[BusyBox] Why is it so bad...?

Richard June rjune at ims1.imagestream-is.com
Mon Jan 22 19:22:08 UTC 2001


-O is optimizations, I'm not sure what horrible things it does. do a 'man
gcc' and look for -O, that will explain what they do.

On Mon, 22 Jan 2001, Tom Cameron wrote:

> Hello all,
> 	I was reading through the GCC man page, wondering what horrible
> things '-O3' did to code, so as to make most people shy away from it.  I
> have compiled kernels and programs with this option (instead of -Os or -O2),
> and have had no problems.  What is the difference between these options?
> What does -Os do?  Has anyone run any performance/size/stability tests on
> each?  anyone have comments?  Let me know please, as this is quite
> interesting to me (performance is everything with the project I'm currently
> working on).  Thanks in advance!
> 
> --
> Thomas Cameron
> Network Technician / Operations Specialist
> St. Mary's Bank
> 
> 
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