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[Platform] Do not raise error if _Backend is not found #12023

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merged 2 commits into from
Jan 15, 2025

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wangxiyuan
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@wangxiyuan wangxiyuan commented Jan 14, 2025

Part of #11162

The out-of-tree platform may have a different _Backend for attention backend. Ignore the error if the input _Backend is not the one in-tree.

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attn_backend = backend_name_to_enum(attn_backend.get_name())
if attn_backend in {_Backend.FLASH_ATTN, _Backend.FLASH_ATTN_VLLM_V1}:
attn_backend = _Backend.XFORMERS
backend = backend_name_to_enum(attn_backend.get_name())
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Rename here to make lint check happy

@wangxiyuan wangxiyuan force-pushed the _backend_refactor_1 branch 2 times, most recently from 9439f9e to edb061b Compare January 14, 2025 11:29
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LGTM now!

@DarkLight1337 DarkLight1337 enabled auto-merge (squash) January 14, 2025 11:30
@github-actions github-actions bot added the ready ONLY add when PR is ready to merge/full CI is needed label Jan 14, 2025
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Please update the test to avoid the CI failure.

Signed-off-by: Mengqing Cao <[email protected]>
@DarkLight1337 DarkLight1337 enabled auto-merge (squash) January 15, 2025 09:41
@DarkLight1337 DarkLight1337 merged commit 3adf0ff into vllm-project:main Jan 15, 2025
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ice-tong pushed a commit to ice-tong/vllm that referenced this pull request Jan 18, 2025
…12023)

Signed-off-by: wangxiyuan <[email protected]>
Signed-off-by: Mengqing Cao <[email protected]>
Co-authored-by: Mengqing Cao <[email protected]>
Signed-off-by: ice-tong <[email protected]>
joennlae pushed a commit to 44ai-labs/vllm that referenced this pull request Jan 19, 2025
…12023)

Signed-off-by: wangxiyuan <[email protected]>
Signed-off-by: Mengqing Cao <[email protected]>
Co-authored-by: Mengqing Cao <[email protected]>
joennlae pushed a commit to 44ai-labs/vllm that referenced this pull request Jan 19, 2025
…12023)

Signed-off-by: wangxiyuan <[email protected]>
Signed-off-by: Mengqing Cao <[email protected]>
Co-authored-by: Mengqing Cao <[email protected]>
jikunshang pushed a commit to jikunshang/vllm that referenced this pull request Jan 21, 2025
…12023)

Signed-off-by: wangxiyuan <[email protected]>
Signed-off-by: Mengqing Cao <[email protected]>
Co-authored-by: Mengqing Cao <[email protected]>
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3 participants