Bonsai 2 27B

User reports Bonsai 2 27B (PTQ1_0 ternary) at 42.3 t/s plain generation and 895 t/s prompt reading on an Intel Arc B580 12GB. Setup is llama.cpp's llama-bench (tg128 and pp512) on the SYCL backend with PTQ1_0 GGUF weights. With speculation, fresh code answers reach 90 t/s, renames 365 t/s, edits 258 t/s. At 48K context new code runs 63 t/s and edits 34 t/s; at 115K, 44 and 27 t/s. The user also compares against the Vulkan backend and PrismML's own fork, and reports KL divergence of 0.00022 against reference logits.