datafusion-functions 45.0.0

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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// under the License.

extern crate criterion;

use criterion::{black_box, criterion_group, criterion_main, Criterion};
use datafusion_expr::ScalarUDFImpl;
use datafusion_functions::math::random::RandomFunc;

fn criterion_benchmark(c: &mut Criterion) {
    let random_func = RandomFunc::new();

    // Benchmark to evaluate 1M rows in batch size 8192
    let iterations = 1_000_000 / 8192; // Calculate how many iterations are needed to reach approximately 1M rows
    c.bench_function("random_1M_rows_batch_8192", |b| {
        b.iter(|| {
            for _ in 0..iterations {
                #[allow(deprecated)] // TODO: migrate to invoke_with_args
                black_box(random_func.invoke_batch(&[], 8192).unwrap());
            }
        })
    });

    // Benchmark to evaluate 1M rows in batch size 128
    let iterations_128 = 1_000_000 / 128; // Calculate how many iterations are needed to reach approximately 1M rows with batch size 128
    c.bench_function("random_1M_rows_batch_128", |b| {
        b.iter(|| {
            for _ in 0..iterations_128 {
                #[allow(deprecated)] // TODO: migrate to invoke_with_args
                black_box(random_func.invoke_batch(&[], 128).unwrap());
            }
        })
    });
}

criterion_group!(benches, criterion_benchmark);
criterion_main!(benches);