On Thu, Jul 15, 2010 at 01:27:06AM +0200, ольга крыжановская wrote:
> A fairly simple - but not perfectly accurate - test case would be to
> run ksh93 on Linux and Solaris and let it call /bin/true in a loop.
>
> The numbers which follow are for identical ksh93 versions built with
> the same gcc version and /bin/true a simple main() { return 0 ;}:
>
> 1. Timing values for Solaris B134 on bare metal hardware:
> time ksh -c 'integer i ; for (( i=0 ; i < 100000 ; i++ )) ; do /bin/true ;
> done'
>
> real 9m29.75s
> user 0m8.55s
> sys 2m46.89s
>
> 2. Timing values for Linux on the same hardware:
> time ksh -c 'integer i ; for (( i=0 ; i < 100000 ; i++ )) ; do /bin/true ;
> done'
>
> real 1m26.964s
> user 0m12.314s
> sys 0m42.831s
Now we're getting somewhere. Now it's time to do a bit of profiling
with DTrace on Solaris. Also, can we assume that you're using
posix_spawn(3C) in this version of ksh93?
Nico
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