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libfringe/benches/swap.rs

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// Copyright (c) 2015, edef <edef@edef.eu>
// See the LICENSE file included in this distribution.
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#![feature(test)]
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extern crate test;
extern crate lwkt;
use lwkt::{Context, StackSource};
static mut ctx_slot: *mut Context<'static, lwkt::os::Stack> = 0 as *mut Context<_>;
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#[bench]
fn swap(b: &mut test::Bencher) {
unsafe {
let stack = lwkt::os::StackSource::get_stack(4 << 20).unwrap();
let mut ctx = Context::new(stack, move || {
let ctx_ptr = ctx_slot;
loop {
(*ctx_ptr).swap()
}
});
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ctx_slot = &mut ctx;
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ctx.swap();
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b.iter(|| ctx.swap());
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}
}