GitLab

* [Feature] Add FullyReplicated Fragment Layout and Enhance Layout Inference

* Introduced a new static method `FullyReplicated` in the `Fragment` class to create fully replicated fragment layouts, ensuring all threads hold identical copies of the buffer.
* Updated `CopyNode` to collect fragment layouts and mark them as fully replicated during layout inference.
* Enhanced `ParallelOpNode` to expand let bindings for fragment buffer accesses, improving layout inference accuracy.
* Added documentation for new methods and updated existing methods to support the new layout features.

* lint fix

* Remove debug logging statements from layout inference process to streamline output and improve performance.

* add curand.{curand_init, curand}

* run format.sh

* add default value for curand_init & add test for curand

* Update testing/python/language/test_rand.py

Remove unused thread binding
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

* remove unused library

* enable tilelang cache for testing

* run format.sh

* Revert "run format.sh"

This reverts commit 5afaff782f31cdf653e2c45b469da8dead228b8a.

* Revert "enable tilelang cache for testing"

This reverts commit c277a43e77938bd88d47a108dd1bd65734d4a1ae.

* Revert "remove unused library"

This reverts commit 568ad20611f039380113937fd131151a2bffd801.

* run format.sh

* ensure FreshName for __philox_state

* ensure FreshName for __philox_state

* change the return type of T.rng_init

---------
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

* [Enhancement] Update examples and tests for improved type handling and functionality

- Enhanced various example scripts to support new data types and improve compatibility with PyTorch.
- Updated tests across multiple modules to ensure correct functionality with the latest changes in type handling.
- Refactored code in examples to streamline operations and improve clarity, particularly in tensor operations and memory management.
- Added comprehensive tests for new features and fixed existing issues related to type conversions and buffer handling.

* [Refactor] Update accumulation data type to float32 across examples

- Changed accumulation data type from "float" to T.float32 in multiple example scripts to ensure consistency and improve numerical stability.
- This update affects various modules including flash attention, GEMM analysis, convolution, and deepseek MLA examples, enhancing type handling across the board.

* [Refactor] Standardize data type usage across benchmark scripts

- Updated data type definitions in benchmark scripts to use T.float16 and T.float32 consistently, enhancing clarity and type handling.
- Adjusted dtype assignments in matmul functions and configuration setups to align with the new standard.
- Improved overall code consistency and maintainability by ensuring uniform data type usage across various modules.

* [Refactor] Standardize data type usage in templates and scripts

- Updated data type definitions in various templates and scripts to use string representations (e.g., "float16", "int32") instead of T.float16 and T.int32 for improved consistency and clarity.
- Enhanced overall code maintainability by ensuring uniform data type usage across multiple modules, including convolution, elementwise operations, and matrix multiplication templates.
- This change aims to streamline type handling and improve compatibility with existing workflows.

* [Refactor] Standardize data type usage in examples and benchmarks

- Updated data type definitions in various example and benchmark scripts to use T.float16 and T.int32 consistently, enhancing clarity and maintainability.
- Adjusted dtype assignments in kernel functions and configuration setups to align with the new standard.
- Improved overall code consistency by ensuring uniform data type usage across multiple modules, including attention mechanisms, matrix multiplication, and GEMM examples.

* [Refactor] Import dtypes from language.v2 module

- Added import statement for dtypes from the language.v2 module to enhance type handling and maintain consistency across the codebase.
- This change aims to streamline data type management and improve overall code clarity.

* fix

* [Refactor] Standardize data type usage across scripts

- Updated data type definitions in various scripts to use string representations (e.g., "float16", "int8") instead of T.float16 and T.int8 for improved consistency and clarity.
- Adjusted dtype assignments in functions and configuration setups to align with the new standard, enhancing overall code maintainability.
- This change affects multiple modules, including benchmark and attention mechanisms, ensuring uniform data type usage throughout the codebase.

* [Refactor] Update data type handling for consistency and clarity

- Changed string representations of data types in the Hint class to use T.float32 and T.int32 for improved consistency.
- Added new data types "int4" and "int16" to the dtypes module, enhancing type support across the codebase.
- Updated function signatures and assertions in the lop3 and mxfp modules to utilize the new data types, ensuring uniformity in type handling.
- This refactor aims to streamline data type management and improve overall code clarity and maintainability.

* [Enhancement] Improve data type handling and error messaging

- Introduced a mapping for canonical data types to their display strings, enhancing clarity in type representation.
- Updated the dtype creation logic to utilize the new mapping, ensuring more intuitive handling of string inputs.
- Refined error messages in the lop3 module to provide clearer feedback on invalid source formats, improving debugging and user experience.

* [Fix] Correct boolean flag in GEMM SP test case

- Updated the boolean flag in the test_gemm_sp_sm90 function to ensure proper functionality in the test case.
- This change enhances the accuracy of the test and aligns it with expected behavior for the GEMM SP implementation.

* [Refactor] Standardize data type usage across scripts

- Updated data type definitions in various scripts to use T.float16 and T.bfloat16 consistently, enhancing clarity and maintainability.
- Adjusted dtype assignments in function signatures and argument parsing to align with the new standard, ensuring uniform data type usage throughout the codebase.
- This change affects multiple modules, including benchmarks and examples, improving overall code consistency and readability.

* [Refactor] Standardize data type usage in various modules

- Updated data type assignments in multiple scripts to utilize T.float32, T.int8, and T.int32 consistently, enhancing clarity and maintainability.
- Adjusted function signatures and parameter types across benchmarks, examples, and tests to align with the new standard, ensuring uniform data type usage throughout the codebase.
- This change improves overall code consistency and readability, impacting modules related to matrix multiplication, GEMM, and tensor operations.

* [Refactor] Update argument parsing for data types in benchmarks

- Changed argument parsing for data types in benchmark_matmul_intrinsic.py and benchmark_matmul_sp.py to use string representations ("float16", "int8", "float") instead of T.float16 and T.float.
- This update enhances consistency in data type handling across benchmark scripts, improving clarity and maintainability.

