bench/
bench.rs

1use chrono::prelude::*;
2use rscel::{BindContext, CelContext};
3
4type BenchmarkFn = fn();
5
6const BENCHMARKS: &[(&str, BenchmarkFn)] = &[
7    ("Run One No Binding", bench_run_one_nobindings),
8    ("Run Many No Binding", bench_run_many_no_bindings),
9    ("Run One With Binding", bench_run_one_with_binding),
10    ("Run Many With Bindings", bench_run_one_with_many_bindings),
11    ("Build Many", bench_build_many),
12    (
13        "Build Many With Bindings",
14        bench_construct_many_with_bindings,
15    ),
16];
17
18fn main() {
19    for benchmark in BENCHMARKS.iter() {
20        let start_time = Local::now();
21        benchmark.1();
22        let end_time = Local::now();
23
24        println!("{}: {}", benchmark.0, end_time - start_time);
25    }
26}
27
28fn bench_run_one_nobindings() {
29    let mut cel = CelContext::new();
30    let exec = BindContext::new();
31
32    cel.add_program_str("entry", "((4 * 3) - 4) + 3").unwrap();
33
34    cel.exec("entry", &exec).unwrap();
35}
36
37fn bench_run_many_no_bindings() {
38    let mut cel = CelContext::new();
39    let exec = BindContext::new();
40
41    cel.add_program_str("entry", "((4 * 3) - 4) + 3").unwrap();
42
43    for _ in 0..10_000 {
44        cel.exec("entry", &exec).unwrap();
45    }
46}
47
48fn bench_run_one_with_binding() {
49    let mut cel = CelContext::new();
50    let mut exec = BindContext::new();
51
52    cel.add_program_str("entry", "((4 * 3) - foo) + 3").unwrap();
53    exec.bind_param("foo", 6.into());
54
55    cel.exec("entry", &exec).unwrap();
56}
57
58fn bench_run_one_with_many_bindings() {
59    let mut cel = CelContext::new();
60    let mut exec = BindContext::new();
61
62    cel.add_program_str("entry", "((4 * 3) - foo) + 3").unwrap();
63
64    for o in 0..10_000 {
65        exec.bind_param("foo", o.into());
66
67        cel.exec("entry", &exec).unwrap();
68    }
69}
70
71fn bench_build_many() {
72    let mut cel = CelContext::new();
73
74    for o in 0..1_000 {
75        cel.add_program_str(&format!("prog{}", o), &format!("((4 * 3) - {}) + 3", o))
76            .unwrap();
77    }
78}
79
80fn bench_construct_many_with_bindings() {
81    for o in 0..10_000 {
82        let mut cel = CelContext::new();
83        let mut exec = BindContext::new();
84
85        cel.add_program_str("entry", "((4 * 3) - foo) + 3").unwrap();
86        exec.bind_param("foo", o.into());
87
88        cel.exec("entry", &exec).unwrap();
89    }
90}
bench/bench.rs

bench/
bench.rs
