1#!/opt/bin/perl 2 3# Usage: bench json-file 4 5# which modules to test (JSON::PP usually excluded because its so slow) 6my %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 19use JSON (); 20use JSON::DWIW; 21use JSON::PC; 22use JSON::PP (); 23use JSON::XS qw(encode_json decode_json); 24use JSON::Syck; 25use Storable (); 26 27use Time::HiRes; 28use List::Util; 29 30use utf8; 31 32my $dwiw = new JSON::DWIW; 33my $pc = new JSON::PC; 34my $pp = JSON::PP->new->max_depth (512); 35my $xs2 = JSON::XS->new->utf8->pretty->canonical; 36my $xs3 = JSON::XS->new->utf8->shrink; 37 38my $json; # the test string 39 40local $/; 41$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 $json; 56#} 57 58sub bench($) { 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 81printf "%-13s | %10s | %10s |\n", "module", "encode", "decode"; 82printf "--------------|------------|------------|\n"; 83for 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} 89printf "--------------+------------+------------+\n"; 90 91