* [Refactor] Update data type handling in benchmark and example scripts

- Changed data type arguments in benchmark and example scripts to use string representations ("float16") instead of T.float16 for improved consistency.
- Updated function signatures and argument parsing to align with the new standard, enhancing clarity and maintainability across the codebase.
- This change affects multiple modules related to attention mechanisms and tensor operations, ensuring uniform data type usage throughout the examples.

* [Refactor] Fix data type conversion in multiple scripts

- Corrected the usage of the data type conversion method from dtype..as_torch() to dtype.as_torch() across various benchmark and example scripts.
- This change enhances consistency in data type handling and improves code readability, impacting modules related to attention mechanisms and tensor operations.

* [Refactor] Update float8 data type usage across multiple scripts

- Changed instances of T.float8_e4m3 to T.float8_e4m3fn in various benchmark, example, and test scripts to ensure consistency in data type handling.
- This update enhances clarity and maintainability across the codebase, particularly in modules related to matrix multiplication and tensor operations.

* [Refactor] Enhance float8 data type handling in CUDA code generation

- Updated the handling of float8 data types in the CUDA code generation to include additional float8 variants, improving type conversion logic.
- Adjusted conditions to ensure proper type checks for float8 conversions, enhancing clarity and maintainability in the codebase.
- Modified layout inference to streamline float8 type checks, ensuring consistency across the implementation.
- This change impacts modules related to matrix operations and CUDA code generation, improving overall type handling and conversion accuracy.

* [Refactor] Streamline float8 data type handling in CUDA and related modules

- Enhanced float8 data type handling in CUDA code generation by refining type conversion logic and ensuring consistent type checks.
- Updated layout inference for float8 types to improve clarity and maintainability across the implementation.
- This change impacts modules related to matrix operations and CUDA code generation, improving overall type handling and conversion accuracy.

* [Refactor] Remove unnecessary cache disabling in float8 example script

- Eliminated the call to tilelang.disable_cache() in example_group_per_split_token_cast_to_fp8.py to streamline the code.
- This change enhances clarity and maintainability of the example script without affecting its functionality.

* [Refactor] Update data type usage in debug print tests

- Changed the argument for dtype in the test_debug_print_buffer function from a string representation to the corresponding T.bool type.
- This update enhances consistency in data type handling within the test suite, improving clarity and maintainability.

* lint fix

* Update function parameter types from `str` to `T.dtype` for improved type safety in attention sink and related examples

* Refactor `gemv_alloc_reducer` function signature for improved readability by formatting parameters across multiple lines.

* [Refactor] Update condition for benchmarking in example_gemv.py and simplify cached library path handling in sparse.py

* [Enhancement] Extend support for float8 data types in GEMM operations

- Updated GEMM operations to recognize additional float8 data types: `float8_e4m3fn` and `float8_e5m2fnuz`.
- Refactored condition checks in `checkWgmma` methods to simplify float8 type handling.
- Adjusted test cases to ensure compatibility with the new float8 types in tile language examples.

* lint fix

* [Enhancement] Add injective layout detection and exception handling

- Introduced `DetectInjective` method in `FragmentNode` to check for injective layouts.
- Added `LoopLayoutInjectiveException` to handle errors related to non-injective layouts.
- Updated `InferLayout` methods in `ParallelOpNode` to utilize injective checks and log relevant information.
- Refactored layout inference queue management to use `std::deque` for improved performance and added prioritization logic for buffer layouts.

* remove debug print

* remove debug print

* remove debug print

* minor layout fix

* fix for T.view

* [Enhancement] Improve injective layout detection in FragmentNode

- Updated the `DetectInjective` method to handle symbolic dimensions more effectively by introducing a mechanism to collect symbolic shapes and adjust the detection level accordingly.
- Added logging for cases where the layout detection falls back to NoCheck due to symbolic dimensions.
- Minor update to the test file to include the tilelang testing module.

* [Refactor] Simplify layout inference for bulk copy operations

- Removed unnecessary conditions for bulk load/store operations in the layout inference logic.
- Streamlined the handling of layout application for bulk copy instances to enhance clarity and maintainability.

* remove debug print

* [Enhancement] Introduce layout-related exceptions and improve error handling

- Added `LayoutConflictException` and `LoopLayoutInjectiveException` classes for better exception management in layout operations.
- Updated `InferLayout` method in `ParallelOpNode` to throw `LoopLayoutInjectiveException` with detailed error information when injective layout checks fail.
- Removed redundant exception class definitions from `parallel.h` to streamline code organization.

* Refactor GEMM and Reduce operations by moving NormalizeToBufferRegion and MakeAccessPtrFromRegion to utils.{h,cc} for better code organization and reuse.

* lint fix

* Refactor region handling by removing the RegionOp and updating NormalizeToBufferRegion to only accept BufferLoad and BufferRegion. This change improves code organization and simplifies the handling of memory regions across various operations.

* fix

* Refactor memory region handling by introducing `tl.region` calls across various operations, including GEMM and fill functions. This change enhances the consistency of region management and improves code organization by utilizing utility functions for buffer region conversions.

* fix

* fix

* test fix

* lint fix

* Refactor GEMM operations to improve memory region handling by replacing `mbarPtr_` with `mbarRegion_` and updating related logic in both C++ and Python implementations. This change enhances the clarity and consistency of buffer region management.

* fix

* lint fix

* fix

* fix

* test fix

* lint fix

* lint fix

* minor fix

* fix

---------
Co-authored-by: Zhiwen Mo <zm125@ic.ac.uk>

* [Refactor] Update Vectorization Functions to Accept Analyzer Parameter

- Modified `VectorizeLoop` and related functions to accept an `arith::Analyzer` parameter, enhancing their capability to perform analysis during vectorization.
- Updated multiple instances in `copy.cc`, `fill.cc`, `parallel.cc`, and layout inference files to utilize the new analyzer parameter for improved performance and correctness.
- Ensured consistency across vectorization logic by integrating the analyzer into existing workflows, facilitating better optimization opportunities.

