John Day wrote: [...]
Thanks for the comparisons. This is exactly what I think the bulk of users need to see. Like me, there must be thousands of users who have no idea what the compiler options mean and thus are not going to touch a single one!
After your benchmark I can now relax and be comfortable that the Perl I compiled (my very first ever build of Perl!) is suited for my task.
If you don't care much about performance, then yes, you can relax and just use whatever builds your favorite distro provides. If you after performance and before you spend any time optimizing your code, I'd humbly suggest that you should not relax, but learn about compiler options, run your own benchmarks on your own hardware that you will use in production and don't rely on any conclusions you've heard somewhere.
p.s. The following chapters in "the practical mod_perl" book (http://modperlbook.org/toc.html) will give you an idea on how to boost the performance of your service without even touching your existing code:
7. Identifying Your Performance Problems 8. Choosing a Platform for the Best Performance 9. Essential Tools for Performance Tuning 11. Tuning Performance by Tweaking Apache's Configuration 12. Server Setup Strategies 14. Defensive Measures for Performance Enhancement 15. Improving Performance Through Build Options
Notice that none of these chapters tells you what to do, they all suggest where things can be improved supported by benchmarks which may give a totally different result on your particular setup. They teach you 'How' and not 'What'.
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