rhai/benches/eval_expression.rs

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2020-04-13 11:26:16 +02:00
#![feature(test)]
///! Test evaluating expressions
extern crate test;
use rhai::{Engine, OptimizationLevel};
use test::Bencher;
#[bench]
fn bench_eval_expression_single(bench: &mut Bencher) {
let script = "1";
let mut engine = Engine::new();
engine.set_optimization_level(OptimizationLevel::None);
let ast = engine.compile_expression(script).unwrap();
bench.iter(|| engine.consume_ast(&ast).unwrap());
}
#[bench]
fn bench_eval_expression_number_literal(bench: &mut Bencher) {
let script = "2 > 1";
let mut engine = Engine::new();
engine.set_optimization_level(OptimizationLevel::None);
let ast = engine.compile_expression(script).unwrap();
bench.iter(|| engine.consume_ast(&ast).unwrap());
}
#[bench]
fn bench_eval_expression_number_operators(bench: &mut Bencher) {
let script = "2 + 2 == 4";
let mut engine = Engine::new();
engine.set_optimization_level(OptimizationLevel::None);
let ast = engine.compile_expression(script).unwrap();
bench.iter(|| engine.consume_ast(&ast).unwrap());
}
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#[bench]
fn bench_eval_expression_optimized_simple(bench: &mut Bencher) {
let script = r#"
2 > 1 &&
"something" != "nothing" ||
"2014-01-20" < "Wed Jul 8 23:07:35 MDT 2015" &&
[array, with, spaces].len() <= #{prop:name}.len() &&
modifierTest + 1000 / 2 > (80 * 100 % 2)
"#;
let mut engine = Engine::new();
engine.set_optimization_level(OptimizationLevel::Simple);
let ast = engine.compile_expression(script).unwrap();
bench.iter(|| engine.consume_ast(&ast).unwrap());
}
#[bench]
fn bench_eval_expression_optimized_full(bench: &mut Bencher) {
let script = r#"
2 > 1 &&
"something" != "nothing" ||
"2014-01-20" < "Wed Jul 8 23:07:35 MDT 2015" &&
[array, with, spaces].len() <= #{prop:name}.len() &&
modifierTest + 1000 / 2 > (80 * 100 % 2)
"#;
let mut engine = Engine::new();
engine.set_optimization_level(OptimizationLevel::Full);
let ast = engine.compile_expression(script).unwrap();
bench.iter(|| engine.consume_ast(&ast).unwrap());
}
#[bench]
fn bench_eval_call_expression(bench: &mut Bencher) {
let script = r#"
2 > 1 &&
"something" != "nothing" ||
"2014-01-20" < "Wed Jul 8 23:07:35 MDT 2015" &&
[array, with, spaces].len() <= #{prop:name}.len() &&
modifierTest + 1000 / 2 > (80 * 100 % 2)
"#;
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let engine = Engine::new();
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bench.iter(|| engine.eval_expression::<bool>(script).unwrap());
}
#[bench]
fn bench_eval_call(bench: &mut Bencher) {
let script = r#"
2 > 1 &&
"something" != "nothing" ||
"2014-01-20" < "Wed Jul 8 23:07:35 MDT 2015" &&
[array, with, spaces].len() <= #{prop:name}.len() &&
modifierTest + 1000 / 2 > (80 * 100 % 2)
"#;
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let engine = Engine::new();
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bench.iter(|| engine.eval::<bool>(script).unwrap());
}
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#[bench]
fn bench_eval_loop_number(bench: &mut Bencher) {
let script = r#"
let s = 0;
for x in range(0, 10000) {
s += 1;
}
"#;
let mut engine = Engine::new();
engine.set_optimization_level(OptimizationLevel::None);
let ast = engine.compile(script).unwrap();
bench.iter(|| engine.consume_ast(&ast).unwrap());
}
#[bench]
fn bench_eval_loop_strings_build(bench: &mut Bencher) {
let script = r#"
let s = 0;
for x in range(0, 10000) {
s += "x";
}
"#;
let mut engine = Engine::new();
engine.set_optimization_level(OptimizationLevel::None);
let ast = engine.compile(script).unwrap();
bench.iter(|| engine.consume_ast(&ast).unwrap());
}
#[bench]
fn bench_eval_loop_strings_no_build(bench: &mut Bencher) {
let script = r#"
let s = "hello";
for x in range(0, 10000) {
s += "";
}
"#;
let mut engine = Engine::new();
engine.set_optimization_level(OptimizationLevel::None);
let ast = engine.compile(script).unwrap();
bench.iter(|| engine.consume_ast(&ast).unwrap());
}