avatar
      [FFI] Use tvm ffi as the default execution backend (#1259) · 74da3696
      Lei Wang authored
      * [Refactor] Update FFI type handling and simplify argument management
      
      * Refactored FFI type definitions in runtime and code generation files to use `TVMFFIAny` instead of `TVMValue`, enhancing type clarity.
      * Updated function registration in `runtime.cc` to utilize canonical names for better consistency.
      * Simplified argument handling in the `simplify` transformation, ensuring unused buffer parameters are removed only when simplification is enabled.
      * Adjusted autotuner and profiler parameters to standardize the execution backend to `tvm_ffi`, improving clarity in backend selection.
      * Removed obsolete `adapt_torch2tvm` function from tensor utilities to streamline the codebase and reduce complexity.
      
      * [Update] Sync TVM submodule and enhance kernel source handling
      
      * Updated the TVM submodule to commit cdc2aced, ensuring compatibility with recent changes.
      * Added functionality to print kernel source in `example_blocksparse_gemm.py` for better debugging.
      * Commented out the main execution call in test files to prevent unintended execution during testing.
      * Introduced `tilelang.disable_cache()` in various test files to streamline testing and avoid cache-related issues.
      * Refactored kernel source retrieval methods to improve clarity and consistency across different execution backends.
      
      * [Refactor] Clean up imports and improve code formatting
      
      * Removed unused import of `tilelang.testing` in `test_example_blocksparse_gemm.py` to streamline the code.
      * Reformatted several lines in `arg_binder.cc`, `make_packed_api.cc`, `tvm_ffi.py`, and `adapter.py` for improved readability and consistency.
      * Updated comments and spacing in `tvm_ffi.py` to enhance clarity without altering functionality.
      
      * Update execution backend options and improve resolution logic
      
      - Changed default execution backend from "cython" to "auto" in multiple locations to allow automatic selection based on the target.
      - Expanded the list of supported execution backends to include "torch" and "nvrtc" across various classes and functions.
      - Enhanced backend resolution logic in `KernelCache` and `AutoTuner` to ensure appropriate backend selection based on the target.
      - Updated documentation to reflect changes in execution backend options and their defaults.
      
      * lint fix
      
      * fix
      
      * Enhance argument handling in CUDA and HIP runtime modules
      
      - Updated `ExtractFuncInfo` in `rt_mod_cuda.cc` and `rt_mod_hip.cc` to map boolean argument types to int32, ensuring compatibility with device runtime.
      - Refactored `BindDLTensor` in `arg_binder.cc` to improve null handling and validation checks for DLTensor parameters, utilizing expression-level guards to prevent dereferencing null pointers.
      - Enhanced error checking for buffer shape, strides, and data fields, ensuring robust handling of optional inputs and maintaining consistency across various checks.
      
      * lint fix
      
      * lint fix
      
      * lint fix
      
      * lint fix
      
      * minor fix
      
      * fix
      
      * recover check
      
      * Refactor argument binding and validation in `arg_binder.cc`
      
      - Improved null handling and validation checks in `BindDLTensor`, ensuring safe dereferencing of pointers.
      - Enhanced consistency checks for buffer shape, strides, and data fields, utilizing expression-level guards.
      - Updated `MakePackedAPI` to maintain code clarity and consistency in argument handling.
      - Minor adjustments in test files to streamline kernel execution and improve readability.
      
      * lint fix
      
      * stride fix
      
      * minor fix
      
      * fix
      
      * lint fix
      
      * lint fix
      
      * Add CUDA stream access policy window helpers and integrate with L2 persistent cache management
      
      - Introduced functions to set and reset the CUDA stream access policy window, allowing for better control over L2 cache usage.
      - Updated runtime files to include new FFI packed functions for managing stream attributes.
      - Modified lower_hopper_intrin to incorporate prologue and epilogue statements for L2 cache setup and teardown.
      - Enhanced tests to verify the inclusion of new FFI calls in the generated kernel source.
      
      * check with symbolic
      
      * support null ptr
      
      * Update CMakeLists and lower.py for code generation and subproject status
      
      - Added `codegen_c_host.cc` to the list of source files in CMakeLists.txt for improved code generation support.
      - Updated the function call in `lower.py` to use `target.build.tilelang_c` for C target host code generation, enhancing compatibility.
      - Marked the TVM subproject as dirty to indicate local modifications.
      
      * lint fix
      
      * Update comments for clarity in quickstart.py
      74da3696
  3. 21 Oct, 2025 1 commit
    • Lei Wang's avatar
      [Language] Support tilelang `alloc_var(dtype, init=x)` (#1092) · bddb125e
      Lei Wang authored
      * - carry existing local-var initializer map into OpaqueBlockLower, reattach it to
          generated Allocates and the PrimFunc attrs
        - thread the map through FlattenBuffer and StorageRewrite so flattened/merged
          allocations keep their tl.local_var_init annotations
        - teach annotation handling to accept scalar initializers, resolve buffers, and merge
          with existing stat
      
      * lint fix
      
      * enhance
      
      * lint fix
      
      * lint fix
      bddb125e
  4. 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
  5. 21 Mar, 2025 1 commit
    • Lei Wang's avatar
      [Language] Introduce `T.alloc_var` to define a variable like `int var;` (#255) · c770a58f
      Lei Wang authored
      * [Enhancement] Add matrix multiplication functions for integer and float variables in Cython JIT
      
      - Introduced `matmul_int_variable` and `matmul_float_variable` functions to support matrix multiplication with dynamic shapes and additional parameters.
      - Implemented corresponding `run_matmul_int_variable` and `run_matmul_float_variable` functions for testing.
      - Updated test cases to validate the new matrix multiplication implementations.
      - Enhanced error handling in library initialization and compilation processes across various modules.
      - Improved dynamic memory handling in CUDA kernel initialization to provide better error reporting.
      
      * lint fix
      
      * optimize
      
      * Support var defiine
      
      * lint fix
      
      * Update TVM submodule and add alloc_variable function to allocate local variables in TileLang
      
      - Updated the TVM submodule to the latest commit.
      - Introduced `alloc_variable` function in `allocate.py` to support local variable allocation with specified data types and scopes.
      
      * lint fix
      
      * Refactor variable allocation functions for consistency
      
      - Renamed `alloc_variable` to `alloc_var` across multiple files for improved consistency.
      - Updated corresponding test functions to reflect the new naming convention.
      - Adjusted imports in `__init__.py` to align with the changes.
      c770a58f