ADTast-experimentalpthread-emulation
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Last change
on this file since 1fcbce7 was
51493a4,
checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
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start directory for full-contention mutex tests
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-
Property mode set to
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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