Re: AppleScript runs slow on Intel Macs
Re: AppleScript runs slow on Intel Macs
- Subject: Re: AppleScript runs slow on Intel Macs
- From: "hackmiester (Hunter Fuller)" <email@hidden>
- Date: Thu, 21 Sep 2006 20:19:26 -0500
On 21 September 2006, at 20:03, Christopher Nebel wrote:
On Sep 21, 2006, at 4:01 PM, Michelle Steiner wrote:
On Sep 21, 2006, at 11:50 AM, Christopher Nebel wrote:
A suggestion on my local Mac forum is that the Intel Mac's
require AppleScript files to be saved as bundles, else they will
be run as PPC files by Rosetta.
Can anyone confirm or contradict that?
That's true if and only if you're referring to scripts saved as
applications. The script itself does not contain any PPC or x86
code -- it's data that's fed to the AppleScript interpreter.
What matters is the flavor of the executable running the script.
Are you saying that if you save a script as an application,
without saving it as an application bundle, it will require
Rosetta to run? Even if you're saving it on an Intel Mac?
That's correct.
In my experience, that isn't the case. I can confirm this because I
have screwed up /usr on my box and repaired and hacked at it until I
was blue in the face (or some other more appropriate cliché), but
Rosetta still won't work. So I can tell if it needs rosetta or not,
although I wish it wasn't like that... :-)
But why does this script take anywhere from 18 to 25 seconds on a
1.83 GHz Intel iMac?
tell application "Finder"
repeat 1500 times
get current date
end repeat
beep
end tell
Yet this one is almost instantaneous
set x to 0
tell application "Finder"
repeat 1500 times
set x to x + 1
end repeat
beep
end tell
Because the first one sends 1500 events to the Finder (which may be
busy doing other things, hence the variance), and the second one
doesn't. Math operators are executed entirely in-process,
regardless of any "tell" block. Try watching the event log.
--Chris Nebel
AppleScript Engineering
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--
hackmiester (Hunter Fuller)
<svinx> yknow when you go to a party, and everyones hooked up except
one guy and one girl
<svinx> and so they look at each other like.. do we have to?
<svinx> intel & nvidia must be lookin at each other like that right now
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