running 1 test test engine::metal::qwen_mtplx::owner::issue116_product::issue116_normalized_token_cache ... ds4: Metal device Apple M5 Max, 128.00 GiB RAM ds4: Metal 4 tensor API enabled for Tensor kernels ds4: drift-patch flags hc_stable=on norm_unify=on kv_raw_f32=off rope_exp2_log2=off math_safe=off tensor_matmul=on ds4: Qwen reference kernels: Powered by MTPLX — https://github.com/youssofal/mtplx [qwen4_exp] ngram table: streamed from SSD (file-backed pages, hot cache 1023M, prefetch on) — resident only at >=160G RAM or MTPLX_NGRAM_RESIDENT=1 [mtplx] verify SDPA head-chunked: q_len=17 heads_per_chunk=1 chunks=24 {"case":"nfc_cache","legacy_history_tokens":92,"normalized_prompt_tokens":91,"live_old_miss":true,"disk_old_miss":true,"cold_state_exact":true,"warm_cached":93,"disk_cached":93,"warm_disk_state_exact":true} ok test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 554 filtered out; finished in 20.55s