July 29, 2008

Lightroom 2 in 64-bit Glory

Lightroom 2 was just released today and I immediately got the upgrade. After waiting a bit to get the serial number for the new version I installed it and upgraded my catalogs. Everything worked perfectly.

One of the first things I wanted to test was using Lightroom in 64-bit mode. My Mac Pro has 7 gig of RAM so enabling 64-bit would give Lightroom some room to stretch. Here is the 32-bit snapshot of memory usage after some extensive usage.


and here we are after unchecking the 32-bit” checkbox on Lightroom 2.app.


Note that at launch Lightroom loaded into it’s typical footprint. After I scanned through a few thousand photos though it had allocated itself out into some nice 64-bit space. And as a user, it’s very noticeable. I was able to flip around in my catalog so much faster than in 32-bit mode and I noticed that I seemed to be thrashing the hard disk a lot less.

Lightroom is the first application that I’ll use on a regular basis where 64-bit makes a big difference. Sure server applications benefit from 64-bit, but seeing Lightroom perform so much faster in 64-bit makes me really hope that most of my applications are there soon.

Congrats to the Lightroom team for getting this milestone in!

Apple Lightroom Hobbies Techie

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