Grid size has changed in ACR

Question

In ACR (CS6), when you rotate a crop to straighten a picture, a grid appears to help you get horizons straight. I've noticed that for some reason that the grid looks much finer than normal - see here:
Beforehand it used to look like this:
How do you revert the grid so it looks the same in the second image?

Answer 1

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mikeengles wrote:
As computers become more powerful and memory is so cheap and plentiful, the trend will eventually mean that all compositing and  processing will be done on RAW images.
I don't see why that has to follow, but I'm clearly not thinking like everyone else.  I see Camera Raw as a means to get great data into Photoshop proper for editing.  Why reinvent the wheel?  Photoshop works.  I'll be the first to say, however, that Adobe has left a number of things alone that they should have updated - functions and filters that only work on 8 bit per channel data, for example.  Perhaps they see the trend as you do - no need to work on that antiquated stuff when everyone's looking to metadata-based operations in the future.
I think it'll be quite a few years before computers are powerful enough to process all the metadata needed to represent an end-to-end editing session in real time, though.  And so it will remain most interactive to edit RGB pixels for the foreseeable future.  Note the threads around here, for example, where people complain how sluggish Camera Raw has become.  And just try editing an image that's got a stack of smart filters of any significant size.
The modern GPU can crunch through a lot of graphics data in an eyeblink.  I hope I'm wrong about how long it will take to get GPUs working directly on the task.
-Noel