re: a.out binaries that are 66% faster than ELF
Marc Lehmann (mlehmann@hildesheim.sgh-net.de)
Thu, 27 Feb 1997 00:06:11 +0100 (MET)
> Yes, a.out is known to be generally faster than ELF, because
> ELF requires the use of an extra register. x86 processors being
> register-starved, I'm not surprised that you get the sort of result
> you quote. Generally the speed difference is negligible though (about
> 5%).
Wrong.. elf doesnt use an extra register in non-pic code, and
-fomit-frame-pointer has the same effect on both a.out and elf.
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