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 |
|