hn • r/hackernews
Comment on: I got tired of slow DB inserts, so I wrote a zero-syscall IPC in Go (18M TPS)
Hi Everyone,I'm sharing a library I wrote for ultra-low latency, zero-syscall Inter-Process Communication in Go.It uses Shared Memory (mmap) and a lock-free ring buffer built purely on sync/atomic, padded to 64 bytes to prevent false sharing.Some local benchmarks (Ryzen 9 7950X3D, zero allocations): - 1-to-1 delivery: ~56 ns/op (~17.5M TPS) - 3-to-1 Orchestrator pattern (multiplexing): ~51.8 ns/messageIt's cross-platform (works on Linux, Windows, macOS) and protects against process crashes using a Peek/Ack pattern (guaranteed At-Least-Once delivery) so you don't lose data if your consumer OOMs