EngineX/xc-llm-ascend
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6 Commits

Author SHA1 Message Date
wujinyuan1
4a3663327b [Refactor]7/N Extract common code to common_cp (#5490) 
RFC: https://github.com/vllm-project/vllm-ascend/issues/4629
Reason：
Eliminate duplicate code for two file(mla_cp.py attention_cp.py) to
common_cp.py.

vLLM version: 0.13.0rc3
vLLM main:
ad32e3e19c

vLLM version: release/v0.13.0
vLLM main:
5fbfa8d9ef

- vLLM version: v0.13.0
- vLLM main:
5326c89803

---------

Signed-off-by: wujinyuan1 <wjy9595@qq.com>
Signed-off-by: wujinyuan1 <wujinyuan1@huawei.com>
Co-authored-by: wujinyuan1 <wjy9595@qq.com>
 2026-01-05 17:41:12 +08:00
Qiu
96775a27a8 [refactor](UT,PCP,DCP) refactor pcp&dcp patches in UTs (#5505) 
### What this PR does / why we need it?
Refactor PCP & DCP patches in UTs: Merge and reuse communication groups
and communication function patches to reduce code duplication.
### Does this PR introduce _any_ user-facing change?
No
- vLLM version: v0.13.0
- vLLM main:
45c1ca1ca1

Signed-off-by: QiuChunshuo <qiuchunshuo@huawei.com>
 2026-01-05 09:05:45 +08:00
Qiu
7c210225a2 [Perf][PCP][DCP] add multi-stream for GQA to enable computation-communication overlap (#5382) 
### What this PR does / why we need it?
This PR adds multi-stream for GQA to enable computation-communication
overlap. For chunked prefill, we reduce TTFT by approximately 4%.

### Does this PR introduce _any_ user-facing change?
No

- vLLM version: release/v0.13.0
- vLLM main:
bc0a5a0c08

---------

Signed-off-by: QiuChunshuo <qiuchunshuo@huawei.com>
 2026-01-04 16:33:18 +08:00
Feng Liu
49838d4bec [Perf] vectorize PCP/DCP loops in attention_cp.py (#4944) 
### What this PR does / why we need it?
- Add explicit .contiguous() after permute/view to ensure mem-friendly
layout
- Replace nested PCP/DCP Python loops with fully vectorized tensor
operations

- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

---------

Signed-off-by: F.Liu <liufeng248@huawei.com>
Co-authored-by: F.Liu <liufeng248@huawei.com>
 2025-12-22 11:06:19 +08:00
pichangping
06f33540c4 [UT]add the UT of pcp and dcp in the attention_cp file (#5054) 
### What this PR does / why we need it?
add the UT of pcp and dcp in the attention_cp file
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?

- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

---------

Signed-off-by: pichangping <1337510399@qq.com>
 2025-12-17 09:11:33 +08:00
zengzengran
6029bea480 [UT]add pcp dcp ut (#4949) 
### What this PR does / why we need it?
Adding UT for DCP/PCP

-vLLM version: v0.12.0
-vLLM main:
ad32e3e19c

Signed-off-by: zengran <zengran2@huawei.com>
 2025-12-15 18:41:38 +08:00