---
id: pr-tilelang-1776
repo: tile-ai/tilelang
pr: 1776
title: '[Bugfix] Copy pass_configs dict to prevent mutation across multiple JIT compilations'
author: LeiWang1999
date: '2026-02-03'
url: https://github.com/tile-ai/tilelang/pull/1776
source_category: upstream-code
architectures:
- sm100
tags:
- matmul
techniques: []
hardware_features: []
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 5ba78185b57733881e17e19164b590c1841c97aa
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- tilelang/jit/kernel.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1776
head_ref_oid: 08ee72e2210cee98df5b5f3694331763fb186ee1
---
# [Bugfix] Copy pass_configs dict to prevent mutation across multiple JIT compilations

- Repository: `tile-ai/tilelang`
- PR: [1776](https://github.com/tile-ai/tilelang/pull/1776)
- 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

- `tilelang/jit/kernel.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1776`
