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/cvs/JSON-XS/eg/bench
Revision: 1.22
Committed: Tue Jan 19 01:02:19 2010 UTC (14 years, 4 months ago) by root
Branch: MAIN
CVS Tags: rel-4_0, rel-3_0, rel-4_01, rel-4_03, rel-4_02, rel-2_3, rel-4_0_00, rel-2_34, rel-2_32, rel-2_33, rel-2_31, rel-3_01, rel-3_02, rel-3_03, rel-3_04, rel-2_29, rel-2_28, HEAD
Changes since 1.21: +2 -2 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #!/opt/bin/perl
2
3 # Usage: bench json-file
4
5 # which modules to test (JSON::PP usually excluded because its so slow)
6 my %tst = (
7 # "JSON" => ['JSON::encode_json $perl' , 'JSON::decode_json $json'],
8 "JSON::PP" => ['$pp->encode ($perl)' , '$pp->decode ($json)'],
9 "JSON::DWIW/FJ" => ['$dwiw->to_json ($perl)' , '$dwiw->from_json ($json)'],
10 "JSON::DWIW/DS" => ['$dwiw->to_json ($perl)' , 'JSON::DWIW::deserialize $json'],
11 # "JSON::PC" => ['$pc->convert ($perl)' , '$pc->parse ($json)'],
12 "JSON::Syck" => ['JSON::Syck::Dump $perl' , 'JSON::Syck::Load $json'],
13 "JSON::XS" => ['encode_json $perl' , 'decode_json $json'],
14 "JSON::XS/2" => ['$xs2->encode ($perl)' , '$xs2->decode ($json)'],
15 "JSON::XS/3" => ['$xs3->encode ($perl)' , '$xs3->decode ($json)'],
16 "Storable" => ['Storable::nfreeze $perl' , 'Storable::thaw $pst'],
17 );
18
19 use JSON ();
20 use JSON::DWIW;
21 use JSON::PC;
22 use JSON::PP ();
23 use JSON::XS qw(encode_json decode_json);
24 use JSON::Syck;
25 use Storable ();
26
27 use Time::HiRes;
28 use List::Util;
29
30 use utf8;
31
32 my $dwiw = new JSON::DWIW;
33 my $pc = new JSON::PC;
34 my $pp = JSON::PP->new->max_depth (512);
35 my $xs2 = JSON::XS->new->utf8->pretty->canonical;
36 my $xs3 = JSON::XS->new->utf8->shrink;
37
38 my $json; # the test string
39
40 local $/;
41 $json = <>;
42
43 # fix syck-brokenised stuff
44 #$json = JSON::XS->new->ascii(1)->encode (JSON::Syck::Load $json);
45
46 #srand 0; $json = JSON::XS->new->utf8(1)->ascii(0)->encode ([join "", map +(chr rand 255), 0..2047]);
47
48 #if (1) {
49 # use Storable;
50 # open my $fh, "<:unix", "/opt/crossfire/share/cfserver/faces" or die "$!";
51 # my $faces = Storable::thaw do { <$fh> };
52 # $json = objToJson $faces;
53 # open my $fh2, ">:unix", "faces.json" or die "$!";
54 # print $fh2 $json;
55 # warn length $json;
56 #}
57
58 sub bench($) {
59 my ($code) = @_;
60
61 my $pst = Storable::nfreeze JSON::XS::decode_json $json; # seperately decode as storable stringifies :/
62 my $perl = JSON::XS::decode_json $json;
63
64 my $count = 5;
65 my $times = 200;
66
67 my $cent = eval "sub { my \$t = Time::HiRes::time; " . (join ";", ($code) x $count) . "; Time::HiRes::time - \$t }";
68 $cent->();
69
70 my $min = 1e99;
71
72 for (1..$times) {
73 my $t = $cent->();
74
75 $min = $t if $t < $min;
76 }
77
78 return $count / $min;
79 }
80
81 printf "%-13s | %10s | %10s |\n", "module", "encode", "decode";
82 printf "--------------|------------|------------|\n";
83 for my $module (sort keys %tst) {
84 my $enc = bench $tst{$module}[0];
85 my $dec = bench $tst{$module}[1];
86
87 printf "%-13s | %10.3f | %10.3f |\n", $module, $enc, $dec;
88 }
89 printf "--------------+------------+------------+\n";
90