* [Refactor]: Change the params in pytest to avoid oom error during ci
* format
* fix
* Update test_example_cast.py
* Update parameters in test_example_cast
* Update test_example_flash_attention.py
* update
* format
* fix
* fix
* format
* Fix CopyNode Lower method to include disable_tma flag in GetCopyInst call
* Refactor flash attention implementation to disable TMA for specific copy and allow TMA for other operations
* attempt to fix lint
* Enhance format script to automatically install tools in need
* Add judgement for small `h_q` in MLA decode examples to improve robustness
* Allow scale as a param in MLA decode examples for better generality
* Fix typo
* 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>
* [Refactor] Update tilelang kernel functions and remove unused imports
- Refactored the `flashattn_fwd`, `flashattn_bwd_preprocess`, and `flashattn_bwd_postprocess` functions to utilize direct kernel calls instead of cached versions, improving clarity and performance.
- Added `@tilelang.jit` decorators with specified output indices to enhance kernel compilation.
- Removed unused import of `cached` from `tilelang`, streamlining the code.
- Commented out the main testing function call in `test_tilelang_kernel_mha_bwd.py` for potential future use.
* [Refactor] Simplify configuration generation in benchmark and example scripts
- Refactored the `get_configs` functions in multiple benchmark and example scripts to utilize a dictionary-based approach for parameter configuration, improving readability and maintainability.
- Updated the `flashattn` and `chunk_scan_fwd` functions to directly accept configuration parameters, enhancing flexibility in kernel tuning.
- Removed redundant code and streamlined the configuration generation process across various files, ensuring consistency in how configurations are defined and utilized.
* [Refactor] Update configuration handling in benchmark scripts
- Refactored the `get_configs` functions in benchmark scripts to accept a variable argument list, improving flexibility in configuration management.
- Enhanced the `matmul` and `flashattn` functions to utilize the updated configuration approach, streamlining parameter handling for kernel tuning.
- Added `@autotune` decorators to relevant functions, ensuring consistent autotuning behavior across benchmarks.
- Cleaned up redundant code and improved overall readability in the affected files.
* [Refactor] Clean up formatting and update subproject commit
- Updated the subproject commit reference in the TVM directory to indicate a dirty state.
- Removed unnecessary blank lines and improved formatting in the `benchmark_matmul` and `benchmark_matmul_fp8` scripts for better readability.
- Streamlined the function definitions in the `flashattn` example script to enhance clarity and maintainability.
* [Refactor] Update AutoTuner configuration handling
- Modified the AutoTuner class to check if kernel parameters are set before processing tunable arguments, improving robustness in configuration handling.
- Enhanced the logic for skipping compilation when tunable parameters are already provided, ensuring efficient use of resources.
- Updated comments for clarity and maintainability.
* lint fix
* Update TVM subproject commit to indicate dirty state and modify MHA backward test cases
- Updated the subproject commit reference in the TVM directory to reflect a dirty state.
- Adjusted the `test_mha_bwd` function to use a new configuration for the MHA backward tests, changing the context size from 128 to 256.
- Uncommented the main testing function call for potential execution.
* [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>
* [CI] Add flash_decoding example to CI
* Add output of ref latency
* format example_gqa_decode.py
* [BugFix] Fix precision issue in GQA decode when block_N exceeds seqlen/num_split
* format example_gqa_decode.py
* [Enhancement] Introduce pass_configs parameter for kernel compilation
* Added a new `pass_configs` parameter to the `tilelang.compile` function to allow for more flexible kernel compilation configurations.
* Updated related classes and methods to accommodate the new parameter, ensuring compatibility across the codebase.
* Enhanced the `torch_assert_close` function to include customizable tensor names for better debugging output.
* Refactored input handling in example scripts to streamline the process of obtaining inputs for kernel execution.
* lint fix
- Added a manual seed for reproducibility in PyTorch.
- Refactored local variable allocations for better memory management.
- Enhanced parallel processing in the flashattn function to improve performance.
- Updated layout annotations for clarity and efficiency.
These changes optimize the flash attention mechanism and ensure consistent behavior across runs.
