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            Last change
 on this file since c4024b46 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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            File size:
            547 bytes
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| 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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