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Allocate kv_cache with stride order#16605

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vllm-bot merged 2 commits intovllm-project:mainfrom
wenscarl:cache_alloc_w_stride
Apr 26, 2025
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Allocate kv_cache with stride order#16605
vllm-bot merged 2 commits intovllm-project:mainfrom
wenscarl:cache_alloc_w_stride

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@wenscarl wenscarl commented Apr 14, 2025 •
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Allow KV cache manager to support an stride order to the allocation which the attention backend could provide. Mainly affect Flashinfer backend. Ref. #8200
@tlrmchlsmth @LucasWilkinson

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github-actions bot commented Apr 14, 2025

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LucasWilkinson reviewed Apr 15, 2025
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Thanks for doing this! this is looking much better! Left a few nits, please also fix the pre-commit failures

tlrmchlsmth
tlrmchlsmth reviewed Apr 15, 2025
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@wenscarl wenscarl force-pushed the cache_alloc_w_stride branch 3 times, most recently from 7cd508d to 8a6c7fe Compare April 16, 2025 14:27
LucasWilkinson
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@wenscarl wenscarl requested a review from LucasWilkinson April 16, 2025 14:58
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LGTM, thanks for the contribution!

@wenscarl wenscarl force-pushed the cache_alloc_w_stride branch from c13e5d6 to 343378f Compare April 22, 2025 15:02
@simon-mo simon-mo added the ready ONLY add when PR is ready to merge/full CI is needed label Apr 22, 2025
@simon-mo simon-mo enabled auto-merge (squash) April 22, 2025 16:42
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mergify bot commented Apr 23, 2025

This pull request has merge conflicts that must be resolved before it can be
merged. Please rebase the PR, @wenscarl.

https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/syncing-a-fork

@mergify mergify bot added the needs-rebase label Apr 23, 2025
auto-merge was automatically disabled April 23, 2025 14:58

Head branch was pushed to by a user without write access

@wenscarl wenscarl force-pushed the cache_alloc_w_stride branch from 18d6e6e to aba3c45 Compare April 23, 2025 15:06
@mergify mergify bot removed the needs-rebase label Apr 23, 2025
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DarkLight1337 commented Apr 24, 2025

Can you merge from main to fix docker build?

@wenscarl wenscarl force-pushed the cache_alloc_w_stride branch from aba3c45 to 33d5969 Compare April 24, 2025 15:38
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wenscarl commented Apr 24, 2025

Can you merge from main to fix docker build?

Done.

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DarkLight1337 commented Apr 25, 2025

Please check whether the failing kernels test is related to this PR

@wenscarl
Reduce test size
a48be76 
Signed-off-by: shuw <shuw@nvidia.com>
@wenscarl wenscarl force-pushed the cache_alloc_w_stride branch from 7dbc7ef to a48be76 Compare April 25, 2025 14:46
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wenscarl commented Apr 25, 2025 •
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Please check whether the failing kernels test is related to this PR

Only test_cache.py failure is related. Fixed by reducing tensor size to avoid OOM. The spec-decoding tests should be irrelevant.

@LucasWilkinson LucasWilkinson enabled auto-merge (squash) April 25, 2025 18:05
@vllm-bot vllm-bot merged commit 9e96f56 into vllm-project:main Apr 26, 2025
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jikunshang pushed a commit to jikunshang/vllm that referenced this pull request Apr 29, 2025
@wenscarl
Allocate kv_cache with stride order (vllm-project#16605)
9babeeb 
Signed-off-by: shuw <shuw@nvidia.com>
lk-chen pushed a commit to lk-chen/vllm that referenced this pull request Apr 29, 2025
@wenscarl @lk-chen
Allocate kv_cache with stride order (vllm-project#16605)
cd76bd1 
Signed-off-by: shuw <shuw@nvidia.com>
adobrzyn pushed a commit to HabanaAI/vllm-fork that referenced this pull request Apr 30, 2025
@wenscarl @adobrzyn
Allocate kv_cache with stride order (vllm-project#16605)
a85d450 
Signed-off-by: shuw <shuw@nvidia.com>
Signed-off-by: Agata Dobrzyniewicz <adobrzyniewicz@habana.ai>
RichardoMrMu pushed a commit to RichardoMrMu/vllm that referenced this pull request May 12, 2025
@wenscarl
Allocate kv_cache with stride order (vllm-project#16605)
3fc39f0 
Signed-off-by: shuw <shuw@nvidia.com>
Signed-off-by: Mu Huai <tianbowen.tbw@antgroup.com>
@ckhordiasma ckhordiasma mentioned this pull request May 14, 2025
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zzzyq pushed a commit to zzzyq/vllm that referenced this pull request May 24, 2025
@wenscarl
Allocate kv_cache with stride order (vllm-project#16605)
726e0c3 
Signed-off-by: shuw <shuw@nvidia.com>
Signed-off-by: Yuqi Zhang <yuqizhang@google.com>
@NickLucche NickLucche mentioned this pull request May 27, 2025
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@gronsti-amd gronsti-amd mentioned this pull request May 28, 2025
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@NickLucche NickLucche mentioned this pull request Jun 6, 2025
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