#[macro_use]
extern crate criterion;
use criterion::Criterion;
extern crate arrow;
use arrow::array::*;
use arrow::compute::concat;
use arrow::datatypes::*;
use arrow::util::bench_util::*;
fn bench_concat(v1: &dyn Array, v2: &dyn Array) {
criterion::black_box(concat(&[v1, v2]).unwrap());
}
fn bench_concat_arrays(arrays: &[&dyn Array]) {
criterion::black_box(concat(arrays).unwrap());
}
fn add_benchmark(c: &mut Criterion) {
let v1 = create_primitive_array::<Int32Type>(1024, 0.0);
let v2 = create_primitive_array::<Int32Type>(1024, 0.0);
c.bench_function("concat i32 1024", |b| b.iter(|| bench_concat(&v1, &v2)));
let v1 = create_primitive_array::<Int32Type>(1024, 0.5);
let v2 = create_primitive_array::<Int32Type>(1024, 0.5);
c.bench_function("concat i32 nulls 1024", |b| {
b.iter(|| bench_concat(&v1, &v2))
});
let small_array = create_primitive_array::<Int32Type>(4, 0.0);
let arrays: Vec<_> = (0..1024).map(|_| &small_array as &dyn Array).collect();
c.bench_function("concat 1024 arrays i32 4", |b| {
b.iter(|| bench_concat_arrays(&arrays))
});
let v1 = create_string_array::<i32>(1024, 0.0);
let v2 = create_string_array::<i32>(1024, 0.0);
c.bench_function("concat str 1024", |b| b.iter(|| bench_concat(&v1, &v2)));
let v1 = create_string_array::<i32>(1024, 0.5);
let v2 = create_string_array::<i32>(1024, 0.5);
c.bench_function("concat str nulls 1024", |b| {
b.iter(|| bench_concat(&v1, &v2))
});
}
criterion_group!(benches, add_benchmark);
criterion_main!(benches);