---
id: pr-tilelang-1600
repo: tile-ai/tilelang
pr: 1600
title: Add conversion from cutlass::float_e4m3/e5m2 to tl::float_e4m3/e5m2
author: LJC00118
date: '2026-01-04'
url: https://github.com/tile-ai/tilelang/pull/1600
source_category: upstream-code
architectures:
- sm100
tags:
- cute
- cutlass
techniques: []
hardware_features: []
kernel_types: []
languages:
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: 32aec8a4340ef111d2ac63d01469fe124c26a07a
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/tl_templates/cuda/common.h
artifact_dir: evidence/pull-bundles/tilelang/gh-1600
head_ref_oid: e4f36f9683765bd06f6ab193f7a9b200fdea7b4d
---
# Add conversion from cutlass::float_e4m3/e5m2 to tl::float_e4m3/e5m2

- Repository: `tile-ai/tilelang`
- PR: [1600](https://github.com/tile-ai/tilelang/pull/1600)
- 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/tl_templates/cuda/common.h`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1600`
