// 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. use bytes::Bytes; use criterion::*; use parquet::file::reader::SerializedFileReader; use parquet::file::serialized_reader::ReadOptionsBuilder; fn criterion_benchmark(c: &mut Criterion) { // Read file into memory to isolate filesystem performance let file = "../parquet-testing/data/alltypes_tiny_pages.parquet"; let data = std::fs::read(file).unwrap(); let data = Bytes::from(data); c.bench_function("open(default)", |b| { b.iter(|| SerializedFileReader::new(data.clone()).unwrap()) }); c.bench_function("open(page index)", |b| { b.iter(|| { let options = ReadOptionsBuilder::new().with_page_index().build(); SerializedFileReader::new_with_options(data.clone(), options).unwrap() }) }); } criterion_group!(benches, criterion_benchmark); criterion_main!(benches);