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#!/opt/bin/perl |
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# Usage: bench json-file |
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# which modules to test (JSON::PP usually excluded because its so slow) |
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my %tst = ( |
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# "JSON" => ['JSON::encode_json $perl' , 'JSON::decode_json $json'], |
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"JSON::PP" => ['$pp->encode ($perl)' , '$pp->decode ($json)'], |
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"JSON::DWIW/FJ" => ['$dwiw->to_json ($perl)' , '$dwiw->from_json ($json)'], |
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"JSON::DWIW/DS" => ['$dwiw->to_json ($perl)' , 'JSON::DWIW::deserialize $json'], |
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# "JSON::PC" => ['$pc->convert ($perl)' , '$pc->parse ($json)'], |
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"JSON::Syck" => ['JSON::Syck::Dump $perl' , 'JSON::Syck::Load $json'], |
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"JSON::XS" => ['encode_json $perl' , 'decode_json $json'], |
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"JSON::XS/2" => ['$xs2->encode ($perl)' , '$xs2->decode ($json)'], |
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"JSON::XS/3" => ['$xs3->encode ($perl)' , '$xs3->decode ($json)'], |
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"Storable" => ['Storable::nfreeze $perl' , 'Storable::thaw $pst'], |
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); |
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use JSON (); |
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use JSON::DWIW; |
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use JSON::PC; |
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use JSON::PP (); |
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use JSON::XS qw(encode_json decode_json); |
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use JSON::Syck; |
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use Storable (); |
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use Time::HiRes; |
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use List::Util; |
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use utf8; |
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my $dwiw = new JSON::DWIW; |
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my $pc = new JSON::PC; |
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my $pp = JSON::PP->new->max_depth (512); |
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my $xs2 = JSON::XS->new->utf8->pretty->canonical; |
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my $xs3 = JSON::XS->new->utf8->shrink; |
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my $json; # the test string |
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local $/; |
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$json = <>; |
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# fix syck-brokenised stuff |
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#$json = JSON::XS->new->ascii(1)->encode (JSON::Syck::Load $json); |
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#srand 0; $json = JSON::XS->new->utf8(1)->ascii(0)->encode ([join "", map +(chr rand 255), 0..2047]); |
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#if (1) { |
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# use Storable; |
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# open my $fh, "<:unix", "/opt/crossfire/share/cfserver/faces" or die "$!"; |
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# my $faces = Storable::thaw do { <$fh> }; |
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# $json = objToJson $faces; |
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# open my $fh2, ">:unix", "faces.json" or die "$!"; |
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# print $fh2 $json; |
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# warn length $json; |
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#} |
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sub bench($) { |
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my ($code) = @_; |
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my $pst = Storable::nfreeze JSON::XS::decode_json $json; # seperately decode as storable stringifies :/ |
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my $perl = JSON::XS::decode_json $json; |
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my $count = 5; |
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my $times = 200; |
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my $cent = eval "sub { my \$t = Time::HiRes::time; " . (join ";", ($code) x $count) . "; Time::HiRes::time - \$t }"; |
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$cent->(); |
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my $min = 1e99; |
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for (1..$times) { |
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my $t = $cent->(); |
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$min = $t if $t < $min; |
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} |
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return $count / $min; |
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} |
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printf "%-13s | %10s | %10s |\n", "module", "encode", "decode"; |
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printf "--------------|------------|------------|\n"; |
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for my $module (sort keys %tst) { |
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my $enc = bench $tst{$module}[0]; |
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my $dec = bench $tst{$module}[1]; |
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printf "%-13s | %10.3f | %10.3f |\n", $module, $enc, $dec; |
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} |
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printf "--------------+------------+------------+\n"; |
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