* [Fix] Corrected PostOrderVisit call in loop_vectorize.cc

- Updated the PostOrderVisit function to analyze the body of the loop node instead of the node itself, ensuring proper handling of nested loops during vectorization analysis.

* fix

* lint fix

* fix

* Update layout handling and introduce reshape functionality

- Updated the `LayoutNode` class to include a new `Reshape` method, allowing for dynamic reshaping of layouts based on input shapes.
- Enhanced the `OutputShape` method to provide better handling of cases where the analyzer cannot form an `IntervalSet`, implementing fallback mechanisms to ensure safe extents.
- Refactored the `ReduceOpNode` to utilize `BufferRegion` for improved memory handling during reduction operations.
- Added tests for reshaping functionality and layout transformations to ensure correctness and performance in various scenarios.

* lint fix

* Revert tvm submodule pointer to 1815c3e0b6ec4ead36370bbd1562025d8529017c; keep src unchanged

* Update tvm submodule to commit f0bbd3bf741413c35c389ba5dedd5be206000ad1

* Update tvm submodule to commit f0bbd3bf741413c35c389ba5dedd5be206000ad1

* remove useless prove

* remove comment

---------

Co-authored-by: tilelang-bot <bot@ti...

* 3rdparty tvm bump

* bump tvm into v0.22.0

* lint fix

* rebase tvm

* Update submodule tvm to latest commit 3085bc4

* Refactor: Update configuration retrieval in CopyNode and adjust test registration in tilelang

* test fix

* add requirement

* atomic_fix

* atomic_fix

* phaseout py39

* optimize

* optimize

* lint fix

* do not clean cache

* do not clean cache

* [Minor] Minor update for Python versions and dependencies

* [Lint] fix lint for py39

* [Lint] fix lint for ROCm

* [Build][CI] Sync CI changes from upstream/sdist

* [Lint] fix lint for ROCm

* [Build][CI] Update `repair-wheel-command`

* [Minor] update abi3audit result format

* [Lint] fix lint for ROCm

* [BugFix] fix build

* [Lint] fix lint for ROCm

* [BugFix] set rpath for libtvm and libtvm_runtime

* [Deps] pin apache-tvm-ffi version

* [Build] set Python 3.9 Limited API for Cython target

* [Build] set Python 3.9 Limited API for Cython target

* [Deps] Restore Python 3.8 support

* [Build] use `apache-tvm-ffi`'s `libtvm_ffi`

* [BugFix] use `;` as delimiter for RPATH on macOS

* [BugFix] use `--ignore-missing-dependencies` for `delocate-wheel`

* [Build] support `sccache` if available

* [Build] add CIBW import test

* [Build][CI] enable ccache for CIBW on Linux

* [BugFix] set rpath for libtvm and libtvm_runtime

* Revert "[Build][CI] enable ccache for CIBW on Linux"

This reverts commit cd9ab57bb5ddd2572c60bcbbebde81480a658fd3.

* [CI] fix perfbench bot

* [BugFix] use Python 3.9 to build wheel

* [Minor] update perfbench bot envs

* [BugFix] fix CIBW environment on Linux

* [CI] skip import test on CentOS 7

* [CI] use Python urllib to download file instead of Wget

---------
Co-authored-by: Xuehai Pan <XuehaiPan@pku.edu.cn>

* Enhance Cast vectorized

* Add Parallel vectorized cast test

* code lint

* merge newest commit

* [Lint] Retire `format.sh` and add `clang-tidy` to GHA workflow

* chore: update clang-tidy settings

* chore: upgrade clang-format and clang-tidy version

* lint: resolve clang-tidy errors

* [Maint] restore format.sh

* [CI] pre-commit autoupdate

* [Minor] fix `command -v` usage

* [Enhancement] Improve layout inference for local buffer handling in parallel operations

* Added logic to check if a loop only manipulates "local" buffers, which affects thread binding decisions.
* Updated the condition for determining parallel loop execution to account for local buffer stores.
* Cleaned up comments for clarity and future considerations.

* [Refactor] Clean up parallel loop condition formatting in layout inference

* Reformatted the condition for determining parallel loop execution for better readability.
* Maintained existing logic while enhancing code clarity for future modifications.

---------
Co-authored-by: Zhiwen Mo <zm125@ic.ac.uk>

* Implements tcgen05.ld instruction support for copying from shared.tmem
  to local.fragment on SM100/Blackwell architecture. Adds layout inference
  and lowering logic for tensor memory operations with proper physical
  coordinate range analysis and warpgroup alignment checks.

  Changes:
  - Add kTMemLoad and kTMemStore to CopyInst enumeration
  - Implement CheckTMemLoad() and CheckTMemStore() validation functions
  - Add LowerTmemCopy() to generate tcgen05.ld/st/cp PTX intrinsics
  - Add tmem layout inference in InferLayout() using expandTcgen05Layout
  - Support multiple instruction variants (32dp32b/64b/128b/256b)
  - Add physical layout bounds analysis for tmem coordinates
  - Change clear_accum from bool to PrimExpr in GEMM operations
  - Fix std::optional access checks in layout_inference.cc
  - Add tmem_allocate/deallocate PTX intrinsic support
  - Fix cooperative_groups grid.sync() code generation

* fix

* pipeline fix

* bug fix

* bool fix

[Layout] Introduce Flexible Parallel to Support T.serial and local buffers inside T.Parallel loop (#844)

* Support T.serial and local buffers inside T.Parallel loop.

* Fix reducer layout in T.Parallel nested inside other loops

* Debug output with LOG(INFO)

* Add disable option for WGMMA.

