iMAC & LR using 175% CPU?

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Craig Yannuzzi
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p.1 #1 · iMAC & LR using 175% CPU?

Just upgraded to Snow Leopard on a 27" iMAC and LR seems to be very sluggish with lots of spinning rainbows? Activity monitor show at times LR using 170-80% of CPU.

Anyone else notice this when moving to Snow Leopard?

Is this normal? I expected better performance when moving from my 20" iMAC with 3g of RAM.

Any suggestions to resolve this issue?

Thanks!!

Nov 07, 2009 at 05:19 AM

Cyrus Price
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p.1 #2 · iMAC & LR using 175% CPU?

Had a similar problem when I moved to the new Imac with snowleopard. I tracked the problem down to the migration assistant not doing a great job of copying the applications from the old imac to the new. I ran an install with the SL disks and seemed to fix the problem.

Nov 07, 2009 at 06:26 AM

howardm4
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p.1 #3 · iMAC & LR using 175% CPU?

Cyrus, pls explain more about what you mean.

Nov 07, 2009 at 12:20 PM

Craig Yannuzzi
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p.1 #4 · iMAC & LR using 175% CPU?

howardm4 wrote:
Cyrus, pls explain more about what you mean.

yes please

Nov 07, 2009 at 01:29 PM

az-dave
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p.1 #5 · iMAC & LR using 175% CPU?

Also make sure Light Room is launching in 64 bit mode.

Dave

Nov 08, 2009 at 12:42 AM

LDR99
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p.1 #6 · iMAC & LR using 175% CPU?

az-dave wrote:
Also make sure Light Room is launching in 64 bit mode.

Dave

Sorry for being the dolt, but how do I make sure LR is launching in 64 bit mode. I can't seem to find it in preferences.

Thanks.

Lorin

Nov 09, 2009 at 03:42 AM

v.bampton
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p.1 #7 · iMAC & LR using 175% CPU?

Find the app in the Applications folder, Cmd-I to show the Get Info window, you'll find the checkbox there.

Nov 09, 2009 at 03:07 PM

LDR99
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p.1 #8 · iMAC & LR using 175% CPU?

Thanks. But the info box only gives me the choice of "open in 32-bit mode" and "locked".

Am I missing something?

LR 2.4 Imac 2.8 core 2 Duo, 4 gb ram running OS X 10.6

Lorin

Nov 10, 2009 at 02:29 AM

peterparker
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p.1 #9 · iMAC & LR using 175% CPU?

If "open in 32-bit mode" is not checked it will run 64-bit.

Nov 10, 2009 at 02:44 AM

Craig Yannuzzi
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p.1 #10 · iMAC & LR using 175% CPU?

Update to my original post after getting no where with Adobe Tech Support. Finally resolved the problem (fingers crossed) by reinstalling SL.

Suggestions from Adobe included:
- launch in 64 bit as mentioned above
- optimize and relaunch catalog in use
- reinstall LR
- delete preference files

No of the above resolved the problem but I'm sure contribute to the overall functionality of LR.

Nov 10, 2009 at 02:53 AM

LDR99
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p.1 #11 · iMAC & LR using 175% CPU?

peterparker wrote:
If "open in 32-bit mode" is not checked it will run 64-bit.

Check. Thanks.

Lorin

Nov 10, 2009 at 04:45 AM

Craig Yannuzzi
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p.1 #12 · iMAC & LR using 175% CPU?

Update on my Update.....

Still very slow and glitchy.

Whats very frustrating is that sometimes when open it runs fine and then at others its almost unusable.

This happening to anyone else??

Nov 10, 2009 at 12:56 PM


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