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vllm-omni/benchmarks/tts/edge_results/README.md
T
tzhouamandClaude Fable 5.1 b70207f57f [Edge][WP0] Add offline streaming-latency benchmark for chunked TTS
Adds benchmarks/tts/stream_latency_bench.py (AsyncOmni driver reusing the
Qwen3-TTS example's prompt builder; --model override, warm-up/repeat,
--init-only, per-chunk arrivals, peak RSS and per-process GPU memory) and
benchmarks/tts/stream_latency_metrics.py (TTFA, underrun-free playback start,
stall at TTFA, RTF streamed/total, chunk gaps, percentiles) with CPU unit
tests. Results go under benchmarks/tts/edge_results/stream_latency/.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
2026-09-09 10:24:53 +08:00

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# Edge benchmark results
Committed JSON produced by the edge branch benchmarks (kept small; WAVs are never committed):
- `stream_latency/<model>/<deploy>/<timestamp>[_tag].json` — `stream_latency_bench.py` output (schema 1): `meta` (model, deploy config, git SHA, GPU), `init` (`init_s`, optional init timeline), `resources` (peak RSS, peak GPU MiB, sampling mode), `requests[]` (per-chunk arrivals, TTFA, playback-start, stall at TTFA, RTF streamed / total) and `summary` (p50/p90/max).
- `init_profile/<timestamp>/summary.json` — `init_profile.py` comparison of initialization phases per configuration.
- `hw_emulation/`, `scheduling/` — per-work-package comparison tables.
Metric definitions live in `benchmarks/tts/stream_latency_metrics.py`.