compiler optimization level

Kaleb Keithley kaleb at mars.Jpl.Nasa.Gov
Thu Mar 22 12:04:41 AEST 1990


Here's our setup:  Sun 4, SunOS 4.0.3, X11R4, fixes 1 through 6 (I know, four
and five are Apollo and IBM, and six is xterm.)

I'm about to try compiling the Xsun Server with optimization level 3 and/or 4.
The default is 2 on Sun 4s.  Does anyone have any thoughts or suggestions.

I'm relatively new (9 months) to Suns, is there any reason why I should not
do this?

What, if any, performance change can I expect?  Performance is already quite
good on this platform (we have two 4/260s and a 4/370; ten and sixteen MIPS
respectively.)

If there is enough interest/response, I'll summarize.
kaleb at mars.jpl.nasa.gov            Jet Propeller Labs
Kaleb Keithley
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