38h of study audio from a PDF textbook: Qwen3.8 + 5x Irodori-TTS on an RTX 4090

Qwen3.8 restored 625k chars of mangled PDF text; 5 Irodori-TTS workers on one RTX 4090 gave 38h of audio at 13x realtime. Plus an 18x reasoning_effort win and the cuInit 999 check for dead RunPod hosts.