Identify slow code with Devel::TimerAug 17, 2016 by David Farrelldevelopmentdevel-timerbenchmarkrefactoroptimizespeedHow timing statements can help you pinpoint bottlenecksRead it
The road to a 55x speedup with XSJun 14, 2016 by David Farrelldevelopmentxscuri_encode_xsuri_escapepercent_encodingoptimizationbenchmarkThe power of C with the pleasure of PerlRead it