DevLobstersabout 2 hours ago
C++ Lookup Reaches Billion Queries Per Second
6 min read
Computer science professor Daniel Lemire presents a C++ library at P99 CONF 2026 that achieves one billion lookups per second on an Apple M4 chip. The method uses compile-time perfect hash functions to reach 1.3 ns per lookup, which is thirteen times faster than the standard library. The work involves Francisco Geiman Thiesen from Microsoft.
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