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std::trie: add benchmarks for insert.

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This commit is contained in:
Huon Wilson 2014-01-15 11:32:53 +11:00
parent dd8b011319
commit 6b5e63ff2d
1 changed files with 48 additions and 0 deletions
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48
src/libstd/trie.rs
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@ -886,6 +886,54 @@ mod bench_map {
}
});
}
#[bench]
fn bench_insert_large(bh: &mut BenchHarness) {
let mut m = TrieMap::<[uint, .. 10]>::new();
let mut rng = weak_rng();
bh.iter(|| {
for _ in range(0, 1000) {
m.insert(rng.gen(), [1, .. 10]);
}
})
}
#[bench]
fn bench_insert_large_low_bits(bh: &mut BenchHarness) {
let mut m = TrieMap::<[uint, .. 10]>::new();
let mut rng = weak_rng();
bh.iter(|| {
for _ in range(0, 1000) {
// only have the last few bits set.
m.insert(rng.gen::<uint>() & 0xff_ff, [1, .. 10]);
}
})
}
#[bench]
fn bench_insert_small(bh: &mut BenchHarness) {
let mut m = TrieMap::<()>::new();
let mut rng = weak_rng();
bh.iter(|| {
for _ in range(0, 1000) {
m.insert(rng.gen(), ());
}
})
}
#[bench]
fn bench_insert_small_low_bits(bh: &mut BenchHarness) {
let mut m = TrieMap::<()>::new();
let mut rng = weak_rng();
bh.iter(|| {
for _ in range(0, 1000) {
// only have the last few bits set.
m.insert(rng.gen::<uint>() & 0xff_ff, ());
}
})
}
}
#[cfg(test)]