* fix

* Use DLOG; fix missing registration for new pass config

* bug fix

* lint fix

* Enhance GEMM instruction set with UTCMMA and improve local buffer handling in casting example

* Update format.sh shebang, improve logging in layout inference, and enhance buffer store wrapper with detailed comments

* Enhance GEMM instantiation logic and improve layout inference for local buffer detection

- Updated the GEMM instantiation logic to include a check for WGMMA compatibility, ensuring that the conditions for using WGMMA are more robust.
- Refined the layout inference process to better identify when loops manipulate only local buffers, improving the accuracy of thread binding decisions in parallel loops.

---------
Co-authored-by: Huanqi Cao <caohuanqi@deepseek.com>

* Enhance layout inference and copy operations with 1D TMA support

- Updated `CopyNode` to introduce separate handling for 1D bulk load/store operations, including new methods for checking and lowering these operations.
- Modified `InferLayout` and `GetCopyInst` to accommodate additional parameters for layout maps and analyzers.
- Enhanced `AtomicAddNode` and `FillNode` to utilize the updated layout inference logic.
- Improved buffer out-of-bounds checks during layout inference to ensure safe memory access.

This update improves the efficiency and correctness of memory operations in the TileLang framework.

* Refactor layout inference calls for improved readability

- Updated `InferLayout` calls in `AtomicAddNode`, `CopyNode`, and `FillNode` to enhance code clarity by formatting parameters across multiple lines.
- Cleaned up whitespace and formatting in `copy.h` and `layout_inference.cc` to adhere to coding standards and improve maintainability.

This refactor aims to streamline the layout inference logic and improve overall code organization.

* Fix shared tensor check in CopyNode for bulk copy operations

- Updated the condition in `CheckBulkCopy1D` to verify contiguity of `shared_tensor` instead of `dst`, ensuring correct handling of shared memory layouts during bulk copy operations.
- This change enhances the accuracy of memory operations in the TileLang framework.

* Update test_example_gdn_compilation.py to invoke test function directly

- Commented out the call to `tilelang.testing.main()` in `test_example_gdn_compilation.py` and replaced it with a direct call to `test_example_chunk_delta_bwd_compilation()`. This change simplifies the test execution flow and focuses on the specific test case.

* Enhance bulk load/store checks in CopyNode with last dimension validation

- Updated `CheckBulkLoad` and `CheckBulkStore` methods in `CopyNode` to include an optional parameter for validating the last dimension during bulk copy operations.
- Adjusted related methods `CheckBulkLoad1D` and `CheckBulkStore1D` to pass the new parameter, improving the accuracy of bulk copy checks.
- This change enhances the robustness of memory operations in the TileLang framework by ensuring compliance with dimensional requirements.

* Refactor CheckBulkLoad and CheckBulkStore methods for improved readability

- Reformatted the parameter lists of `CheckBulkLoad` and `CheckBulkStore` methods in `CopyNode` to enhance code clarity by aligning parameters across multiple lines.
- This change improves the maintainability of the code and adheres to coding standards.

* [Refactor] Update Clang-Tidy Checks and Improve Code Consistency

- Enhanced .clang-tidy configuration by adding specific checks for better bug detection and performance optimization.
- Refactored function signatures across multiple files to use `const` references for parameters, improving performance and code clarity.
- Updated various methods to ensure consistent handling of parameters, particularly in `AddPredicate`, `Substitute`, and `PlanLoopPartition` functions.
- Improved readability by replacing size checks with `empty()` method calls in several locations, ensuring clearer intent in the code.
- General code cleanup and adherence to best practices for better maintainability.

* [Refactor] Enhance Code Consistency and Clang-Tidy Configuration

- Updated .clang-tidy configuration to include additional checks for improved code quality and performance.
- Refactored function signatures across multiple files to use `const` references, enhancing performance and clarity.
- Replaced size checks with `empty()` method calls in various locations for clearer intent.
- Improved handling of parameters in several functions, ensuring consistent usage of `std::move` where applicable.
- General code cleanup to adhere to best practices and improve maintainability.

* [Refactor] Integrate Clang-Tidy Checks and Enhance Code Consistency

- Added clang-tidy checks to the format script for improved code quality assurance.
- Refactored function signatures across multiple files to consistently use `const` references, enhancing performance and clarity.
- Updated the requirements-lint.txt file to include clang-tidy as a dependency.
- General code cleanup to adhere to best practices and improve maintainability.

* [CI] Update AMD CI Workflow to Include Build Directory Creation

- Added steps to create a build directory and configure CMake with ROCm support during the format check process.
- Ensured cleanup of the build directory after the format check to maintain a clean workspace.

* [Refactor] Remove Unused Member Variables in AtomicAddNode and CopyNode

- Removed the `args_` member variable from both `AtomicAddNode` and `CopyNode` classes to streamline the code and eliminate unnecessary data members.
- This change enhances code clarity and maintainability by focusing on relevant attributes for each class.

* [Refactor] Update Clang-Tidy Integration and Code Improvements

- Modified the format script to include the `-fix` option in the clang-tidy command for automatic code fixes.
- Refactored the `AtomicAddVectorizePlanner` class to improve variable handling and consistency, including changes to member variable types and function signatures.
- Enhanced code clarity by removing unnecessary `std::move` calls and ensuring consistent usage of types across the class.
- General code cleanup to adhere to best practices and improve maintainability.

* [Refactor] Improve Parameter Handling and Consistency in AtomicAddVectorize

- Updated function signatures in `AtomicAddVectorizePlanResult` and `AtomicAddVectorizeRewriter` to use `const` references and `std::move` for better performance and clarity.
- Enhanced the `UpdateVectorSize` method to accept `const Array<PrimExpr>&` for improved efficiency.
- General code cleanup to maintain consistency and adhere to best practices.

* [CI] Add Git Submodule Initialization to CI Workflow

- Included a step to initialize and update git submodules recursively in the CI workflow.
- This change ensures that all necessary submodules are available during the format check process, improving build reliability.

