Re: [Qemu-devel] [PATCH] Cocoa front-end performance improvement

[Andreas Färber]

Am 04.04.2009 um 12:26 schrieb Andreas Färber:

> Am 28.03.2009 um 02:39 schrieb Alexander Graf:
>
> > On 27.03.2009, at 19:47, Juha Riihimäki wrote:
> >
> > > Any comments on this patch? I'm surprised that nobody else has  
> > > noticed how horribly slow the qemu monitor or any qemu console  
> > > window is when using Cocoa. And the reason is simple, current  
> > > implementation is forcing asynchronous updates to be done  
> > > synchronously. Fixing this also removes the slowness.
> >
> > Looks good to me and works on a quick test.
> >
> > Signed-off-by: Alexander Graf <address@hidden>
>
> QEMU has always been horribly slow on OSX/ppc. Didn't measure the  
> exact performance improvements, but it doesn't seem to break anything.

On further tries, I notice a significant improvement when booting  
FreeBSD/i386.

On the other hand, Debian/sparc currently crashes for me (r6972), and  
with this patch applied I can't see the last OpenBIOS output:

[sparc] Booting file 'disk' with parameters ''
Trying disk (/iommu/sbus/espdma/esp/address@hidden,0)

Andreas