---
id: pr-tensorrt-llm-13595
repo: NVIDIA/TensorRT-LLM
pr: 13595
title: '[None][feat] Enable EPLB for DeepSeek-V4'
author: Barry-Delaney
date: '2026-04-29'
url: https://github.com/NVIDIA/TensorRT-LLM/pull/13595
source_category: upstream-code
architectures:
- sm100
tags:
- arch_pipeline
- attention_kv
- benchmark_test
- blackwell
- cutlass
- fp8
- gemm_quant
- moe
- moe_routing
- nvfp4
techniques:
- fine-grained-quantization
- kernel-fusion
- pipeline-stages
hardware_features:
- blackwell
- fp4
- fp8
- nvfp4
kernel_types:
- attention
- gemm
- moe
- runtime
languages:
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: 3957bb9df2f2c9ffcfd66032f0762143372511f1
inclusion_reason: Preserve page/KV/layout and plan-run contracts; profile memory traffic separately from math utilization.
changed_paths:
- tensorrt_llm/_torch/models/modeling_deepseekv4.py
- tensorrt_llm/_torch/modules/fused_moe/moe_load_balancer.py
- tensorrt_llm/tokenizer/deepseek_v4/tokenizer.py
- tests/integration/defs/accuracy/test_llm_api_pytorch.py
- tests/integration/test_lists/test-db/l0_dgx_b200.yml
artifact_dir: evidence/pull-bundles/tensorrt-llm/gh-13595
head_ref_oid: ad2da1885cd49624c8124bae9bbd7c539a078b2f
---
# [None][feat] Enable EPLB for DeepSeek-V4

- Repository: `NVIDIA/TensorRT-LLM`
- PR: [13595](https://github.com/NVIDIA/TensorRT-LLM/pull/13595)
- Decision: `Preserve page/KV/layout and plan-run contracts; profile memory traffic separately from math utilization.`
- Reason: Preserve page/KV/layout and plan-run contracts; profile memory traffic separately from math utilization.

## Changed Paths

- `tensorrt_llm/_torch/models/modeling_deepseekv4.py`
- `tensorrt_llm/_torch/modules/fused_moe/moe_load_balancer.py`
- `tensorrt_llm/tokenizer/deepseek_v4/tokenizer.py`
- `tests/integration/defs/accuracy/test_llm_api_pytorch.py`
- `tests/integration/test_lists/test-db/l0_dgx_b200.yml`

## Evidence Bundle

`evidence/pull-bundles/tensorrt-llm/gh-13595`
