bjoernager/rust
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Manually reset the ringbuffer before or after the ringbuffer push/pop tests.

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This commit is contained in:
Colin Sherratt 2014-11-10 21:57:52 -05:00
parent 4cae9add8c
commit 5e549d8c3c
1 changed files with 25 additions and 17 deletions
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42
src/libcollections/ring_buf.rs
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@ -209,7 +209,7 @@ impl<T> RingBuf<T> {
assert!(i < self.len());
assert!(j < self.len());
let ri = wrap_index(self.tail + i, self.cap);
let rj = wrap_index(self.tail + j, self.cap);;
let rj = wrap_index(self.tail + j, self.cap);
unsafe {
ptr::swap(self.ptr.offset(ri as int), self.ptr.offset(rj as int))
}
@ -972,53 +972,58 @@ mod tests {
#[bench]
fn bench_new(b: &mut test::Bencher) {
b.iter(|| {
let _: RingBuf<u64> = RingBuf::new();
let ring: RingBuf<u64> = RingBuf::new();
test::black_box(ring);
})
}
#[bench]
fn bench_push_back_100(b: &mut test::Bencher) {
let mut deq = RingBuf::with_capacity(100);
let mut deq = RingBuf::with_capacity(101);
b.iter(|| {
for i in range(0i, 100) {
deq.push_back(i);
}
deq.clear();
deq.head = 0;
deq.tail = 0;
})
}
#[bench]
fn bench_push_front_100(b: &mut test::Bencher) {
let mut deq = RingBuf::with_capacity(100);
let mut deq = RingBuf::with_capacity(101);
b.iter(|| {
for i in range(0i, 100) {
deq.push_front(i);
}
deq.clear();
deq.head = 0;
deq.tail = 0;
})
}
#[bench]
fn bench_pop_100(b: &mut test::Bencher) {
let mut deq = RingBuf::with_capacity(100);
fn bench_pop_back_100(b: &mut test::Bencher) {
let mut deq: RingBuf<int> = RingBuf::with_capacity(101);
b.iter(|| {
for i in range(0i, 100) {
deq.push_back(i);
deq.head = 100;
deq.tail = 0;
while !deq.is_empty() {
test::black_box(deq.pop_back());
}
while None != deq.pop_back() {}
})
}
#[bench]
fn bench_pop_front_100(b: &mut test::Bencher) {
let mut deq = RingBuf::with_capacity(100);
let mut deq: RingBuf<int> = RingBuf::with_capacity(101);
b.iter(|| {
for i in range(0i, 100) {
deq.push_back(i);
deq.head = 100;
deq.tail = 0;
while !deq.is_empty() {
test::black_box(deq.pop_front());
}
while None != deq.pop_front() {}
})
}
@ -1029,6 +1034,7 @@ mod tests {
for i in range(0i, 1025) {
deq.push_front(i);
}
test::black_box(deq);
})
}
@ -1041,7 +1047,7 @@ mod tests {
for &i in ring.iter() {
sum += i;
}
sum
test::black_box(sum);
})
}
@ -1050,9 +1056,11 @@ mod tests {
let mut ring: RingBuf<int> = range(0i, 1000).collect();
b.iter(|| {
let mut sum = 0;
for i in ring.iter_mut() {
*i += 1;
sum += *i;
}
test::black_box(sum);
})
}