---
id: pr-flashinfer-1588
repo: flashinfer-ai/flashinfer
pr: 1588
title: 'refactor: use allocator class for workspace buffer allocation'
author: yyihuang
date: '2025-08-27'
url: https://github.com/flashinfer-ai/flashinfer/pull/1588
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 8aa4bba9aa6b576af9cc12b531c9716f62993ff6
inclusion_reason: defer
changed_paths:
- csrc/trtllm_fmha_kernel_launcher.cu
- flashinfer/decode.py
- flashinfer/prefill.py
- flashinfer/sparse.py
- tests/test_trtllm_gen_attention.py
- tests/test_trtllm_gen_mla.py
artifact_dir: evidence/pull-bundles/flashinfer/gh-1588
head_ref_oid: 27bc35d5485d4416d004050bdd3b8695cbd34eed
---
# refactor: use allocator class for workspace buffer allocation

- Repository: `flashinfer-ai/flashinfer`
- PR: [1588](https://github.com/flashinfer-ai/flashinfer/pull/1588)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `csrc/trtllm_fmha_kernel_launcher.cu`
- `flashinfer/decode.py`
- `flashinfer/prefill.py`
- `flashinfer/sparse.py`
- `tests/test_trtllm_gen_attention.py`
- `tests/test_trtllm_gen_mla.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1588`
