53 lines
1.7 KiB
Rust
53 lines
1.7 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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#[macro_use]
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extern crate criterion;
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use criterion::Criterion;
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extern crate arrow;
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use arrow::array::*;
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use std::sync::Arc;
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fn create_array_slice(array: &ArrayRef, length: usize) -> ArrayRef {
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array.slice(0, length)
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}
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fn create_array_with_nulls(size: usize) -> ArrayRef {
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let array: Float64Array = (0..size)
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.map(|i| if i % 2 == 0 { Some(1.0) } else { None })
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.collect();
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Arc::new(array)
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}
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fn array_slice_benchmark(c: &mut Criterion) {
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let array = create_array_with_nulls(4096);
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c.bench_function("array_slice 128", |b| {
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b.iter(|| create_array_slice(&array, 128))
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});
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c.bench_function("array_slice 512", |b| {
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b.iter(|| create_array_slice(&array, 512))
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});
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c.bench_function("array_slice 2048", |b| {
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b.iter(|| create_array_slice(&array, 2048))
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});
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}
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criterion_group!(benches, array_slice_benchmark);
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criterion_main!(benches);
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