---
id: pr-flashinfer-2744
repo: flashinfer-ai/flashinfer
pr: 2744
title: '[feat] Add 2048 experts and 32 Top K '
author: jiahanc
date: '2026-03-17'
url: https://github.com/flashinfer-ai/flashinfer/pull/2744
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: abf080a30ba39eefb609a6e55a2f3608ef58fabd
inclusion_reason: kernel file changes
changed_paths:
- csrc/fused_moe/trtllm_backend/routingDeepSeek/RoutingDeepSeekCommon.cuh
- csrc/fused_moe/trtllm_backend/routingDeepSeek/launchClusterKernel.cu
- csrc/fused_moe/trtllm_backend/routingDeepSeek/launchCoopKernel.cu
- csrc/fused_moe/trtllm_backend/routingDeepSeek/launchHistogramKernel.cu
- csrc/fused_moe/trtllm_backend/routingDeepSeek/launchInitExpertCounts.cu
- csrc/fused_moe/trtllm_backend/routingDeepSeek/launchMainKernel.cu
- csrc/fused_moe/trtllm_backend/routingDeepSeek/launchOffsetsKernel.cu
- csrc/fused_moe/trtllm_backend/routingRenormalize/RoutingRenormalizeCommon.cuh
- csrc/fused_moe/trtllm_backend/routingRenormalize/launchBlockKernel.cu
- csrc/fused_moe/trtllm_backend/routingRenormalize/launchClusterKernel.cu
- csrc/fused_moe/trtllm_backend/routingRenormalize/launchHistogramKernel.cu
- csrc/fused_moe/trtllm_backend/routingRenormalize/launchHistogramScoresKernel.cu
- csrc/fused_moe/trtllm_backend/routingRenormalize/launchInitExpertCounts.cu
- csrc/fused_moe/trtllm_backend/routingRenormalize/launchOffsetsKernel.cu
- csrc/fused_moe/trtllm_backend/trtllm_fused_moe_dev_kernel.cu
- csrc/fused_moe/trtllm_backend/trtllm_fused_moe_routing_deepseek.cu
- csrc/fused_moe/trtllm_backend/trtllm_fused_moe_routing_llama4.cu
- csrc/fused_moe/trtllm_backend/trtllm_fused_moe_routing_renormalize.cu
- csrc/moe_utils_binding.cu
- csrc/trtllm_fused_moe_kernel_launcher.cu
- csrc/trtllm_fused_moe_routing_deepseek.cu
- csrc/trtllm_fused_moe_routing_renormalize.cu
- csrc/trtllm_fused_moe_runner.cu
- flashinfer/jit/cpp_ext.py
- flashinfer/jit/fused_moe.py
- flashinfer/jit/moe_utils.py
- include/flashinfer/trtllm/common/cudaUtils.h
- include/flashinfer/trtllm/fused_moe/DevKernel.h
- include/flashinfer/trtllm/fused_moe/RoutingKernel.cuh
- include/flashinfer/trtllm/fused_moe/RoutingKernel.h
- include/flashinfer/trtllm/fused_moe/RoutingKernelTopK.cuh
- tests/moe/test_trtllm_gen_fused_moe.py
head_ref_oid: b14f7f89e907a786f841c489709154a2ff48e620
artifact_dir: evidence/pull-bundles/flashinfer/gh-2744
---
# [feat] Add 2048 experts and 32 Top K 

- Repository: `flashinfer-ai/flashinfer`
- PR: [2744](https://github.com/flashinfer-ai/flashinfer/pull/2744)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/fused_moe/trtllm_backend/routingDeepSeek/RoutingDeepSeekCommon.cuh`
- `csrc/fused_moe/trtllm_backend/routingDeepSeek/launchClusterKernel.cu`
- `csrc/fused_moe/trtllm_backend/routingDeepSeek/launchCoopKernel.cu`
- `csrc/fused_moe/trtllm_backend/routingDeepSeek/launchHistogramKernel.cu`
- `csrc/fused_moe/trtllm_backend/routingDeepSeek/launchInitExpertCounts.cu`
- `csrc/fused_moe/trtllm_backend/routingDeepSeek/launchMainKernel.cu`
- `csrc/fused_moe/trtllm_backend/routingDeepSeek/launchOffsetsKernel.cu`
- `csrc/fused_moe/trtllm_backend/routingRenormalize/RoutingRenormalizeCommon.cuh`
- `csrc/fused_moe/trtllm_backend/routingRenormalize/launchBlockKernel.cu`
- `csrc/fused_moe/trtllm_backend/routingRenormalize/launchClusterKernel.cu`
- `csrc/fused_moe/trtllm_backend/routingRenormalize/launchHistogramKernel.cu`
- `csrc/fused_moe/trtllm_backend/routingRenormalize/launchHistogramScoresKernel.cu`
- `csrc/fused_moe/trtllm_backend/routingRenormalize/launchInitExpertCounts.cu`
- `csrc/fused_moe/trtllm_backend/routingRenormalize/launchOffsetsKernel.cu`
- `csrc/fused_moe/trtllm_backend/trtllm_fused_moe_dev_kernel.cu`
- `csrc/fused_moe/trtllm_backend/trtllm_fused_moe_routing_deepseek.cu`
- `csrc/fused_moe/trtllm_backend/trtllm_fused_moe_routing_llama4.cu`
- `csrc/fused_moe/trtllm_backend/trtllm_fused_moe_routing_renormalize.cu`
- `csrc/moe_utils_binding.cu`
- `csrc/trtllm_fused_moe_kernel_launcher.cu`
- `csrc/trtllm_fused_moe_routing_deepseek.cu`
- `csrc/trtllm_fused_moe_routing_renormalize.cu`
- `csrc/trtllm_fused_moe_runner.cu`
- `flashinfer/jit/cpp_ext.py`
- `flashinfer/jit/fused_moe.py`
- `flashinfer/jit/moe_utils.py`
- `include/flashinfer/trtllm/common/cudaUtils.h`
- `include/flashinfer/trtllm/fused_moe/DevKernel.h`
- `include/flashinfer/trtllm/fused_moe/RoutingKernel.cuh`
- `include/flashinfer/trtllm/fused_moe/RoutingKernel.h`
- `include/flashinfer/trtllm/fused_moe/RoutingKernelTopK.cuh`
- `tests/moe/test_trtllm_gen_fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2744`