* [Dynamic Symbolic] Adaptively vectorize with different condition expressions
* Format
* Format
* Format
* Format
* Add MIT License headers to Python files
* Simplify return statement in loop vectorization
---------
Co-authored-by: Lei Wang <34334180+LeiWang1999@users.noreply.github.com>
* Remove logging statement from LoopVectorizerDynamic Substitute method for cleaner output.
* Refactor flashattn example to improve CUDA configuration handling
- Updated the `flashattn` function in `example_gqa_decode.py` to utilize a heuristic configuration based on CUDA device capabilities, enhancing compatibility with different architectures.
- Replaced local variable allocations with more efficient constructs and removed unnecessary logging statements for cleaner output.
- Adjusted the `do_bench` method call to streamline performance profiling.
* lint fix
* [Enhancement] Add support for CUDA architecture 8.9 in GEMM template
- Introduced conditional inclusion of "gemm_sm89.h" for CUDA architectures 8.9 and above, enhancing compatibility with newer hardware.
- This change ensures that the GEMM template can leverage optimizations specific to the 8.9 architecture, improving performance for users with compatible GPUs.
* lintfix
* [Refactor] Clean up includes in gemm_sm89.h
- Removed duplicate inclusion of "common.h" and added "cuda_fp8.h" for improved clarity and organization.
- This change enhances the maintainability of the code by ensuring that header files are included only once and in a logical order.
* [Enhancement] Improve KernelCache with in-memory caching and detailed docstrings
- Added an in-memory cache to the KernelCache class to enhance performance by reducing disk access.
- Updated the __new__ method to initialize the memory cache and added logic to check the cache before loading from disk.
- Enhanced docstrings across multiple methods to provide clearer explanations of parameters and return values, improving code readability and maintainability.
- Implemented a clear_cache method to clear both in-memory and disk caches, ensuring efficient cache management.
* lint fix
* typofix
* [Refactor] Update matmul and flashattn function calls to return structured results
- Modified the matmul and flashattn function calls to return a single object containing latency, configuration, and reference latency, improving code clarity and reducing the number of returned variables.
- Updated all relevant instances in benchmark and example scripts to accommodate the new return structure, ensuring consistent usage across the codebase.
* lint fix
* [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.
* [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.
* fix tune args
* lint
* Refactor gemm example and autotuner logging
- Updated `ref_program` in `example_gemm.py` to return the result of matrix multiplication instead of modifying an input parameter.
- Changed logging filename in `__init__.py` from 'out.log' to 'autotuner.log' for better clarity.
- Modified JIT kernel compilation process to include `out_idx` directly in the adapter creation, enhancing flexibility.
- Improved validation of `result_idx` in `BaseKernelAdapter` to ensure it falls within valid bounds.
* Refactor `ref_program` in `benchmark_matmul_intrinsic.py` to use the `@` operator for matrix multiplication instead of `torch.matmul`, simplifying the implementation by removing the unused parameter `C`.
---------
Co-authored-by: LeiWang1999 <leiwang1999@outlook.com>
- Add non-split flash attention macro for more flexible kernel generation
- Implement `main_no_split` function to handle single-split scenarios
- Modify kernel selection logic to dynamically choose between split and non-split implementations
* 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: Ubuntu <dlisuser@h100testl730RPS.xu5snccwrbtejcqqalluoku5hb.xx.internal.cloudapp.net>
* Add DeepSeek MLA decode example with Flash Attention implementation
* Add GEMM SplitK and StreamK example implementations
This commit introduces two new example scripts demonstrating advanced GEMM (matrix multiplication) techniques:
- `example_tilelang_gemm_splitk.py`: Implements a Split-K GEMM kernel using TileLang
- `example_tilelang_gemm_streamk.py`: Implements a Stream-K GEMM kernel using TileLang
Both examples showcase different parallel computation strategies for matrix multiplication, with comprehensive testing using PyTorch reference implementations.
