ADT
arm-eh
ast-experimental
enum
forall-pointer-decay
jacob/cs343-translation
new-ast
new-ast-unique-expr
pthread-emulation
qualifiedEnum
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Last change
on this file since f2384c9a was 51493a4, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago |
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start directory for full-contention mutex tests
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Property mode
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100644
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File size:
547 bytes
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| Rev | Line | |
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| [51493a4] | 1 | use std::env;
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| 2 | use std::process;
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| 3 | use std::sync::Mutex;
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| 4 | use std::time::Instant;
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| 5 |
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| 6 | fn call( lock : & Mutex<u32> ) {
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| 7 | let _ = lock.lock();
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| 8 | }
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| 9 |
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| 10 | fn main() {
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| 11 | let mut times : u32 = 50000000;
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| 12 | let args: Vec<String> = env::args().collect();
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| 13 | if args.len() > 2 { process::exit( 1 ); }
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| 14 | if args.len() == 2 { times = args[1].parse().unwrap(); }
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| 15 |
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| 16 | let lock = Mutex::new(0);
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| 17 |
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| 18 | let start = Instant::now();
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| 19 | for _ in 1..times {
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| 20 | call( &lock );
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| 21 | }
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| 22 | let duration = start.elapsed() / times;
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| 23 | println!( "{:?}", duration.as_nanos() )
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| 24 | }
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| 25 |
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| 26 | // rustc -C opt-level=3 rust.rs
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