articles/Photoshop/adobecreativeuitecs4-page3
by Mike McNamee Published 01/02/2009
The next test we did was to apply Radial Blur to a 120MB file, using CS4 in both 32-bit and 64-bit modes. In both cases, all eight processors of the CPU appeared to be at work. The 64-bit version took 67 seconds, the 32- bit version took 74 seconds, a difference of about 10%. Nothing there to justify paying almost £3,000 for our monster work station.
Our final test consisted of assembling 20 images into a single large file, for printing. Each file was around 12MB and the assembled file was 545MB as layers and 267MB as a flattened file. This took 5.2 seconds to open as a 20-layer file with a Photoshop scratch file demand of between 2.02GB and 7.0GB as we worked on the file. We work files of this size on an occasional basis and it was the first time we noted that we were actually getting a real payback on all the RAM and processors we had installed. Photoshop allowed us to allocate 10GB of the 14.7GB available from the 16GB installed in the machine.
There was some slowing of the machine during the manipulation of the assembly but nothing that troubled us.
Speed - the general feel
Tighter integration of the separate parts of the Adobe CS4 Suite is one of the claims, rather than fancy new whistles and bells. For the graphic design user this is important and defines how the program feels when in use. It is difficult to put a metric on this 'feel' but an easy test is to time the program start-up from cold. For some this may be a once-a-day activity and the timing matters little, others have to move from program to program quite a lot. An example is when a client phones to ask about something and you have to fire up a computer to answer their query - the couple of minutes to start the OS and the programs can seem like an eternity!
This timing does indicate how tight the code is and the CS4 applications are faster in every respect for both opening and reopening the programs. InDesign CS4 is, however, slower than InDesign CS2 but still twice as quick as InDesign CS3, suggesting that new functionality comes at a price.
The results are table on the next page.
The Interface
The interface has changed with both cosmetic modifications and attempts to boost productivity. The most-used features have been added as buttons on the top menu bar and joined by the new, Arrange Documents button, the Rotate View button and Extras (guides, grids and rulers). At the side fly-out tab you are shown an Adjustments Panel and a Mask Panel (see screen grabs). Setting the adjustments to affect one layer (ie 'clipping') now has its own button, an improvement over the previously fiddly Alt- Clicking the join line in the Layer Palette.The Masks tab now collects together some of the functionality from the Layers palette, the Refine Edges and the Selective Color Tool. This makes masking more of a one-stopshop. The Extract Filter (and the pattern maker) have been removed from the Filter drop down. The Extract Filter, for example, is now available as an 'extra' on the install CD.
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