1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
#![feature(test)]
extern crate test;
extern crate rustc_serialize;
use std::string;
use rustc_serialize::json::{Json, Parser};
use test::Bencher;
#[bench]
fn bench_streaming_small(b: &mut Bencher) {
b.iter( || {
let mut parser = Parser::new(
r#"{
"a": 1.0,
"b": [
true,
"foo\nbar",
{ "c": {"d": null} }
]
}"#.chars()
);
loop {
match parser.next() {
None => return,
_ => {}
}
}
});
}
#[bench]
fn bench_small(b: &mut Bencher) {
b.iter( || {
let _ = Json::from_str(r#"{
"a": 1.0,
"b": [
true,
"foo\nbar",
{ "c": {"d": null} }
]
}"#);
});
}
#[bench]
fn bench_decode_hex_escape(b: &mut Bencher) {
let mut src = "\"".to_string();
for _ in 0..10 {
src.push_str("\\uF975\\uf9bc\\uF9A0\\uF9C4\\uF975\\uf9bc\\uF9A0\\uF9C4");
}
src.push_str("\"");
b.iter( || {
let _ = Json::from_str(&src);
});
}
fn big_json() -> string::String {
let mut src = "[\n".to_string();
for _ in 0..500 {
src.push_str(r#"{ "a": true, "b": null, "c":3.1415, "d": "Hello world", "e": \
[1,2,3]},"#);
}
src.push_str("{}]");
return src;
}
#[bench]
fn bench_streaming_large(b: &mut Bencher) {
let src = big_json();
b.iter( || {
let mut parser = Parser::new(src.chars());
loop {
match parser.next() {
None => return,
_ => {}
}
}
});
}
#[bench]
fn bench_large(b: &mut Bencher) {
let src = big_json();
b.iter( || { let _ = Json::from_str(&src); });
}
|
