61 lines
2.2 KiB
Rust
61 lines
2.2 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::StringRunBuilder;
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use arrow::datatypes::Int32Type;
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use arrow::util::bench_util::create_string_array_for_runs;
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use criterion::{Criterion, criterion_group, criterion_main};
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fn criterion_benchmark(c: &mut Criterion) {
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let mut group = c.benchmark_group("string_run_builder");
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let mut do_bench = |physical_array_len: usize, logical_array_len: usize, string_len: usize| {
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group.bench_function(
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format!(
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"(run_array_len:{logical_array_len}, physical_array_len:{physical_array_len}, string_len: {string_len})",
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),
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|b| {
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let strings =
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create_string_array_for_runs(physical_array_len, logical_array_len, string_len);
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b.iter(|| {
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let mut builder = StringRunBuilder::<Int32Type>::with_capacity(
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physical_array_len,
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(string_len + 1) * physical_array_len,
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);
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for val in &strings {
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builder.append_value(val);
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}
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builder.finish();
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})
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},
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);
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};
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do_bench(20, 1000, 5);
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do_bench(100, 1000, 5);
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do_bench(100, 1000, 10);
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do_bench(100, 10000, 10);
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do_bench(100, 10000, 100);
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group.finish();
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}
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criterion_group!(benches, criterion_benchmark);
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criterion_main!(benches);
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