* [CI] Add Git Submodule Update Step to Format Check

- Included a command to initialize and update git submodules recursively in the CI workflow during the format check process.
- This enhancement ensures that all required submodules are available, contributing to improved build reliability.

* [Refactor] Update Function Signatures in AtomicAddVectorize

- Modified the `VectorizeAtomicAdd` function signature to use `const` references for `thread_var` and `thread_bounds`, enhancing performance and code clarity.
- This change aligns with previous refactoring efforts to improve parameter handling and consistency across the codebase.

* 📝 Add docstrings to `reducer_0825`

Docstrings generation was requested by @LeiWang1999.

* https://github.com/tile-ai/tilelang/pull/757#issuecomment-3219088118



The following files were modified:

* `setup.py`
* `src/op/builtin.h`
* `src/op/finalize_reducer.cc`
* `src/op/finalize_reducer.h`
* `src/op/parallel.cc`
* `src/op/parallel.h`
* `src/op/reduce.cc`
* `src/target/codegen_cuda.cc`
* `src/tl_templates/cuda/common.h`
* `src/transform/layout_inference.cc`
* `src/transform/layout_reducer.cc`
* `src/transform/layout_reducer.h`
* `src/transform/merge_shared_memory_allocations.cc`
* `src/transform/storage_access.cc`
* `src/transform/warp_specialized_rewriter.cc`
* `testing/python/autotune/test_tilelang_autotune_with_inputs.py`
* `tilelang/engine/phase.py`
* `tilelang/language/customize.py`
* `tilelang/language/reduce.py`
* `tilelang/transform/__init__.py`

* lint fix

* lint fix

---------
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: LeiWang1999 <leiwang1999@outlook.com>

* 📝 Add docstrings to `pytile_0826`

Docstrings generation was requested by @LeiWang1999.

* https://github.com/tile-ai/tilelang/pull/763#issuecomment-3224197814



The following files were modified:

* `src/op/atomic_add.cc`
* `src/op/atomic_add.h`
* `src/op/copy.cc`
* `src/op/copy.h`
* `src/op/elem.cc`
* `src/op/elem.h`
* `src/op/gemm.cc`
* `src/op/gemm.h`
* `src/op/gemm_sp.cc`
* `src/op/gemm_sp.h`
* `src/op/operator.cc`
* `src/op/operator.h`
* `src/op/parallel.cc`
* `src/op/parallel.h`
* `src/op/reduce.cc`
* `src/op/reduce.h`
* `src/op/region.cc`
* `src/op/region.h`
* `src/transform/layout_inference.cc`
* `src/transform/lower_tile_op.cc`

* lint fix

---------
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: LeiWang1999 <leiwang1999@outlook.com>

* [Enhancement] Introduce finalize_reducer operator and layout reducer support

- Added `FinalizeReducer` operator to handle reduction finalization in the TileLang framework, allowing for efficient reduction operations.
- Implemented layout inference for local.reducer buffers, enhancing the handling of layout mappings and reducing complexity in buffer management.
- Updated `setup.py` to include logging for build directory paths, improving build process visibility.
- Enhanced atomic operations with new functions for atomic max, min, load, and store, providing more robust atomicity control in memory operations.
- Refactored parallel loop handling to incorporate reducer information, ensuring proper management of reduction operations in parallel contexts.
- Cleaned up test cases by removing unnecessary cache disabling and optimizing test parameters for better performance.

* Refactor code formatting and improve readability in multiple files

- Cleaned up whitespace in `setup.py` to enhance logging clarity.
- Reformatted `AtomicMax` and `AtomicMin` functions in `common.h` for better alignment and readability.
- Adjusted `debug_print_var` function in `debug.h` to improve code structure and maintainability.
- Enhanced readability of the `atomic_add` function in `customize.py` by breaking long lines for better clarity.

* Remove debug print statements from `copy.cc` and `inject_tma_barrier.cc` to enhance code clarity and maintainability.

* [Enhancement] Disable reuse of small arrays in shared memory allocation

- Added logic to prevent the reuse of small arrays (<= 32 bits) in `merge_shared_memory_allocations.cc`, ensuring they are lowered to registers in LLVM for improved performance and memory management.

* Refactor `setup.py` to remove duplicate logging statements and enhance clarity. Update `finalize_reducer` function documentation in `reduce.py` to include detailed parameter and return descriptions, improving code readability and maintainability.

* Refactor `finalize_reducer` and `reduce` functions to remove redundant target checks. Simplified conditionals by retaining only the `TargetIsHopper` check, enhancing code clarity and maintainability.

* bug fix

* Add thread checks workaround for replicated cases

* Remove the is_one check

* fix lint error

* lint fix

* Update autotune tests to use smaller matrix sizes for improved performance and reliability

* [Refactor] Update FinalizeReducer to FinalizeReducerOp and adjust related methods

- Refactored FinalizeReducer class to FinalizeReducerOp, updating constructor and method signatures for consistency with the new TileOperator structure.
- Enhanced layout inference and cloning methods in FinalizeReducerOpNode.
- Updated test_example_flash_attention.py to call test_example_gqa_bwd instead of tilelang.testing.main.
- Adjusted header inclusions for improved organization and clarity across multiple files.

* [Refactor] Update atomic operations in common.h and modify test_example_flash_attention.py

- Enhanced atomic operations (Add, Min, Max) in common.h to handle half and bfloat16 types more efficiently.
- Updated test_example_flash_attention.py to call test_example_gqa_bwd instead of tilelang.testing.main, improving test organization.

* [Refactor] Simplify CopyNode::LowerBulkCopy logic and update test execution

- Removed redundant checks for contiguous memory access in CopyNode::LowerBulkCopy, streamlining the logic for TMA copy operations.
- Updated test_tilelang_kernel_gemm.py to comment out the main testing function and call a specific test for i8i8i32 tensor operations instead, improving test focus.