* Refactor GEMM SplitK and StreamK example implementations
Clean up and improve code formatting for the SplitK and StreamK GEMM example scripts:
- Remove unused import (Profiler) in splitk example
- Simplify line breaks and improve code readability
- Standardize indentation and remove unnecessary whitespace
- Optimize atomic add and copy operations for better clarity
* Add block sparse attention benchmarks for multiple libraries
This commit introduces comprehensive block sparse attention benchmarks for different libraries:
- TileLang block sparse FMHA implementation
- Triton block sparse FMHA implementation
- PyTorch reference block sparse FMHA implementation
- FlashAttention dense FMHA reference implementation
The benchmarks include:
- Configurable benchmark parameters (batch size, heads, sequence length, etc.)
- Sparse mask generation using top-k and threshold methods
- Performance measurement for different sparse attention configurations
- Utility functions for mask generation and benchmarking
* Refactor block sparse attention benchmarks with code style improvements
- Add Ruff linter ignore comments to benchmark files
- Improve code formatting and line breaks
- Remove unused imports
- Standardize print statement formatting
- Enhance code readability across multiple library benchmarks
* lint fix
* Add CUDA atomic operations for BFLOAT16 and update function naming
- Implement AtomicAdd functions for BFLOAT16 and BFLOAT16x2 in CUDA common header
- Rename existing atomic add functions to use PascalCase (atomicAdd -> AtomicAdd)
- Add a new __pack_nv_bfloat162 function for packing BFLOAT16 values
- Update kernel and language customization to use new function names
- Add return type annotations in profiler module
* lint fix
* Add example for Group Query Attention (GQA) forward pass using Flash Attention in TileLang
This commit introduces a new example script `example_gqa_fwd_bshd.py` that demonstrates:
- Group Query Attention (GQA) implementation
- Flash Attention forward pass
- Performance benchmarking
- Configurable parameters for batch, heads, sequence length, and dimension
- Autotuning support
- Reference implementation comparison
* Refactor IR lowering pipeline into modular phases
This commit introduces a new module `phase.py` to modularize the IR lowering process by splitting the complex lowering pipeline into two distinct phases:
- `LowerAndLegalize`: Handles initial IR legalization and transformation
- `OptimizeForTarget`: Applies target-specific optimizations
The changes simplify the lowering logic in multiple files by extracting the transformation steps into reusable functions, improving code readability and maintainability.
* lintfix
* nas kernel
* Enhance Native Sparse Attention Examples with Code Improvements and Parameter Updates
- Updated example_tilelang_nsa.py and example_triton_nsa.py with code formatting and style improvements
- Increased default number of heads and selected blocks in TileLang NSA example
- Added Ruff linter ignore comments to reference.py
- Standardized function signatures and improved code readability across NSA implementations
* Add utility math functions for integer operations
- Implement `next_power_of_2()` to calculate the next power of 2 for an integer
- Add `cdiv()` function for ceiling division of integers
* Add utility math functions for integer operations
- Implement `next_power_of_2()` to calculate the next power of 2 for an integer
- Add `cdiv()` function for ceiling division of integers
* Refactor DeepSeek MLA Decode Example with Enhanced Flash Attention Implementation
- Update flash attention kernel to support positional embeddings (PE)
- Modify reference implementation to handle PE and group query attention
- Increase default batch size and adjust benchmarking parameters
- Improve kernel performance and readability
- Add einops and torch operations for more flexible tensor manipulation
* Update README.md with corrected Flash MLA Decoding example path
- Modify the example link for Flash MLA Decoding to point to the correct directory
- Ensure accurate navigation to the DeepSeek MLA decoding example
* [CI][Test] Add test cases for tilelang transform MultiVersionBuffer and WarpSpecialized
* Relax the mismatch ratio restrictions in the flash_linear_attention and mha tests
* [Dev] Add mha backward example
* [Dev] Add mla decode example
* bug fix
* Add triton impl
* Add gqa decode example
* [Dev] Add GQA decode example
* lint
* delete unused triton example
* set default profiler to 'auto'
* [Dev] Add FlashDecoding example
* [CI][Test] Add test cases for tilelang kernel convolution
* [CI][Test] Add test cases for tilelang kernel FlashAttention
* Reduce the number of stages to ensure the shared memory allocation is valid
* Temporarily remove the dim128 case
* lint
* update einops in requirements-dev.txt
* update einops in requirements-test.txt
* remove einops in requirements-dev.txt
