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libfringe/benches/swap.rs

30 lines
655 B
Rust

// This file is part of libfringe, a low-level green threading library.
// Copyright (c) 2015, edef <edef@edef.eu>
// See the LICENSE file included in this distribution.
#![feature(test)]
extern crate test;
extern crate fringe;
use fringe::Context;
static mut ctx_slot: *mut Context<'static, fringe::OsStack> = 0 as *mut Context<_>;
#[bench]
fn swap(b: &mut test::Bencher) {
unsafe {
let stack = fringe::OsStack::new(4 << 20).unwrap();
let mut ctx = Context::new(stack, move || {
let ctx_ptr = ctx_slot;
loop {
(*ctx_ptr).swap()
}
});
ctx_slot = &mut ctx;
ctx.swap();
b.iter(|| ctx.swap());
}
}