source:
benchmark/mutexC/rust.rs@
567a75f
| Last change on this file since 567a75f was 51493a4, checked in by , 6 years ago | |
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| File size: 547 bytes | |
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| 1 | use std::env; |
| 2 | use std::process; |
| 3 | use std::sync::Mutex; |
| 4 | use std::time::Instant; |
| 5 | |
| 6 | fn call( lock : & Mutex<u32> ) { |
| 7 | let _ = lock.lock(); |
| 8 | } |
| 9 | |
| 10 | fn main() { |
| 11 | let mut times : u32 = 50000000; |
| 12 | let args: Vec<String> = env::args().collect(); |
| 13 | if args.len() > 2 { process::exit( 1 ); } |
| 14 | if args.len() == 2 { times = args[1].parse().unwrap(); } |
| 15 | |
| 16 | let lock = Mutex::new(0); |
| 17 | |
| 18 | let start = Instant::now(); |
| 19 | for _ in 1..times { |
| 20 | call( &lock ); |
| 21 | } |
| 22 | let duration = start.elapsed() / times; |
| 23 | println!( "{:?}", duration.as_nanos() ) |
| 24 | } |
| 25 | |
| 26 | // rustc -C opt-level=3 rust.rs |
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