[Python-Dev] Benchmarking "fun" (was Re: Python 2.1 slower than 2.0)
M.-A. Lemburg
mal@lemburg.com
Thu, 01 Feb 2001 19:05:22 +0100
Thomas Wouters wrote:
>
> On Wed, Jan 31, 2001 at 03:34:19PM +0100, M.-A. Lemburg wrote:
>
> > I have made similar experience with -On with n>3 compared to -O2
> > using pgcc (gcc optimized for PC processors). BTW, the Linux
> > kernel uses "-Wall -Wstrict-prototypes -O3 -fomit-frame-pointer"
> > as CFLAGS -- perhaps Python should too on Linux ?!
>
> [...lots of useful tips about gcc compiler options...]
Thanks for the useful details, Thomas.
I guess on PC machines, -fomit-frame-pointer does have some use
due to the restricted number of available registers.
--
Marc-Andre Lemburg
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