Qwen3.8-Flash-Next IQ3_S on Basalt | RTX 5080 16 GB, Core Ultra 9 285K, 62 GB DDR5-6800 | 262K context, int8 KV Workload (prompts 5K+) PP avg (t/s) PP peak (t/s) TG avg (t/s) TG peak (t/s) VRAM RAM (engine / left free) Agent coding session (opencode, 103 requests, up to 130K ctx) 5,011 5,118 153.0 262 15.7 GB 54.1 GB / 5.2 GB Context sweep (fresh prompts 15K-207K) 5,475 5,662 154.9 186.6 15.7 GB 54.1 GB / 5.1 GB Agent PP: the two big uncached reads (10.7K and 8K new tokens). 99.5% of prompt tokens came from the prompt cache; median time to first token 0.2 s. Agent TG peak is the best single second; the average is all generated tokens over all decode time. Sweep TG is per-request averages (384 tokens each, temp 0.7), 2 runs per depth.   submitted by   /u/yehyakar [link]   [comments]