---
id: pr-vllm-17945
repo: vllm-project/vllm
pr: 17945
title: '[v1] Support multiple KV cache groups in GPU model runner'
author: heheda12345
date: '2025-05-15'
url: https://github.com/vllm-project/vllm/pull/17945
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: e60f550b3825cbce2d3c7e882b029e2c1d914d8d
inclusion_reason: kernel file changes
changed_paths:
- tests/v1/core/test_kv_cache_utils.py
- tests/v1/core/test_prefix_caching.py
- tests/v1/worker/test_gpu_input_batch.py
- tests/v1/worker/test_gpu_model_runner.py
- tests/weight_loading/models.txt
- vllm/distributed/kv_transfer/kv_connector/v1/shared_storage_connector.py
- vllm/v1/attention/backends/flashinfer.py
- vllm/v1/attention/backends/mla/rocm_aiter_mla.py
- vllm/v1/core/kv_cache_manager.py
- vllm/v1/core/kv_cache_utils.py
- vllm/v1/core/sched/output.py
- vllm/v1/core/sched/scheduler.py
- vllm/v1/kv_cache_interface.py
- vllm/v1/worker/block_table.py
- vllm/v1/worker/gpu_input_batch.py
- vllm/v1/worker/gpu_model_runner.py
- vllm/v1/worker/tpu_model_runner.py
head_ref_oid: 7190ba4697b9a9110fc7691ee647f69221827877
artifact_dir: evidence/pull-bundles/vllm/gh-17945
---
# [v1] Support multiple KV cache groups in GPU model runner

- Repository: `vllm-project/vllm`
- PR: [17945](https://github.com/vllm-project/vllm/pull/17945)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/v1/core/test_kv_cache_utils.py`
- `tests/v1/core/test_prefix_caching.py`
- `tests/v1/worker/test_gpu_input_batch.py`
- `tests/v1/worker/test_gpu_model_runner.py`
- `tests/weight_loading/models.txt`
- `vllm/distributed/kv_transfer/kv_connector/v1/shared_storage_connector.py`
- `vllm/v1/attention/backends/flashinfer.py`
- `vllm/v1/attention/backends/mla/rocm_aiter_mla.py`
- `vllm/v1/core/kv_cache_manager.py`
- `vllm/v1/core/kv_cache_utils.py`
- `vllm/v1/core/sched/output.py`
- `vllm/v1/core/sched/scheduler.py`
- `vllm/v1/kv_cache_interface.py`
- `vllm/v1/worker/block_table.py`
- `vllm/v1/worker/gpu_input_batch.py`
- `vllm/v1/worker/gpu_model_runner.py`
- `vllm/v1/worker/tpu_model_runner.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-17945`
