The Benchmark module encapsulates a number of routines to help you figure out how long it takes to execute some code. timethis - run a chunk of code several times timethese - run several chunks of code several times cmpthese - print results of timeth...

The Benchmark module encapsulates a number of routines to help you figure out how long it takes to execute some code. timethis - run a chunk of code several times timethese - run several chunks of code several times cmpthese - print results of timeth...

This is a list of wishes for Perl. The most up to date version of this file is at <https://github.com/Perl/perl5/blob/blead/Porting/todo.pod>. The tasks we think are smaller or easier are listed first. Anyone is welcome to work on any of these, but i...

This is a list of wishes for Perl. The most up to date version of this file is at <https://github.com/Perl/perl5/blob/blead/Porting/todo.pod>. The tasks we think are smaller or easier are listed first. Anyone is welcome to work on any of these, but i...

By default, bench.pl will run code snippets found in t/perf/benchmarks (or similar) under cachegrind, in order to calculate how many instruction reads, data writes, branches, cache misses, etc. that one execution of the snippet uses. Usually it will ...

By default, bench.pl will run code snippets found in t/perf/benchmarks (or similar) under cachegrind, in order to calculate how many instruction reads, data writes, branches, cache misses, etc. that one execution of the snippet uses. Usually it will ...

"perl5db.pl" is the perl debugger. It is loaded automatically by Perl when you invoke a script with "perl -d". This documentation tries to outline the structure and services provided by "perl5db.pl", and to describe how you can use them....

"perl5db.pl" is the perl debugger. It is loaded automatically by Perl when you invoke a script with "perl -d". This documentation tries to outline the structure and services provided by "perl5db.pl", and to describe how you can use them....

These messages are classified as follows (listed in increasing order of desperation): (W) A warning (optional). (D) A deprecation (enabled by default). (S) A severe warning (enabled by default). (F) A fatal error (trappable). (P) An internal error yo...

These messages are classified as follows (listed in increasing order of desperation): (W) A warning (optional). (D) A deprecation (enabled by default). (S) A severe warning (enabled by default). (F) A fatal error (trappable). (P) An internal error yo...

This is an introduction to the use of performance and optimization techniques which can be used with particular reference to perl programs. While many perl developers have come from other languages, and can use their prior knowledge where appropriate...

This is an introduction to the use of performance and optimization techniques which can be used with particular reference to perl programs. While many perl developers have come from other languages, and can use their prior knowledge where appropriate...

This document describes differences between the 5.30.0 release and the 5.32.0 release. If you are upgrading from an earlier release such as 5.28.0, first read perl5300delta, which describes differences between 5.28.0 and 5.30.0....

This document describes differences between the 5.005 release and the 5.6.0 release....

This document describes differences between the 5.005 release and the 5.6.0 release....

This document describes differences between the 5.8.8 release and the 5.8.9 release....

This document describes differences between the 5.8.8 release and the 5.8.9 release....

This document describes differences between the 5.8.0 release and the 5.8.1 release. If you are upgrading from an earlier release such as 5.6.1, first read the perl58delta, which describes differences between 5.6.0 and 5.8.0. In case you are wonderin...

This document describes differences between the 5.8.0 release and the 5.8.1 release. If you are upgrading from an earlier release such as 5.6.1, first read the perl58delta, which describes differences between 5.6.0 and 5.8.0. In case you are wonderin...

This document describes differences between the 5.005 release and the 5.6.1 release....