Thanks for your feedback Len.
You explained how the glibc optimisations work in a manner making it
easy for me to understand.
Much appreciated!
Regards,
Peter
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
Peter,
I wish I had a good answer for you regarding relevant and useful benchmark
tools,but I just wanted to add that I would like to try and do the same
thing for PPC G4 machines using their architecture specific compilation
flags as well to see what difference it makes. I'll report back on my
s
On Tue, Jan 5, 2016 at 1:02 AM, Peter Saisanas wrote:
> Hi,
> This has been playing in my mind for a while and wondering if i could get
> some feedback from others.
>
> I assume glibc typically available in the Debian repo's has been compiled
> for a generic ppc32 target and the ricer in me wants
Hi Peter,
On Jan 4, 2016, at 4:02 PM, Peter Saisanas wrote:
> Hi,
> This has been playing in my mind for a while and wondering if i could get
> some feedback from others.
>
> I assume glibc typically available in the Debian repo's has been compiled for
> a generic ppc32 target and the ricer i
Hi again.
Once my Gentoo is up and running, I will have two almost independent
Linux boot options.
Also, I choose btrfs for my root file systems for the first time. I will
be playing with making snapshots shortly.
Obviously this all takes time. And the end of Christmas vacation time is
coming clo
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