---
id: pr-tilelang-1559
repo: tile-ai/tilelang
pr: 1559
title: '[Parallel][Infer] Free-mode chooses minimal replication between buffer-based and PlanLoopPartition'
author: LeiWang1999
date: '2025-12-30'
url: https://github.com/tile-ai/tilelang/pull/1559
source_category: upstream-code
architectures:
- sm100
tags:
- schedule
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 0f9bbd759c4ea1340db07c79c6b2d5de1981e5ba
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/op/parallel.cc
- src/op/parallel.h
- src/transform/layout_inference.cc
- testing/python/issue/test_tilelang_issue_layout.py
- tilelang/language/annotations.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1559
head_ref_oid: 5e90fb710b561fa15c43d9b7a8add60fbb57179d
---
# [Parallel][Infer] Free-mode chooses minimal replication between buffer-based and PlanLoopPartition

- Repository: `tile-ai/tilelang`
- PR: [1559](https://github.com/tile-ai/tilelang/pull/1559)
- 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

- `src/op/parallel.cc`
- `src/op/parallel.h`
- `src/transform/layout_inference.cc`
- `testing/python/issue/test_tilelang_issue_layout.py`
- `tilelang/language/annotations.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1559`