---------
Co-authored-by: Huanqi Cao <caohuanqi@deepseek.com>
Co-authored-by: Freebase6912 <amid-gauze-racing@duck.com>

* Refactor operator classes to inherit from TileOperator and update layout inference methods

- Changed base class of several operator classes (AtomicAdd, Copy, Gemm, etc.) from Operator to TileOperator for better alignment with tile operations.
- Updated InferLayout and Lower methods to use 'override' specifier for clarity and consistency.
- Adjusted header inclusions to replace "op.h" with "operator.h" across multiple files for improved organization.
- Added missing layout inference implementations for Fill and Conv2DIm2ColOp.
- Removed deprecated op.cc and op.h files to streamline the codebase.

* lint fix

* Refactor operator classes to use Node pattern and improve memory management

- Updated several operator classes (AtomicAdd, Copy, Gemm, etc.) to utilize the Node pattern for better memory management and encapsulation.
- Changed constructors to initialize member variables through a node object, enhancing clarity and reducing direct member access.
- Updated Clone methods to return TileOperator instances instead of unique pointers, aligning with the new design.
- Refactored InferLayout and Lower methods to ensure consistency across operator implementations.
- Adjusted header files to reflect the new class structure and removed deprecated code for a cleaner codebase.

* Enhance Clone methods in AtomicAdd and Copy classes to support parallel operation cloning

- Updated the Clone methods in AtomicAddNode and CopyNode to ensure that the parallel operation (par_op_) is properly cloned when defined, improving the integrity of cloned objects.
- Refactored the FillNode class to use ParallelOp directly instead of std::make_unique, streamlining the creation of parallel operations.
- Made minor adjustments in layout inference and other related methods for consistency and clarity.

* Refactor FillNode::Lower method to remove unused global function call

- Eliminated the call to the global function "tl.fill.lower" in the FillNode::Lower method, streamlining the code and improving clarity.
- Retained the core functionality of the method while enhancing maintainability by reducing unnecessary dependencies.

* Implement new free stage layout inference.

* Fix bug

* Make replication upcasting and unnormalizable iterators safe.

* Better handling of updating with more replica

* Remove unnecessary check.

* Fix compilation.

* Fix setup.py.

* Simplify development mode.

* Allow ParallelOp layout when there's already a compatible layout specified

* lint fix

* Add ProveFragmentContains function to validate thread access between small and large fragments

This function checks if the threads accessing elements of a smaller fragment are a subset of those accessing a larger fragment, ensuring valid access during updates. The implementation includes deriving thread indices, computing logical indices, and verifying thread mappings.

* Update dependencies in requirements files

* Remove 'thefuzz' from requirements-dev.txt
* Specify exact versions for 'torch' and add 'flash_attn' in requirements-test.txt

* Update CI workflow to use SHA256 hash for requirements file

* Update requirements and CI workflow for flash attention

* Removed specific version for 'torch' in requirements-test.txt
* Added installation of 'flash_attn==2.5.8' in CI workflow to ensure compatibility

* Refactor flash attention import handling in examples

* Removed availability checks for 'flash_attn' in multiple example scripts.
* Simplified import statements for 'flash_attn' to ensure consistent usage across examples.

---------
Co-authored-by: Huanqi Cao <caohuanqi@deepseek.com>

**Summarize part of the rebase pr:**

1. **Support T.thread_return() → CUDA return syntax**  
   Added support for translating `T.thread_return()` to CUDA's native `return` statement.

2. **Dynamic type support for function inputs**  
   Functions now accept dynamically typed parameters using `typing`:
   ```python
   dyn_type = T.int32 or T.float
   @T.prim_func
   def main(
       a: dyn_type,
   )
   ```

