Re: Cocoa-Java-based Universal Binary?
Re: Cocoa-Java-based Universal Binary?
- Subject: Re: Cocoa-Java-based Universal Binary?
- From: John Stiles <email@hidden>
- Date: Mon, 13 Jun 2005 22:39:07 -0700
On Jun 13, 2005, at 9:44 PM, Bob Ippolito wrote:
On Jun 13, 2005, at 11:42 PM, James Duncan Davidson wrote:
On Jun 13, 2005, at 20:26 , Tim Lucas wrote:
Do you need to create a universal binary for the bootstrap
routine? Surely Rosetta would be sufficient for the bootstrap if
the Java portion runs in the native JVM.
It's not just the bootstrap--it's the Cocoa frameworks themselves
that are on the other side of the Java bridge that would be
running in Rosetta. Not optimal.
It would be surprising if Apple *didn't* put hooks into Rosetta to
recognize system frameworks like AppKit and use a native
implementation. I'd be pretty impressed if they were getting the
kind of performance that I saw at WWDC with pure emulation of the
whole userland stack -- it has to go native at some point, I would
hope that they can do it a bit higher level than system calls.
I believe most of the frameworks need to stay emulated because of all
the potential endian issues involved.
FWIW Rosetta looks solid but it sure didn't seem like a speed demon
to me :)
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