llamaperf

Bonsai 2 Ternary 27B CRACK / PQ2_0 / idle resident peer / code r1

on AMD Strix Halo 128GB · Prism llama.cpp 1a07bfa5 + input-sync patch / HIP · 262,144 ctx

AMD hardware
Oct 13, 2026
Throughput
22.3 t/s gen · 214.2 tokens/s prompt processing (prefill)Prompt processing measures input prefill speed; it does not tell you the time to first token.
Quant
PQ2_0 (GGUF)
KV cache
Q4
Flash Attention
on
MTP (Multi-Token Prediction)
off
System RAM
128 GB

Summary

User reports Bonsai 2 at 22.3 t/s generation and 214.2 t/s prompt processing on an AMD Strix Halo 128GB machine. Setup is PrismML-Eng/llama.cpp with PQ2_0 weights, Q4_0 K/V cache, full GPU offload, flash attention, one slot and 262144 context on a single Ryzen AI MAX+ 395 APU with 128 GB unified memory. The figure is the idle-peer fixed-prefix run with 524 input and 256 output tokens; the source gives 22.25989819108211 t/s and 214.23028774725407 t/s.