60 lines
1.8 KiB
Rust
60 lines
1.8 KiB
Rust
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// Comparisons between Rust built-ins and memchr.
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//
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// Copyright (C) 2014-2021 Ryan Specialty Group, LLC.
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//
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// This file is part of TAME.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#![feature(test)]
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extern crate tamer;
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extern crate test;
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use tamer::iter::into_iter_while_ok;
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use test::Bencher;
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mod trip {
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use super::*;
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#[bench]
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fn baseline_map_while(bench: &mut Bencher) {
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let mut data = (0..100).map(Ok).collect::<Vec<_>>();
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data.push(Err("trip"));
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bench.iter(|| {
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data.clone()
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.into_iter()
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.map_while(Result::ok)
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.for_each(drop);
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});
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}
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// Note that these aren't comparable feature-wise, since the above
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// doesn't give us access to the underlying iterator. This is just to
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// ensure that performance is at least pretty close, despite it doing a
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// little more work. (And it is.)
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#[bench]
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fn trip_iter(bench: &mut Bencher) {
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let mut data = (0..100).map(Ok).collect::<Vec<_>>();
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data.push(Err("trip"));
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bench.iter(|| {
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into_iter_while_ok(data.clone(), |iter| {
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iter.for_each(drop);
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})
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});
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}
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}
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