forked from apache/datafusion-comet
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
perf: Optimize IfExpr by delegating to CaseExpr (apache#681)
* Unify IF and CASE expressions * revert test changes * fix
- Loading branch information
Showing
7 changed files
with
173 additions
and
38 deletions.
There are no files selected for viewing
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
File renamed without changes.
File renamed without changes.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| // 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 arrow::datatypes::{Field, Schema}; | ||
| use arrow::record_batch::RecordBatch; | ||
| use arrow_array::builder::{Int32Builder, StringBuilder}; | ||
| use arrow_schema::DataType; | ||
| use criterion::{black_box, criterion_group, criterion_main, Criterion}; | ||
| use datafusion_comet_spark_expr::IfExpr; | ||
| use datafusion_common::ScalarValue; | ||
| use datafusion_expr::Operator; | ||
| use datafusion_physical_expr::expressions::{BinaryExpr, CaseExpr}; | ||
| use datafusion_physical_expr_common::expressions::column::Column; | ||
| use datafusion_physical_expr_common::expressions::Literal; | ||
| use datafusion_physical_expr_common::physical_expr::PhysicalExpr; | ||
| use std::sync::Arc; | ||
|
|
||
| fn make_col(name: &str, index: usize) -> Arc<dyn PhysicalExpr> { | ||
| Arc::new(Column::new(name, index)) | ||
| } | ||
|
|
||
| fn make_lit_i32(n: i32) -> Arc<dyn PhysicalExpr> { | ||
| Arc::new(Literal::new(ScalarValue::Int32(Some(n)))) | ||
| } | ||
|
|
||
| fn make_null_lit() -> Arc<dyn PhysicalExpr> { | ||
| Arc::new(Literal::new(ScalarValue::Utf8(None))) | ||
| } | ||
|
|
||
| fn criterion_benchmark(c: &mut Criterion) { | ||
| // create input data | ||
| let mut c1 = Int32Builder::new(); | ||
| let mut c2 = StringBuilder::new(); | ||
| let mut c3 = StringBuilder::new(); | ||
| for i in 0..1000 { | ||
| c1.append_value(i); | ||
| if i % 7 == 0 { | ||
| c2.append_null(); | ||
| } else { | ||
| c2.append_value(&format!("string {i}")); | ||
| } | ||
| if i % 9 == 0 { | ||
| c3.append_null(); | ||
| } else { | ||
| c3.append_value(&format!("other string {i}")); | ||
| } | ||
| } | ||
| let c1 = Arc::new(c1.finish()); | ||
| let c2 = Arc::new(c2.finish()); | ||
| let c3 = Arc::new(c3.finish()); | ||
| let schema = Schema::new(vec![ | ||
| Field::new("c1", DataType::Int32, true), | ||
| Field::new("c2", DataType::Utf8, true), | ||
| Field::new("c3", DataType::Utf8, true), | ||
| ]); | ||
| let batch = RecordBatch::try_new(Arc::new(schema), vec![c1, c2, c3]).unwrap(); | ||
|
|
||
| // use same predicate for all benchmarks | ||
| let predicate = Arc::new(BinaryExpr::new( | ||
| make_col("c1", 0), | ||
| Operator::LtEq, | ||
| make_lit_i32(500), | ||
| )); | ||
|
|
||
| // CASE WHEN c1 <= 500 THEN 1 ELSE 0 END | ||
| c.bench_function("case_when: scalar or scalar", |b| { | ||
| let expr = Arc::new( | ||
| CaseExpr::try_new( | ||
| None, | ||
| vec![(predicate.clone(), make_lit_i32(1))], | ||
| Some(make_lit_i32(0)), | ||
| ) | ||
| .unwrap(), | ||
| ); | ||
| b.iter(|| black_box(expr.evaluate(black_box(&batch)).unwrap())) | ||
| }); | ||
| c.bench_function("if: scalar or scalar", |b| { | ||
| let expr = Arc::new(IfExpr::new( | ||
| predicate.clone(), | ||
| make_lit_i32(1), | ||
| make_lit_i32(0), | ||
| )); | ||
| b.iter(|| black_box(expr.evaluate(black_box(&batch)).unwrap())) | ||
| }); | ||
|
|
||
| // CASE WHEN c1 <= 500 THEN c2 [ELSE NULL] END | ||
| c.bench_function("case_when: column or null", |b| { | ||
| let expr = Arc::new( | ||
| CaseExpr::try_new(None, vec![(predicate.clone(), make_col("c2", 1))], None).unwrap(), | ||
| ); | ||
| b.iter(|| black_box(expr.evaluate(black_box(&batch)).unwrap())) | ||
| }); | ||
| c.bench_function("if: column or null", |b| { | ||
| let expr = Arc::new(IfExpr::new( | ||
| predicate.clone(), | ||
| make_col("c2", 1), | ||
| make_null_lit(), | ||
| )); | ||
| b.iter(|| black_box(expr.evaluate(black_box(&batch)).unwrap())) | ||
| }); | ||
|
|
||
| // CASE WHEN c1 <= 500 THEN c2 ELSE c3 END | ||
| c.bench_function("case_when: expr or expr", |b| { | ||
| let expr = Arc::new( | ||
| CaseExpr::try_new( | ||
| None, | ||
| vec![(predicate.clone(), make_col("c2", 1))], | ||
| Some(make_col("c3", 2)), | ||
| ) | ||
| .unwrap(), | ||
| ); | ||
| b.iter(|| black_box(expr.evaluate(black_box(&batch)).unwrap())) | ||
| }); | ||
| c.bench_function("if: expr or expr", |b| { | ||
| let expr = Arc::new(IfExpr::new( | ||
| predicate.clone(), | ||
| make_col("c2", 1), | ||
| make_col("c3", 2), | ||
| )); | ||
| b.iter(|| black_box(expr.evaluate(black_box(&batch)).unwrap())) | ||
| }); | ||
| } | ||
|
|
||
| criterion_group!(benches, criterion_benchmark); | ||
| criterion_main!(benches); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters