Not much of a meditation, more a quest for garnaring opinion, but:
For me, it's the costliness of sub/method calls. Despite all the many well known and lamented dark corners of Perl's syntax and semantics, if using lots of small subs, methods and closures didn't impose such a penalty on performance, many of the other problems would pale into insignificance, because I could hide them by encapsulating them.
In reply to Perl 5's greatest limitation is...? by BrowserUk
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