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Parallelize binary-splitting using rayon::join

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This commit is contained in:
Eric Lynema
2025-12-20 23:23:56 -05:00
parent ed5c349796
commit 73d5325203
1 changed files with 4 additions and 2 deletions
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6
src/main.rs
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@@ -1,5 +1,6 @@
use clap::Parser;
use rug::{Float, Integer, ops::Pow};
use rayon::join;
use std::fs::File;
use std::io::Write;
use std::path::PathBuf;
@@ -40,8 +41,9 @@ fn bs(a: u64, b: u64) -> (Integer, Integer, Integer) {
return (p, q, t);
}
let m = (a + b) / 2;
let (p1, q1, t1) = bs(a, m);
let (p2, q2, t2) = bs(m, b);
let (left, right) = join(|| bs(a, m), || bs(m, b));
let (p1, q1, t1) = left;
let (p2, q2, t2) = right;
let p = (&p1 * &p2).into();
let q = (&q1 * &q2).into();
let t1q2: Integer = (&t1 * &q2).into();