File size: 1,207 Bytes
3da88e3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | {
"id": "qk-fc2-cache",
"change_class": "exact",
"hypothesis": "A 512 MiB free-allocator cache can remove the small physical-footprint regression of the fused path while retaining its speed. It cannot reduce live model memory.",
"candidate_config": {
"kernel": "metal-exact",
"tune_matmul": true,
"allocator_cache_gb": 0.5
},
"control_allocator_cache_gb": 1,
"reject_if": "Full declared quality/timing/memory contract fails; do not change gates or pool samples from other campaigns.",
"screen_before_full": "Real compiled block at both cache limits; no GPU concurrency.",
"bounded_search": "One additional full-image finalist at most, within original 120-minute and 5GiB global budget. No inference-code edits until current benchmark completes.",
"result": {
"decision": "rejected-at-block-screen",
"evidence": "reports/optimization-r3/cache-screen.json",
"slowdown_pct": 1.6453551990850412,
"cache_1_peak_physical_bytes": 2387051720,
"cache_05_peak_physical_bytes": 2581791944,
"accuracy": "all BF16 block outputs identical",
"scope": "Isolated real first block; does not establish whole-image behavior. No allocator-limit change shipped."
}
}
|