[PING] Re: String Functions for x86-64

[H. J. Lu]

On Fri, Jul 28, 2006 at 02:37:47PM -0500, Menezes, Evandro wrote:
> Hi, HJ. 
> 
> > We took a closer look at the new memcpy. We found that the new memcpy
> > was faster than the old one for sizes 1-1024 bytes, but much slower
> > than the old one for sizes > 1024 bytes. We are still investigating.
> 
> Did you observe differences slow downs in the order of 0.5% in some cases as in http://sources.redhat.com/ml/libc-alpha/2006-05/txt00001.txt too?
> 

When around 2MB, slow down is more than 100%.

> How about the other routines submitted, what did you find out about them?
> 
> Thanks,
> 

We are working on others.


H.J.