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by puzpuzpuz-hn
125 days ago
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Benchmarks for 5 concurrent hash map implementations in Go: sync.Map, xsync.Map, cornelk/hashmap, alphadose/haxmap, and orcaman/concurrent-map. Workloads: read-heavy to write-heavy (100%/99%/90%/75% reads), with and without warm-up, plus range-under-contention (iteration while a writer mutates the map). Key types: string and int. Map sizes: 100 to 1M entries. GOMAXPROCS: 1, 4, 8, 12. Results are in the README with plots and a summary table. Disclaimer: I'm the author of xsync, one of the libraries benchmarked here. I did my best to keep the benchmark fair. If you spot issues or think another library should be included, please open an issue or PR. |
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