---
id: pr-flashinfer-2913
repo: flashinfer-ai/flashinfer
pr: 2913
title: '[NVIDIA] fix(jit): enable GDC for CUTLASS fused MoE PDL — prevent random crashes on SM12x'
author: johnnynunez
date: '2026-04-01'
url: https://github.com/flashinfer-ai/flashinfer/pull/2913
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp8
- gemm
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types:
- gemm
- moe
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: b12d3449de76650ddea58e3d91c07fcf6a780c4f
inclusion_reason: kernel file changes
changed_paths:
- csrc/nv_internal/tensorrt_llm/cutlass_extensions/include/cutlass_extensions/arch/grid_dependency_control.h
- flashinfer/jit/fused_moe.py
- flashinfer/jit/gemm/fp8_blockscale.py
head_ref_oid: b9d21ec635e206978fc7d070eeae84e946a9a3e5
artifact_dir: evidence/pull-bundles/flashinfer/gh-2913
---
# [NVIDIA] fix(jit): enable GDC for CUTLASS fused MoE PDL — prevent random crashes on SM12x

- Repository: `flashinfer-ai/flashinfer`
- PR: [2913](https://github.com/flashinfer-ai/flashinfer/pull/2913)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/nv_internal/tensorrt_llm/cutlass_extensions/include/cutlass_extensions/arch/grid_dependency_control.h`
- `flashinfer/jit/fused_moe.py`
- `flashinfer/jit/gemm/fp8_blockscale.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2913`
