Rayon hashmap. Nov 24, 2021 · I am trying to create a HashMap using functional programming and utilizing parallelization by rayon. It even has native rayon support, including FromParallelIterator for collect(), but that literally just uses insert. Creates an empty HashMap with the specified capacity, using hash_builder to hash the keys. The hash map will be able to hold at least capacity elements without reallocating. Apr 29, 2021 · Another option is to switch to a concurrent hash map, like dashmap. Aug 27, 2025 · I'm trying to accumulate a HashMap with results from a parallel iterator of json file string data of football matches: pub fn build (mut me: Self, raw_data: JsonFilesContentsAllRaw) -> anyhow::Result<Self> { …. If I try this without rayon, it works: use std::collections::HashMap; fn main () { let nums This module contains the parallel iterator types for hash maps (HashMap<K, V>). You will rarely need to interact with it directly unless you have need to name one of the iterator types. This module contains the parallel iterator types for hash maps (HashMap<K, V>). Parallel HashMap and HashSet for Rust. Contribute to rayon-rs/rayon-hash development by creating an account on GitHub. xrd mozbg jmpmwvlo guql vdzni weuuawcb jin hya gclbl izrgq