---
id: pr-tensorrt-llm-13268
repo: NVIDIA/TensorRT-LLM
pr: 13268
title: '[https://nvbugs/6095953][fix] Fix cache memory estimation for Qwen3 hybrid models in trtllm-bench'
author: hyukn
date: '2026-04-28'
url: https://github.com/NVIDIA/TensorRT-LLM/pull/13268
source_category: upstream-code
architectures:
- sm100
tags:
- nvfp4
techniques:
- cache-policy
hardware_features:
- fp4
- nvfp4
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: be1f6f57d3befe31dbbce1e41c3a108a494f95cb
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- tensorrt_llm/bench/benchmark/utils/general.py
- tensorrt_llm/bench/build/build.py
- tensorrt_llm/bench/build/dataclasses.py
- tensorrt_llm/bench/build/tuning.py
artifact_dir: evidence/pull-bundles/tensorrt-llm/gh-13268
head_ref_oid: 68c962ace98c39dd19cd09672498eac8b4799732
---
# [https://nvbugs/6095953][fix] Fix cache memory estimation for Qwen3 hybrid models in trtllm-bench

- Repository: `NVIDIA/TensorRT-LLM`
- PR: [13268](https://github.com/NVIDIA/TensorRT-LLM/pull/13268)
- 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

- `tensorrt_llm/bench/benchmark/utils/general.py`
- `tensorrt_llm/bench/build/build.py`
- `tensorrt_llm/bench/build/dataclasses.py`
- `tensorrt_llm/bench/build/tuning.py`

## Evidence Bundle

`evidence/pull-bundles/tensorrt-llm/gh-13268`
