ADT
arm-eh
ast-experimental
enum
forall-pointer-decay
jacob/cs343-translation
new-ast
new-ast-unique-expr
pthread-emulation
qualifiedEnum
|
Last change
on this file since c5c743e was 51493a4, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago |
|
start directory for full-contention mutex tests
|
-
Property mode
set to
100644
|
|
File size:
547 bytes
|
| Line | |
|---|
| 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
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
