12345678device Apple M5 coop_k4 0qsa_attn_mm T 96 pos0 30000 memcmp PASS before 4.954000 after 1.536500 ms tg 6912 -> 6912pair 0 before 4.954000 after 1.535708 mspair 1 before 4.955250 after 1.536500 mspair 2 before 4.953292 after 1.542250 mspost-timing memcmp PASSmerge+prepared memcmp PASS