datafusion-functions 48.0.0

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// to you under the Apache License, Version 2.0 (the
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// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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// specific language governing permissions and limitations
// under the License.

extern crate criterion;

use arrow::{
    datatypes::{Field, Float32Type, Float64Type},
    util::bench_util::create_primitive_array,
};
use criterion::{black_box, criterion_group, criterion_main, Criterion};
use datafusion_expr::{ColumnarValue, ScalarFunctionArgs};
use datafusion_functions::math::trunc;

use arrow::datatypes::DataType;
use std::sync::Arc;

fn criterion_benchmark(c: &mut Criterion) {
    let trunc = trunc();
    for size in [1024, 4096, 8192] {
        let f32_array = Arc::new(create_primitive_array::<Float32Type>(size, 0.2));
        let f32_args = vec![ColumnarValue::Array(f32_array)];
        let arg_fields = vec![Field::new("a", DataType::Float32, false).into()];
        let return_field = Field::new("f", DataType::Float32, true).into();
        c.bench_function(&format!("trunc f32 array: {size}"), |b| {
            b.iter(|| {
                black_box(
                    trunc
                        .invoke_with_args(ScalarFunctionArgs {
                            args: f32_args.clone(),
                            arg_fields: arg_fields.clone(),
                            number_rows: size,
                            return_field: Arc::clone(&return_field),
                        })
                        .unwrap(),
                )
            })
        });
        let f64_array = Arc::new(create_primitive_array::<Float64Type>(size, 0.2));
        let f64_args = vec![ColumnarValue::Array(f64_array)];
        let arg_fields = vec![Field::new("a", DataType::Float64, true).into()];
        let return_field = Field::new("f", DataType::Float64, true).into();
        c.bench_function(&format!("trunc f64 array: {size}"), |b| {
            b.iter(|| {
                black_box(
                    trunc
                        .invoke_with_args(ScalarFunctionArgs {
                            args: f64_args.clone(),
                            arg_fields: arg_fields.clone(),
                            number_rows: size,
                            return_field: Arc::clone(&return_field),
                        })
                        .unwrap(),
                )
            })
        });
    }
}

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