llamaperf

Qwen3.8 27B

on 2× NVIDIA RTX 5060 Ti 16GB · llama.cpp · 131,072 ctx

Tone: positiveNVIDIA hardware
Sep 7, 2026
Throughput
50-55 t/s gen · 850-890 tokens/s prompt processing (prefill)Prompt processing measures input prefill speed; it does not tell you the time to first token.
Quant
Q6_K (GGUF)
KV cache
Q8
VRAM reported
32 GB

Use cases

creative-writing

Summary

User reports Qwen3.8 27B generating a GTA-style game, with prompt processing of ~850-890 t/s for 25k tokens and generation typically 50-55 t/s, peaking at 197 t/s with ngram speculative decoding. Setup is llama.cpp with ngram and MTP draft, a Q8 KV cache, and 128k context. User is enthusiastic about the results.