Re: [B2-devel] Linux + SheepShaver = extremely slow boot up...

[Jason Q. <ja...@ja...>]

Hi Natalia!

Thanks very much for your reply. So, if I switch off the JIT on Linux,
I'll get decent startup times?

I don't notice any serious performance problems under Windows.

One thing though, how much could possibly be cached? If it takes 30
seconds under Windows under VMware and the emulated machine is pretty
snappy, what exactly is being cached under Linux in order to take over
5 minutes to boot? Surely all this would do is add an initial 30
seconds or so before the boot process begins.

Cheers,
Jason.

On 8/12/06, Natalia Portillo <cl...@cl...> wrote:
> that is surely because the opcode conversion cache (If im not wrong,
> that is how SS works currently) - the JIT and so on
>
> When it is booting it is executing almost all PowerPC instructions
> (belive me, MacOS does most! xD), so they are converted, then, they
> are already cached and things works faster.
>
> I think in Windows JIT is currently broken, so there is no so cache
> in windows and that's why boots faster (but, therorically, you should
> see it is really faster in Linux).
>
> I hope it helped.
>
> El 10/08/2006, a las 18:26, Jason Quigley escribi=F3:
>
> > Hi Everybody!
> >
> > I compiled the cvs version of SS to see how it performs. Booting up
> > takes something in the order of five minutes - until it gets to the
> > "welcome to mac os" screen, then it runs quite quickly.
> >
> > Next, I tried the RPM from the wiki (using alien to make a DEB for
> > Ubuntu) and the same slow boot up occurred.
> >
> > Using the exact same disk image and ROM, I downloaded and installed
> > SS to run under Windows (via VMware) and it boots in less than 30
> > seconds.
> >
> > Is there a known problem with the Linux version? Is there any other
> > information you would like me to supply?
> >
> > Many thanks,
> > Jason.
> >
> > Ubuntu Edgy: 2.6.15-26-686
> >
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