Messages in this thread | | | Subject | Re: gcc -O2 vs gcc -Os performance | From | Alan Cox <> | Date | 06 Feb 2003 17:48:13 +0000 |
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On Thu, 2003-02-06 at 15:42, Martin J. Bligh wrote: > 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)
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