Re: "use register arguments" option enabled.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wednesday 18 May 2005 00:47, David Woodhouse <dwmw2@xxxxxxxxxxxxx> wrote:
> On Mon, 2005-05-16 at 14:09 -1000, Warren Togami wrote:
> > > Even a 2 clock cycle delay happening hundreds of thousands or even
> > > millions of times a second builds up.
> >
> > Isn't using system memory much longer than 2 clock cycles?
>
> If accessing the top of your stack is "using system memory" you're
> screwed already. It ought to be in L1 cache.

I presume that the top of the stack will eventually be written back to main 
memory.  Aren't memory writes more of a performance hit than reads, 
especially on SMP?

-- 
http://www.coker.com.au/selinux/   My NSA Security Enhanced Linux packages
http://www.coker.com.au/bonnie++/  Bonnie++ hard drive benchmark
http://www.coker.com.au/postal/    Postal SMTP/POP benchmark
http://www.coker.com.au/~russell/  My home page

-- 
fedora-devel-list mailing list
fedora-devel-list@xxxxxxxxxx
http://www.redhat.com/mailman/listinfo/fedora-devel-list

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Fedora Announce]     [Fedora Kernel]     [Fedora Testing]     [Fedora Formulas]     [Fedora PHP Devel]     [Kernel Development]     [Fedora Legacy]     [Fedora Maintainers]     [Fedora Desktop]     [PAM]     [Red Hat Development]     [Gimp]     [Yosemite News]
  Powered by Linux