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Benchmark: timing 5000 iterations of Dumper, DumperX, base64nfreeze, f
+reeze, nfreeze, xmlDumper...
    Dumper: 102 wallclock secs (65.65 usr +  0.13 sys = 65.78 CPU)
...
    freeze:  5 wallclock secs ( 3.16 usr +  0.00 sys =  3.16 CPU)
   nfreeze:  5 wallclock secs ( 3.04 usr +  0.00 sys =  3.04 CPU)
 xmlDumper: 188 wallclock secs (116.78 usr +  0.24 sys = 117.02 CPU)

use Benchmark;
use Data::Dumper qw(Dumper DumperX);
...
                my $obj = XML::Dumper->xml2pl($tree);
        },
});