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perfect hash

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DeWu Technology

Mar 31, 2025 · Mobile Development

Analyzing and Optimizing iOS dyld BuildingClosure to Reduce Startup Time

The DeWu Tech article dissects iOS’s dyld BuildingClosure stage, shows how hash‑collision‑laden selector strings inflate its runtime, and demonstrates that renaming the colliding selectors reduces perfect‑hash iterations, cutting the phase’s duration by roughly 80% and noticeably speeding up app startup.

dyldiOSperfect hash

0 likes · 11 min read

Analyzing and Optimizing iOS dyld BuildingClosure to Reduce Startup Time

Tencent Cloud Developer

Aug 18, 2022 · Fundamentals

Perfect Hash Functions and Their Use in High‑Performance HashMaps

The article explains perfect hash functions, their collision‑free construction methods such as FCH, CHD, and PTHash, compares them to conventional hash tables, reviews common and cryptographic hash functions, and shows how read‑only perfect‑hash maps deliver faster lookups and lower memory use for static key sets.

Data Structurealgorithmbenchmark

0 likes · 21 min read

Perfect Hash Functions and Their Use in High‑Performance HashMaps