3. **Device Function Codegen**  
   Added support for generating `__device__` functions in CUDA:
   ```python
   @I.ir_module
   class Module:
       @T.prim_func(private=True)
       def add(a: T.int32, b: T.int32) -> T.int32:
           return a + b

       @T.prim_func
       def main(
           A: T.Buffer((128, 128), "int32"),
           B: T.Buffer((128, 128), "int32"),
           C: T.Buffer((128, 128), "int32"),
       ):
           T.func_attr({"global_symbol": "main"})
           length: T.int32 = Module.add(64, 64)  # Host call
           for bx in...

[BugFix] Do not modify strict layout in common or relax level of layout inference. More conditions on layout checking (#653)

* [BugFix] Do not modify strict layout in common or relax level of layout inference. More conditions on layout checking

* Lint

* test fix

* Update CI workflow to install dependencies without user site packages

- Modified the installation commands in the CI workflow to include the `--no-user` flag for both `requirements-dev.txt` and `requirements-test.txt`, ensuring that packages are installed in the virtual environment rather than the user site directory.

* Update CI workflow to install pip without user site packages

- Added the `--no-user` flag to the pip installation command in the CI workflow for both development and testing dependencies, ensuring that packages are installed within the virtual environment.

* Update requirements-test.txt

* reduce ci problem size,

* Refactor example_mla_decode.py for consistent formatting and remove unused imports in test_example_mla_decode.py

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

* [Refactor] Add parallel loop transform

* done format check

* pull 3rdparty repo

* Refactor loop variable handling in transformation utilities

- Updated the logic in `loop_parallel_transform_utils.h` to simplify the handling of related loop variables.
- Removed the check that enforced a single related loop variable, replacing it with a return statement when multiple variables are detected, enhancing clarity and maintainability of the transformation process.

* Update loop_parallel_transform_utils.h

* Refactor loop variable handling in transformation utilities

- Enhanced the logic in `loop_parallel_transform_utils.h` to improve clarity and maintainability by simplifying the handling of related loop variables.
- Replaced the previous enforcement of a single related loop variable with a return statement for multiple variables detected.

* remove disable cache flag as commit id has been key component

* lint fix

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

* Refactor layout inference by removing the ParallelLoopTransformer class. Updated layout inference logic to streamline buffer access collection and condition handling in parallel loops. This change simplifies the code structure and enhances maintainability.

* Update MHA backward test cases to use reduced dimensions for batch size and context length

* [Enhancement] Improve debug output formatting in layout and fragment nodes

- Updated the `DebugOutput` methods in `LayoutNode` and `FragmentNode` to provide more structured and informative output, including transformation details and thread range information.
- Enhanced layout inference logic in `ParallelOp` to add predicates for cross-thread shared memory access, improving layout handling in parallel operations.
- Minor adjustment in `layout_inference.cc` to ensure clarity in parallel loop handling.

* lint fix

- Introduced a `strict_layout_map` to enhance layout inference by ensuring that buffers with strict layout requirements are properly accounted for during the inference process.
- Updated the inference logic to check for the presence of buffers in the `strict_layout_map` before applying layout changes, improving the accuracy of layout assignments.
- Refactored the layout inference steps to include the copying of layouts into the new strict map, ensuring a clear separation of layout handling based on inference levels.

* Add tf32 casting functionality to GEMM templates

- Introduced a `cast_float_to_tf32` function to convert float32 values to tfloat32 format across gemm_sm80, gemm_sm89, and gemm_sm90 templates.
- Implemented conditional casting in relevant sections of the GEMM operations to ensure compatibility with tfloat32 types.
- Enhanced the handling of tensor views to support the new casting logic, improving performance and accuracy in matrix operations.

* lint fix

* Refactor tfloat32 casting logic in GEMM templates

- Replaced the `is_tfloat32` boolean with `need_tfloat32_cast` to improve clarity and accuracy in determining when to cast float32 to tfloat32.
- Updated relevant sections in `gemm_sm80`, `gemm_sm89`, and `gemm_sm90` to utilize the new casting logic, enhancing compatibility with tfloat32 types.
- Ensured consistent application of casting across tensor views, improving performance and correctness in matrix operations.

* Refactor GEMM template functions for improved readability

- Simplified the function signature of `body_rs` in both `gemm_sm80` and `gemm_sm90` templates for better clarity.
- Adjusted the casting logic in `gemm_sm90` to ensure consistent application of `cast_float_to_tf32` across tensor views, enhancing performance and maintainability.

* Enhance tf32 casting logic in GEMM templates

- Updated the `cast_float_to_tf32` function in `gemm_sm80`, `gemm_sm89`, and `gemm_sm90` to conditionally apply the casting only if the input is finite, improving robustness.
- Simplified the `need_tfloat32_cast` logic to clarify the conditions under which tfloat32 casting is required, enhancing code readability and maintainability.

* Refactor GEMM template functions and layout inference logic

- Removed the `cast_float_to_tf32` function from `gemm_sm90` and updated the `body_sr` function to streamline the casting process for tensor views, enhancing code clarity and maintainability.
- Improved layout inference in `layout_inference.cc` by adding checks for the layout map's definition, ensuring robustness in handling layout annotations.
- Simplified the handling of layout maps in the `annotate_layout` function, allowing for more flexible layout definitions and error handling.

* Enhance Layout

* strict update

* lint fix

* Refactor layout inference by removing unnecessary logging statements in `parallel.cc` and `layout_inference.cc`. This cleanup enhances code readability and reduces log clutter during layout inference steps.

* lint fix

* Refactor file copying logic in setup.py to simplify directory creation and file copying process. Removed unnecessary existence check before copying source files to the target directory.

* Added a new attribute `kPaddingMap` in `builtin.h` for managing padding annotations.
* Enhanced `SafeMemorysRewriter` to utilize an annotated padding map for buffer stores, improving memory access safety.
* Implemented checks in `layout_inference.cc` to ensure buffers are correctly referenced during layout mapping.
* Introduced a new test file for validating the padding annotation functionality in TileLang.

* [Refactor] Rename `jit` class to `_JitImplementation` and improve debug path handling

* Refactored the `jit` class to `_JitImplementation` for clarity and encapsulation.
* Enhanced handling of `debug_root_path` to ensure it is correctly set as an absolute path when provided.
* Updated the public `jit` function to serve as a decorator interface, allowing for both default and configured usage.
* Added validation to ensure input tensors are contiguous in the Cython wrapper, improving error handling.

* [Refactor] Improve formatting and handling in `_JitImplementation` and `jit` function

* Refactored the `_JitImplementation` class to enhance readability by adjusting comment formatting and consolidating conditions for setting `debug_root_path`.
* Updated the `jit` function signature for better alignment and clarity in parameter definitions.
* Ensured consistent spacing and comments throughout the code for improved maintainability.

* [Refactor] Update GEMM test parameters for performance optimization

* Set num_stages to 0 and adjusted matrix dimensions in the GEMM test function to enhance performance and consistency across tests in test_tilelang_jit_gemm.py.
* Reduced the number of threads used in the test to align with the updated configuration, improving overall test efficiency.

* [Refactor] Enhance buffer error logging in layout inference

* Updated the warning message in layout inference to provide clearer context when a buffer cannot be inferred due to its absence in the use list. This change improves the clarity of error reporting during layout inference operations.
