68 lines
2.3 KiB
Rust
68 lines
2.3 KiB
Rust
use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
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use rusty_numbers::num::Unsigned;
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use rusty_numbers::{factorial, fibonacci, it_factorial, mem_fibonacci, rec_fibonacci};
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fn bench_factorial(c: &mut Criterion) {
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let mut group = c.benchmark_group("Factorials");
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for i in [0usize, 5, 10, 15, 20, 25, 30, 34].iter() {
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group.bench_with_input(BenchmarkId::new("Recursive naive", i), i, |b, i| {
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b.iter(|| factorial(black_box(*i)))
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});
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group.bench_with_input(BenchmarkId::new("Iterative", i), i, |b, i| {
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b.iter(|| it_factorial(black_box(*i)))
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});
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}
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group.finish();
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}
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fn bench_fibonacci(c: &mut Criterion) {
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let mut group = c.benchmark_group("Fibonacci");
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for i in [0usize, 10, 20, 30, 40, 50, 70, 93, 140, 186].iter() {
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group.bench_with_input(BenchmarkId::new("Recursive memoized", i), i, |b, i| {
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b.iter(|| mem_fibonacci(black_box(*i)))
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});
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group.bench_with_input(BenchmarkId::new("Iterative", i), i, |b, i| {
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b.iter(|| fibonacci(black_box(*i)))
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});
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}
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group.finish();
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let mut group = c.benchmark_group("Recursive Fibonacci");
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for i in [0usize, 10, 20, 25, 26, 27, 28, 29, 30].iter() {
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group.bench_with_input(BenchmarkId::new("Naive Recursive", i), i, |b, i| {
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b.iter(|| rec_fibonacci(black_box(*i)))
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});
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}
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group.finish();
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}
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fn bench_gcd(c: &mut Criterion) {
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let mut group = c.benchmark_group("GCD");
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let max = fibonacci(186).unwrap();
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let max_1 = fibonacci(185).unwrap();
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let med = fibonacci(93).unwrap();
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let med_1 = fibonacci(92).unwrap();
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let small = fibonacci(15).unwrap();
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let small_1 = fibonacci(14).unwrap();
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for input in [(small_1, small), (med_1, med), (max_1, max)].iter() {
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let param = format!("{},{}", input.0, input.1);
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group.bench_with_input(BenchmarkId::new("Binary", ¶m), input, |b, input| {
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b.iter(|| u128::gcd(black_box(input.0), black_box(input.1)))
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});
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group.bench_with_input(BenchmarkId::new("Euclid", ¶m), input, |b, input| {
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b.iter(|| u128::e_gcd(black_box(input.0), black_box(input.1)))
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});
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}
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group.finish();
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}
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criterion_group!(benches, bench_factorial, bench_fibonacci, bench_gcd);
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criterion_main!(benches);
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