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Hash the token after each block so EAGLE-family drafters can reuse the last matched prefix-cache block instead of dropping it. KV connectors keep the legacy hashes; disable_lookahead_block_hashes opts out. Split from vllm-project#50897. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: zjy0516 <riverclouds.zhu@qq.com>
Signed-off-by: zjy0516 <riverclouds.zhu@qq.com> # Conflicts: # vllm/v1/core/kv_cache_utils.py # vllm/v1/engine/core.py
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: zjy0516 <riverclouds.zhu@qq.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: zjy0516 <riverclouds.zhu@qq.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: zjy0516 <riverclouds.zhu@qq.com>
Signed-off-by: Dakai An <dakaian108@gmail.com>
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Review-only copy for side-by-side reading. Not for merge.
lookahead-hash-core, head86a47da888), part 1 of 2 split from [Core][Spec Decode] Add lookahead-aware prefix cache hashing for EAGLE-style draft models vllm-project/vllm#50897mainat105605b8e9;mainof this fork is fast-forwarded to the same commit, so the diff below is only the PR's own changes (20 files, +927/-145).