On 10/15/2013 09:10 PM, Chris Adams wrote:
Once upon a time, Jan Kratochvil <jan.kratochvil@xxxxxxxxxx> said:It depends, for example in this case prelink saves 33% of time (and battery): i=0;time while [ $i -lt 1000 ];do /usr/bin/gnome-open --help &>/dev/null;i=$[$i+1];doneDo you really run "gnome-open --help" 1000 times per reasonable unit of time (or ever)? Please stop using bogus comparisons and highly contrived tests. They do nothing to help your argument.
This isn't totally invalid. I assume that some shell scripts with tight loops are the only thing that actually benefits from prelinking today. People write those, unfortunately.
I'm attaching a deliberately badly written script which should be fairly representative, alas. I can' benchmark it right now because the system isn't idle, but if someone else wants to have a go at it, be my guest.
-- Florian Weimer / Red Hat Product Security Team
Attachment:
palindromes.sh
Description: application/shellscript
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