49 lines
1.5 KiB
Rust
49 lines
1.5 KiB
Rust
// Licensed to the Apache Software Foundation (ASF) under one
|
|
// or more contributor license agreements. See the NOTICE file
|
|
// distributed with this work for additional information
|
|
// regarding copyright ownership. The ASF licenses this file
|
|
// to you under the Apache License, Version 2.0 (the
|
|
// "License"); you may not use this file except in compliance
|
|
// with the License. You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing,
|
|
// software distributed under the License is distributed on an
|
|
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
// KIND, either express or implied. See the License for the
|
|
// specific language governing permissions and limitations
|
|
// under the License.
|
|
|
|
#[macro_use]
|
|
extern crate criterion;
|
|
use criterion::Criterion;
|
|
|
|
extern crate arrow;
|
|
|
|
use arrow::array::*;
|
|
use arrow::compute::kernels::length::length;
|
|
use std::hint;
|
|
|
|
fn bench_length(array: &StringArray) {
|
|
hint::black_box(length(array).unwrap());
|
|
}
|
|
|
|
fn add_benchmark(c: &mut Criterion) {
|
|
fn double_vec<T: Clone>(v: Vec<T>) -> Vec<T> {
|
|
[&v[..], &v[..]].concat()
|
|
}
|
|
|
|
// double ["hello", " ", "world", "!"] 10 times
|
|
let mut values = vec!["one", "on", "o", ""];
|
|
for _ in 0..10 {
|
|
values = double_vec(values);
|
|
}
|
|
let array = StringArray::from(values);
|
|
|
|
c.bench_function("length", |b| b.iter(|| bench_length(&array)));
|
|
}
|
|
|
|
criterion_group!(benches, add_benchmark);
|
|
criterion_main!(benches);
|