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#!/opt/bin/perl |
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|
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# Usage: bench json-file |
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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::XS; |
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use JSON::Syck; |
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|
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use Time::HiRes; |
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use List::Util; |
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|
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use utf8; |
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|
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my $dwiw = new JSON::DWIW; |
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my $pc = new JSON::PC; |
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my $xs = JSON::XS->new->pretty (1)->canonical (1); |
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|
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my $json; # the test string |
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|
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local $/; |
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$json = <>; |
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|
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$json = to_json [join "", map +(chr rand 255), 0..8191]; |
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|
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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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|
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my %tst = ( |
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# "JSON" => ['objToJson $perl' , 'jsonToObj $json'], |
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"JSON::DWIW" => ['$dwiw->to_json ($perl)', '$dwiw->from_json ($json)'], |
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"JSON::PC" => ['$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" => ['to_json $perl' , 'from_json $json'], |
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"JSON::XS/2" => ['$xs->encode ($perl)' , '$xs->decode ($json)'], |
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); |
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|
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sub bench($) { |
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my ($code) = @_; |
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|
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my $perl = jsonToObj $json; |
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my $count = 10; |
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my $times = 15; |
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|
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my $cent = eval "sub { " . (join ";", ($code) x $count) . "}"; |
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$cent->(); |
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|
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my @meas; |
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|
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while () { |
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push @meas, Time::HiRes::time; |
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$cent->(); |
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$meas[-1] = Time::HiRes::time - $meas[-1]; |
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|
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my $mean = (List::Util::sum @meas) / @meas; |
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if (@meas >= $times) { |
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@meas = grep $_ > $mean * 0.9 && $_ < $mean * 1.1, @meas; |
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my @meas = grep $_ > $mean * 0.9999 && $_ < $mean * 1.1111, @meas; |
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if (@meas >= $times) { |
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return $count / $mean; |
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} |
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} |
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} |
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} |
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|
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printf "%-10s | %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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|
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printf "%-10s | %10.3f | %10.3f |\n", $module, $enc, $dec; |
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} |
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printf "-----------+------------+------------+\n"; |
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