Re: gcc -O2 vs gcc -Os performance

Martin J. Bligh
2003-02-06T16:57:11Z

>> 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?

<ducks> <runs>

M.