---
id: pr-tilelang-1972
repo: tile-ai/tilelang
pr: 1972
title: '[Bugfix] Fix CuTeDSL autotune cache invalid ELF header (#1967)'
author: kurisu6912
date: '2026-03-31'
url: https://github.com/tile-ai/tilelang/pull/1972
source_category: upstream-code
architectures:
- sm100
tags:
- compiler_runtime
- cuda backend
- memory_primitives
- scheduler_autotune
techniques:
- autotuning
- cache-policy
- tile-scheduling
hardware_features: []
kernel_types:
- compiler
- memory
- scheduler
languages:
- cuda-cpp
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: 8c3b043076b00c4ae5ffc27196b2457e095a56ab
inclusion_reason: 'Treat compiler/runtime integration as part of the kernel: launch wrapper, cache/JIT behavior, generated code, and build flags need tests.'
changed_paths:
- testing/python/autotune/test_tilelang_autotune_cutedsl_cache.py
- tilelang/autotuner/param.py
- tilelang/jit/kernel.py
- tilelang/language/dtypes.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1972
head_ref_oid: b635bf91ce18d5fda08e9f39f7a9485f982e5310
---
# [Bugfix] Fix CuTeDSL autotune cache invalid ELF header (#1967)

- Repository: `tile-ai/tilelang`
- PR: [1972](https://github.com/tile-ai/tilelang/pull/1972)
- Decision: `Treat compiler/runtime integration as part of the kernel: launch wrapper, cache/JIT behavior, generated code, and build flags need tests.`
- Reason: Treat compiler/runtime integration as part of the kernel: launch wrapper, cache/JIT behavior, generated code, and build flags need tests.

## Changed Paths

- `testing/python/autotune/test_tilelang_autotune_cutedsl_cache.py`
- `tilelang/autotuner/param.py`
- `tilelang/jit/kernel.py`
- `tilelang/language/dtypes.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1972`
