{"rule":"gp-os-open-hot","case":"open_once","role":"after","go":"go1.27.3","median_ms":0.031917,"ops":2000,"ratio":1.000000,"ts":"2026-10-23T12:22:34Z"}
{"rule":"gp-os-open-hot","case":"open_each_iter","role":"before","go":"go1.27.3","median_ms":14.717375,"ops":2000,"ratio":461.113983,"ts":"2026-10-23T12:22:34Z"}
