1 use std::{collections::VecDeque, time::Instant};
3 const VECDEQUE_LEN: i32 = 100000;
4 const WARMUP_N: usize = 100;
5 const BENCH_N: usize = 1000;
8 let a: VecDeque<i32> = (0..VECDEQUE_LEN).collect();
9 let b: VecDeque<i32> = (0..VECDEQUE_LEN).collect();
11 for _ in 0..WARMUP_N {
12 let mut c = a.clone();
13 let mut d = b.clone();
17 let mut durations = Vec::with_capacity(BENCH_N);
20 let mut c = a.clone();
21 let mut d = b.clone();
22 let before = Instant::now();
24 let after = Instant::now();
25 durations.push(after.duration_since(before));
28 let l = durations.len();
31 assert!(BENCH_N % 2 == 0);
32 let median = (durations[(l / 2) - 1] + durations[l / 2]) / 2;
33 println!("\ncustom-bench vec_deque_append {:?} ns/iter\n", median.as_nanos());