Authenticated Hugging Face pull-through cache. Warm hits from local disk. Published EC2 benchmarks. Apache-2.0.https://pulsys.io/enhttps://pulsys.io/blog/price-of-a-model-pull/https://pulsys.io/blog/price-of-a-model-pull/What repeated model downloads cost a GPU fleet, and how far a pull-through cache can go when the warm path is engineered down to one kernel boundary crossing.Mon, 13 Jul 2026 00:00:00 GMThttps://pulsys.io/blog/darwin-warm-path-optimizations/https://pulsys.io/blog/darwin-warm-path-optimizations/An engineering journey from the default Go net/http serve loop to a perfectly fused, single-syscall cache hit on macOS.Sat, 16 May 2026 00:00:00 GMT