llamaperf

Qwen3.8 125B (6B active) Flash-Next

on NVIDIA RTX 3060 12GB · llama.cpp · 200,000 ctx

NVIDIA hardware
Oct 2, 2026
Throughput
10.0 t/s gen · 150.0 tokens/s prompt processing (prefill)Prompt processing measures input prefill speed; it does not tell you the time to first token.
Quant
IQ4_XS (GGUF)
KV cache
q8_0
Flash Attention
on
System RAM
128 GB
VRAM reported
12 GB

Summary

User reports Qwen3.8 Flash-Next at 10 t/s decode and 150 t/s prefill on an RTX 3060 12GB with 128 GB RAM. Setup is llama.cpp with IQ4_XS GGUF and q8_0 KV cache at 200k context, with 48 MoE layers offloaded to CPU. The post is a general inference engineering guide; the figures come from the user's sample launch command for this model.