Zero-copy patch

[Jacky Lam]

No change is source level. I just change the test platform from x86 to MIPS. Maybe my MIPS's throughput level is CPU power and this patch helps that.

I am still investigating the problem and will send you the patch if I fix it.

Jacky

> -----Original Message-----
> From: Jeremy Allison [mailto:jra at samba.org]
> Sent: Friday, February 11, 2011 11:45 AM
> To: Jeremy Allison
> Cc: Jacky Lam; Volker.Lendecke at SerNet.DE; samba-
> technical at lists.samba.org
> Subject: Re: Zero-copy patch
>
> On Thu, Feb 10, 2011 at 07:42:45PM -0800, Jeremy Allison wrote:
> > On Thu, Feb 10, 2011 at 10:39:44PM -0500, Jacky Lam wrote:
> > > Jeremy,
> > >
> > >   I try again the patch on my MIPS platform and happily find that
> the throughput improves by 20%. However, I get some data corruption. I
> find there is some chance the order of two 64K data packets is reversed.
> Who is the author of this patch? Need to submit the bug to him?
> >
> > Wow - that's interesting. Why the change ?
>
> And in this I mean why the change from the 5% you
> originally reported to the 20% ? What changed
> between the two tests ?
>
> Jeremy.

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