#[macro_use]
extern crate criterion;
use criterion::Criterion;
use rand::Rng;
use std::sync::Arc;
extern crate arrow;
use arrow::array::*;
use arrow::compute::kernels::arithmetic::*;
use arrow::compute::kernels::limit::*;
use arrow::util::test_util::seedable_rng;
fn create_array(size: usize, with_nulls: bool) -> ArrayRef {
let mut rng = seedable_rng();
let mut builder = Float32Builder::new(size);
for _ in 0..size {
if with_nulls && rng.gen::<f32>() > 0.5 {
builder.append_null().unwrap();
} else {
builder.append_value(rng.gen()).unwrap();
}
}
Arc::new(builder.finish())
}
fn bench_add(arr_a: &ArrayRef, arr_b: &ArrayRef) {
let arr_a = arr_a.as_any().downcast_ref::<Float32Array>().unwrap();
let arr_b = arr_b.as_any().downcast_ref::<Float32Array>().unwrap();
criterion::black_box(add(arr_a, arr_b).unwrap());
}
fn bench_subtract(arr_a: &ArrayRef, arr_b: &ArrayRef) {
let arr_a = arr_a.as_any().downcast_ref::<Float32Array>().unwrap();
let arr_b = arr_b.as_any().downcast_ref::<Float32Array>().unwrap();
criterion::black_box(subtract(&arr_a, &arr_b).unwrap());
}
fn bench_multiply(arr_a: &ArrayRef, arr_b: &ArrayRef) {
let arr_a = arr_a.as_any().downcast_ref::<Float32Array>().unwrap();
let arr_b = arr_b.as_any().downcast_ref::<Float32Array>().unwrap();
criterion::black_box(multiply(&arr_a, &arr_b).unwrap());
}
fn bench_divide(arr_a: &ArrayRef, arr_b: &ArrayRef) {
let arr_a = arr_a.as_any().downcast_ref::<Float32Array>().unwrap();
let arr_b = arr_b.as_any().downcast_ref::<Float32Array>().unwrap();
criterion::black_box(divide(&arr_a, &arr_b).unwrap());
}
fn bench_limit(arr_a: &ArrayRef, max: usize) {
criterion::black_box(limit(arr_a, max));
}
fn add_benchmark(c: &mut Criterion) {
let arr_a = create_array(512, false);
let arr_b = create_array(512, false);
c.bench_function("add 512", |b| b.iter(|| bench_add(&arr_a, &arr_b)));
c.bench_function("subtract 512", |b| {
b.iter(|| bench_subtract(&arr_a, &arr_b))
});
c.bench_function("multiply 512", |b| {
b.iter(|| bench_multiply(&arr_a, &arr_b))
});
c.bench_function("divide 512", |b| b.iter(|| bench_divide(&arr_a, &arr_b)));
c.bench_function("limit 512, 512", |b| b.iter(|| bench_limit(&arr_a, 512)));
let arr_a_nulls = create_array(512, false);
let arr_b_nulls = create_array(512, false);
c.bench_function("add_nulls_512", |b| {
b.iter(|| bench_add(&arr_a_nulls, &arr_b_nulls))
});
c.bench_function("divide_nulls_512", |b| {
b.iter(|| bench_divide(&arr_a_nulls, &arr_b_nulls))
});
}
criterion_group!(benches, add_benchmark);
criterion_main!(benches);