55 lines
1.8 KiB
Rust
55 lines
1.8 KiB
Rust
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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use arrow::array::BooleanBufferBuilder;
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use criterion::{Criterion, criterion_group, criterion_main};
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use rand::{Rng, rng};
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fn rand_bytes(len: usize) -> Vec<u8> {
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let mut rng = rng();
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let mut buf = vec![0_u8; len];
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rng.fill(buf.as_mut_slice());
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buf
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}
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fn boolean_append_packed(c: &mut Criterion) {
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let mut rng = rng();
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let source = rand_bytes(1024);
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let ranges: Vec<_> = (0..100)
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.map(|_| {
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let start: usize = rng.random_range(0..1024 * 8);
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let end: usize = rng.random_range(start..1024 * 8);
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start..end
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})
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.collect();
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let total_bits: usize = ranges.iter().map(|x| x.end - x.start).sum();
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c.bench_function("boolean_append_packed", |b| {
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b.iter(|| {
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let mut buffer = BooleanBufferBuilder::new(total_bits);
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for range in &ranges {
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buffer.append_packed_range(range.clone(), &source);
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}
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assert_eq!(buffer.len(), total_bits);
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})
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});
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}
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criterion_group!(benches, boolean_append_packed);
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criterion_main!(benches);
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