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Multi-turn benchmark for TurboQuant#2

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aditi-amd merged 4 commits intoaditi-amd:feat/tq-rocm-v3-sinksfrom
BowenBao:bowenbao/tq_rocm
Apr 30, 2026
Merged

Multi-turn benchmark for TurboQuant#2
aditi-amd merged 4 commits intoaditi-amd:feat/tq-rocm-v3-sinksfrom
BowenBao:bowenbao/tq_rocm

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Results: benchmarks/multi_turn_tq/BENCHMARK_REPORT.md
Instructions and skills: benchmarks/multi_turn_tq/SKILL_MULTITURN_BENCHMARK.md

Also cherry-picked vllm-project#40941, which resolves the extra 22GB memory overhead from TurboQuant.

…vllm-project#40941)

Cherry-pick from upstream PR vllm-project#40941 by Bhoomit Vasani.

Key changes:
- Remove per-layer TQ buffer allocation from attention.py
- Use WorkspaceManager for shared decode scratch buffers
- Move centroids init to lazy initialization in _ensure_on_device
- Eliminates ~3 GiB memory overhead (62 layers × 50MB → single 50MB)

Merge conflict resolution: kept sink support from feat/tq-rocm-v3-sinks

Co-Authored-By: Bhoomit Vasani <bhoomit.2010@gmail.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Signed-off-by: Bowen Bao <bowenbao@amd.com>
Signed-off-by: Bowen Bao <bowenbao@amd.com>
Signed-off-by: Bowen Bao <bowenbao@amd.com>
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@aditi-amd aditi-amd merged commit c4b4bcf into aditi-amd:feat/tq-rocm-v3-sinks Apr 30, 2026
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