---
id: pr-tilelang-1923
repo: tile-ai/tilelang
pr: 1923
title: Support ptr-table grouped GEMM kernels
author: LeiWang1999
date: '2026-03-12'
url: https://github.com/tile-ai/tilelang/pull/1923
source_category: upstream-code
architectures:
- sm100
tags:
- matmul
techniques: []
hardware_features: []
kernel_types:
- gemm
languages:
- cuda-cpp
captured_at: '2026-05-16'
status: merged
merge_sha: bdbb32c99bb42f4e3c3f6e8e966adce28d6fb62b
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- examples/grouped_gemm/example_grouped_gemm_fwd_ptr.py
- src/transform/inject_pipeline.cc
- src/transform/thread_storage_sync.cc
- testing/python/language/test_tilelang_language_ptr.py
- testing/python/transform/test_tilelang_transform_thread_sync.py
- tilelang/language/__init__.py
- tilelang/language/proxy.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1923
head_ref_oid: 8d6ce2d9fa255a689b209d1078ab3b49dc310024
---
# Support ptr-table grouped GEMM kernels

- Repository: `tile-ai/tilelang`
- PR: [1923](https://github.com/tile-ai/tilelang/pull/1923)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `examples/grouped_gemm/example_grouped_gemm_fwd_ptr.py`
- `src/transform/inject_pipeline.cc`
- `src/transform/thread_storage_sync.cc`
- `testing/python/language/test_tilelang_language_ptr.py`
- `testing/python/transform/test_tilelang_transform_thread_sync.py`
- `tilelang/language/__init__.py`
- `tilelang/language/proxy.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1923`
