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Diffstat (limited to 'app/backends/sglomni/configs/qwen3_tts_1_7b.yaml')
| -rw-r--r-- | app/backends/sglomni/configs/qwen3_tts_1_7b.yaml | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/app/backends/sglomni/configs/qwen3_tts_1_7b.yaml b/app/backends/sglomni/configs/qwen3_tts_1_7b.yaml index 4f7706d..b9cb5ec 100644 --- a/app/backends/sglomni/configs/qwen3_tts_1_7b.yaml +++ b/app/backends/sglomni/configs/qwen3_tts_1_7b.yaml @@ -1,2 +1,23 @@ +# Qwen3-TTS 1.7B Base with a pinned AR-engine memory budget. +# +# The upstream pipeline (Qwen3TTSPipelineConfig) colocates its three stages +# (preprocessing -> tts_engine -> vocoder) in one process on GPU 0 and leaves +# the engine's sglang mem_fraction_static unset: the static pool (weights + +# KV cache) is auto-sized to nearly all free VRAM at boot. On a 24 GB card +# that leaves only tens of MiB free once the engine's CUDA graphs (~1.5 GB) +# and the colocated vocoder are resident — the first /v1/audio/speech request +# aborts with "CUDA out of memory. Tried to allocate ~100 MiB" and every +# retry fails identically (the weights themselves are small: 1.7B bf16). +# +# 0.70 pins the static pool at ~70% of the card (~16.5 GB on a 24 GB GPU — +# a KV pool far larger than any narration request needs) and leaves ~7 GB +# for the vocoder, CUDA graphs, transient allocations, and other GPU +# processes. Precedent: dots_tts.yaml pins this same knob; zonos2_bf16.yaml +# and higgs_audio_v3_tts.yaml fix the same 24 GB OOM class their way. config_cls: Qwen3TTSPipelineConfig model_path: Qwen/Qwen3-TTS-12Hz-1.7B-Base + +stages: + tts_engine: + engine: + mem_fraction_static: 0.70 |