Add JSON.pm to third_party

third_party/JSON/JSON-2.59/eg/bench_decode.pl

Index: third_party/JSON/JSON-2.59/eg/bench_decode.pl
diff --git a/third_party/JSON/JSON-2.59/eg/bench_decode.pl b/third_party/JSON/JSON-2.59/eg/bench_decode.pl
new file mode 100755
index 0000000000000000000000000000000000000000..cfa0f5f3e87ae53ff0a367003fafdcdb74a28c9d
--- /dev/null
+++ b/third_party/JSON/JSON-2.59/eg/bench_decode.pl
@@ -0,0 +1,70 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use Benchmark qw( cmpthese timethese );
+
+our $VERSION = '1.00';
+
+my $wanttime = $ARGV[1] || 5;
+
+use JSON qw( -support_by_pp -no_export ); # for JSON::PP::Boolean inheritance
+use JSON::PP ();
+use JSON::XS ();
+use utf8;
+
+my $pp   = JSON::PP->new->utf8;
+my $xs   = JSON::XS->new->utf8;
+
+local $/;
+
+my $json = <>;
+my $perl = JSON::XS::decode_json $json;
+my $result;
+
+
+printf( "JSON::PP %s\n", JSON::PP->VERSION );
+printf( "JSON::XS %s\n", JSON::XS->VERSION );
+
+
+print "-----------------------------------\n";
+print "->decode()\n";
+print "-----------------------------------\n";
+
+$result = timethese( -$wanttime,
+    {
+        'JSON::PP' => sub { $pp->decode( $json ) },
+        'JSON::XS' => sub { $xs->decode( $json ) },
+    },
+    'none'
+);
+cmpthese( $result );
+
+print "-----------------------------------\n";
+
+
+__END__
+
+=pod
+
+=head1 SYNOPSYS
+
+  bench_decode.pl json-file
+  # or
+  bench_decode.pl json-file minimum-time
+
+=head1 DESCRIPTION
+
+L<JSON::PP> and L<JSON::XS> decoding benchmark.
+
+=head1 AUTHOR
+
+makamaka
+
+=head1 LISENCE
+
+This library is free software; you can redistribute it and/or modify it
+under the same terms as Perl itself.
+
+=cut
+