### What this PR does / why we need it?
GQA chunk prefill with pcp and dcp support long-prefill-token-threshold
The markdown format results is as below:
| dataset | version | metric | mode | vllm-api-general-chat |
|----- | ----- | ----- | ----- | -----|
| gsm8kdataset | - | accuracy | gen | 96.13 |
- vLLM version: v0.11.0
- vLLM main:
2918c1b49c
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Signed-off-by: Delphine-Nic <tanwenqin@huawei.com>
Signed-off-by: Delphine-Nic <t00608739@china.huawei.com>
Co-authored-by: Delphine-Nic <tanwenqin@huawei.com>
Co-authored-by: Delphine-Nic <t00608739@china.huawei.com>