* Refactored tensor handling in the Cython wrapper to ensure input tensors are checked for contiguity before processing, enhancing error handling and robustness in tensor management.

* bugfix

* [Refactor] Enhance makeGemmFragmentB to support transposition

* Updated the `makeGemmFragmentB` function to include a `transposed` parameter, allowing for flexible layout generation based on matrix transposition.
* Adjusted layout calculations for both transposed and non-transposed cases to ensure correct fragment generation.
* Modified the function signature in `layout.h` and updated all relevant calls in `gemm.cc` to accommodate the new parameter.
* Added a new `matmul_sr` function in the test suite to validate the behavior of the updated fragment generation with transposition support.

* [Refactor] Enhance makeGemmFragmentA and makeGemmFragmentB for transposition support

* Updated the `makeGemmFragmentA` and `makeGemmFragmentB` functions to include a `transposed` parameter, allowing for flexible layout generation based on matrix transposition.
* Adjusted layout calculations for both transposed and non-transposed cases to ensure correct fragment generation.
* Modified function signatures in `layout.h` and updated all relevant calls in `gemm.cc` to accommodate the new parameter.
* Added a new `matmul_rs` function in the test suite to validate the behavior of the updated fragment generation with transposition support.
*

* Improve error messaging in layout equality checks

* Enhanced the error output in layout equality checks to provide clearer context by adding line breaks for better readability in the debug output.
* This change ensures that when layouts are structurally unequal, the current and previous layouts are displayed more distinctly, aiding in debugging.

* [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.

* [Enhancement] Introduce thread range management in layout and operation handling

* Added `SetThreadRange` method to `FragmentNode` for managing thread ranges.
* Updated `LayoutNode::Inverse` to provide more informative error messages.
* Refactored layout inference and operation lowering to utilize `thread_bounds` instead of `block_size`, enhancing flexibility for thread management.
* Introduced new tests for tilelang operations to validate thread range functionality and ensure correctness in parallel execution scenarios.

* lint fix

* [Refactor] Improve thread variable handling in layout inference and operation lowering

* Removed workaround for undefined thread_var in layout inference, ensuring proper handling of thread bounds.
* Updated logic to define thread bounds based on the presence of thread_var, enhancing robustness in thread management.
* Refactored thread_var initialization in lower_tile_op to maintain consistency across the codebase.

* [Refactor] Update thread variable handling in layout inference and operation lowering

* Refactored thread variable checks to ensure bounds are only accessed when defined, improving safety and clarity.
* Initialized thread_var with a default range to prevent undefined behavior.
* Updated logic in lower_tile_op to align with new thread variable handling, enhancing consistency across the codebase.

* Update CI configuration to run pytest with automatic parallelization using the '-n auto' option.

* Enhance Cython JIT Adapter Compilation Logic

- Improved the locking mechanism during the compilation of the Cython JIT adapter to prevent race conditions.
- Added checks to determine if another process has already compiled the library, reducing unnecessary recompilation.
- Cleaned up the code by removing redundant imports and ensuring proper handling of temporary files during compilation failures.
- Updated vectorization logic in loop_vectorize.cc to allow optional simplification of vectorized expressions.

This update enhances performance and reliability in the JIT compilation process.

* lint fix

* Update CI configuration to run pytest with 4 parallel jobs instead of auto-detection

* Add pytest markers for serial execution in MHA tests

- Added @pytest.mark.serial to multiple MHA test functions to ensure they run sequentially.
- This change improves test reliability by preventing potential race conditions during execution.

* Update TVM submodule and enhance vectorization logic in loop_vectorize.cc

- Updated the TVM submodule to the latest commit.
- Modified the vectorization logic to include optional simplification of vectorized expressions and added checks to ensure the usage of vectorized variables, improving performance and reliability in expression handling.

* Remove @pytest.mark.serial from multiple MHA test functions to allow parallel execution. This change enhances test performance by enabling concurrent test runs while maintaining reliability.

* Remove tvm_simplify_test.py file, eliminating the test for expression simplification in TVM. This cleanup helps streamline the codebase by removing unused test cases.

* Remove unused pytest import from test_tilelang_kernel_mha.py to streamline the test file.

* lint fix

* Update TVM submodule and refine vectorization logic in loop_vectorize.cc

- Updated the TVM submodule to the latest commit.
- Adjusted the return statements in loop_vectorize.cc to improve expression handling and ensure consistency in the visitor pattern.

* Refactor vectorization logic in loop_vectorize.cc

- Removed the check for the usage of the vectorized variable in the vectorization logic, simplifying the expression handling.
- This change enhances the clarity and efficiency of the vectorization process.

* Enhance vectorization checks in loop_vectorize.cc

- Added a check to ensure the vectorized expression uses the vectorized variable, improving the robustness of the vectorization logic.
- This change refines the expression handling and ensures that only valid vectorized expressions are processed.

* Implement non-local buffer checks for loop vectorization in layout_inference.cc

- Added logic to check for non-local buffer loads and stores before applying vectorization to loops. This enhancement ensures that vectorization is only applied when appropriate, improving the correctness of the loop transformations.

* Refactor buffer handling in pipeline planning and layout inference

- Renamed GlobalCopyPatternDetector to BufferRegionCollector for clarity and updated its logic to collect buffer read/write regions.
- Enhanced the handling of conditional expressions in pipeline planning, allowing for better management of stages related to conditional statements.
- Improved the processing of buffer regions during read/write operations, ensuring accurate tracking of buffer usage across different stages.

* Refactor vectorization checks in loop_vectorize.cc

- Removed the check for the usage of the vectorized variable in the vectorization logic, simplifying the expression handling.
- This change enhances the clarity and efficiency of the vectorization process, ensuring that valid vectorized expressions are processed without unnecessary checks.

* make it python 3.8- happy

* [Enhancement] Improve loop partitioning and vectorization logic in layout inference and loop vectorization

- Enhanced the VisitStmt_ method to support local buffer handling in parallel loops, allowing for register usage without explicit thread binding.
- Updated loop vectorization logic to simplify expressions and ensure accurate vector size calculations, improving performance and clarity in the vectorization process.

* lint fix

* [Feature] Implement ParallelLoopTransformer for enhanced loop analysis

- Introduced the ParallelLoopTransformer class to improve the handling of parallel loops in layout inference.
- Enhanced the analysis of loop variables and their extents, allowing for more accurate index range calculations.
- Added a BufferAccessCollector to gather buffer access information, ensuring correct index mapping and condition handling.
- Updated the LayoutInference pass to utilize the new transformer, improving overall performance and accuracy in loop transformations.

* test fix

* Fix typo in buffer variable documentation and enhance loop variable handling in layout inference. Added checks for related loop variables and improved condition handling for index mapping.

* Refactor loop variable handling in layout inference. Updated loop index variable from `i` to `j` for clarity and improved condition handling for index mapping by replacing `indices[i]` with `index` in predicate construction.