2 Commits

Author	SHA1	Message	Date
fanyang	37f742272b	bench: support mimalloc/jemalloc allocator in cpu_hotspot_ring example ... Add #[global_allocator] behind feature flags so the bench can test different allocators. Previously the example used glibc malloc by default (easytier-core.rs sets jemalloc/mimalloc only for the bin target, not examples). Benchmark (4 threads, 1400B, 15s, clone mode): glibc: 246K pps, 3.13us/pkt jemalloc: 246K pps, 3.21us/pkt mimalloc: 242K pps, 3.25us/pkt All within noise. Single-threaded clone has low malloc contention; ~1500B small allocs are served efficiently by all tcaches.	2026-06-28 18:03:11 +08:00
fanyang	79035ea972	perf(hotpath): add cpu_hotspot_ring bench and send-chain optimization plan ... - Add measure_all to PeerMap and CidrSet impl blocks (hotpath::measure_all) - Add [profile.hotpath] for samply-compatible builds (strip=false, debug=line-tables-only) - Add cpu_hotspot_ring example: 2-node ring tunnel with data-plane flooding (~234K pps) - Add plans/006-send-chain-cpu-optimization.md based on hotpath+samply 423M sample analysis Key findings: dashmap redundancy (14.9%), metrics overhead (8.3%), mpsc (14.1%) Target: reduce send_msg_internal from 3.26us to ~2us per packet	2026-06-28 12:45:05 +08:00