On Mon, Jan 11, 2016 at 08:31:39PM +1100, Peter Saisanas wrote:
> Hi Brock,
> I have tried lmbench and recompiled glibc 2.21-6 with -O3 and -O2
> optimizations with the cflags below:
> extra_cflags = -mcpu=G5 -mtune=G5 -maltivec -mabi=altivec
>
> I haven't actually seen any marked difference to th
On Mon, Jan 11, Peter Saisanas wrote:
> Am i doing something wrong, or is there simply no extra performance to be
> had just by playing with the cflags and recompiling glibc?
Just ask yourself: How many months per year does your cpu execute code
from glibc instead of kernel or app code? If you ca
Hi Brock,
I have tried lmbench and recompiled glibc 2.21-6 with -O3 and -O2
optimizations with the cflags below:
extra_cflags = -mcpu=G5 -mtune=G5 -maltivec -mabi=altivec
I haven't actually seen any marked difference to the results coming out
of lmbench when using the default Debian glibc and
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