Re: gcc -O2 vs gcc -Os performance
Martin J. Bligh (email@example.com)
Thu, 06 Feb 2003 09:06:30 -0800
>> All done with gcc-2.95.4 (Debian Woody). These machines (16x NUMA-Q) have
>> 700MHz P3 Xeons with 2Mb L2 cache ... -Os might fare better on celeron
>> with a puny cache if someone wants to try that out
> gcc 3.2 is a lot smarter about -Os and it makes a very big size
> difference according to the numbers the from the ACPI guys.
> Im not sure testing with a gcc from the last millenium is useful 8)
I'll retest with gcc-3.2 ... maybe it'll finally show a case where it's
better than 2.95 this way?
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