$ perl -d:DProf t/16large.t
1..3
ok 1
ok 2
parsed 80085 bytes in 16 seconds
ok 3
$ dprofpp -O 6
Total Elapsed Time = 13.08672 Seconds
  User+System Time = 11.91672 Seconds
Exclusive Times
%Time ExclSec CumulS #Calls sec/call Csec/c  Name
 37.5   4.480  4.442 115004   0.0000 0.0000  XML::SAX::PurePerl::Reader::match_nonext
 13.2   1.580  1.537  86892   0.0000 0.0000  XML::SAX::PurePerl::Reader::Stream::next
 10.6   1.270  9.037 114995   0.0000 0.0001  XML::SAX::PurePerl::Reader::match
 10.2   1.220  7.882 115004   0.0000 0.0001  XML::SAX::PurePerl::Reader::match_nocheck
 9.02   1.075  9.239  17607   0.0001 0.0005  XML::SAX::PurePerl::Reader::consume
 8.48   1.010  2.460  86891   0.0000 0.0000  XML::SAX::PurePerl::Reader::nextchar