Gestionnaire de fichiers - Editer - /usr/share/doc/perl-JSON-XS-3.01/eg/bench
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#!/usr/bin/perl # Usage: bench json-file # which modules to test (JSON::PP usually excluded because its so slow) my %tst = ( # "JSON" => ['JSON::encode_json $perl' , 'JSON::decode_json $json'], "JSON::PP" => ['$pp->encode ($perl)' , '$pp->decode ($json)'], "JSON::DWIW/FJ" => ['$dwiw->to_json ($perl)' , '$dwiw->from_json ($json)'], "JSON::DWIW/DS" => ['$dwiw->to_json ($perl)' , 'JSON::DWIW::deserialize $json'], # "JSON::PC" => ['$pc->convert ($perl)' , '$pc->parse ($json)'], "JSON::Syck" => ['JSON::Syck::Dump $perl' , 'JSON::Syck::Load $json'], "JSON::XS" => ['encode_json $perl' , 'decode_json $json'], "JSON::XS/2" => ['$xs2->encode ($perl)' , '$xs2->decode ($json)'], "JSON::XS/3" => ['$xs3->encode ($perl)' , '$xs3->decode ($json)'], "Storable" => ['Storable::nfreeze $perl' , 'Storable::thaw $pst'], ); use JSON (); use JSON::DWIW; use JSON::PC; use JSON::PP (); use JSON::XS qw(encode_json decode_json); use JSON::Syck; use Storable (); use Time::HiRes; use List::Util; use utf8; my $dwiw = new JSON::DWIW; my $pc = new JSON::PC; my $pp = JSON::PP->new->max_depth (512); my $xs2 = JSON::XS->new->utf8->pretty->canonical; my $xs3 = JSON::XS->new->utf8->shrink; my $json; # the test string local $/; $json = <>; # fix syck-brokenised stuff #$json = JSON::XS->new->ascii(1)->encode (JSON::Syck::Load $json); #srand 0; $json = JSON::XS->new->utf8(1)->ascii(0)->encode ([join "", map +(chr rand 255), 0..2047]); #if (1) { # use Storable; # open my $fh, "<:unix", "/opt/crossfire/share/cfserver/faces" or die "$!"; # my $faces = Storable::thaw do { <$fh> }; # $json = objToJson $faces; # open my $fh2, ">:unix", "faces.json" or die "$!"; # print $fh2 $json; # warn length $json; #} sub bench($) { my ($code) = @_; my $pst = Storable::nfreeze JSON::XS::decode_json $json; # seperately decode as storable stringifies :/ my $perl = JSON::XS::decode_json $json; my $count = 5; my $times = 200; my $cent = eval "sub { my \$t = Time::HiRes::time; " . (join ";", ($code) x $count) . "; Time::HiRes::time - \$t }"; $cent->(); my $min = 1e99; for (1..$times) { my $t = $cent->(); $min = $t if $t < $min; } return $count / $min; } printf "%-13s | %10s | %10s |\n", "module", "encode", "decode"; printf "--------------|------------|------------|\n"; for my $module (sort keys %tst) { my $enc = bench $tst{$module}[0]; my $dec = bench $tst{$module}[1]; printf "%-13s | %10.3f | %10.3f |\n", $module, $enc, $dec; } printf "--------------+------------+------------+\n";
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