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libfringe/benches/swap.rs

27 lines
499 B
Rust

#![feature(test)]
extern crate test;
extern crate lwkt;
use lwkt::{Context, StackSource};
static mut ctx_slot: *mut Context<'static, lwkt::os::Stack> = 0 as *mut Context<_>;
#[bench]
fn swap(b: &mut test::Bencher) {
unsafe {
let stack = lwkt::os::StackSource::get_stack(4 << 20);
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());
}
}