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MPG Table of Contents   Page 1: Photoshop CS4 Optimization (Introduction) Page 2: How to Configure Photoshop CS4 for best performance Page 3: Performance in Photoshop CS4 vs CS3 Page 4: Test results for Photoshop CS4 on Mac Pro Page 5: Test results for Photoshop CS4 on MacBook Pro Page 6: Using Solid State Drives (SSD) for Photoshop CS4 Scratch Page 7: Optimizing Photoshop CS4 on Apple MacBook Pro With Solid State Drives Page 8: MacBook Pro Photoshop CS4 speed demon SSD Page 9: Using a RAM disk as a Photoshop CS4 scratch disk Page 10: Photoshop CS4 Benchmark actions Page 11: Photoshop CS4 oddities Page 12: Photoshop CS4 Performance Conclusions and Recommendations

Performance in Photoshop CS4 vs CS3

CS4 is clearly faster on large files

Photoshop CS4 is a worthwhile upgrade for anyone working with large files.

Testing with the optimal configuration on the 32GB Mac Pro system shows that Photoshop CS3 takes 17% longer to execute diglloydMedium benchmark.

This fact alone will make the upgrade price worth it to anyone working with large files. Remember, a 3.2GHz Mac Pro is only 14% faster than a 2.8GHz model, and that’s best-case and with a huge price premium.

CS3 and BiggerTiles, DisableScratchCompress plugins

The Configuration page discusses how important it is to use the BiggerTiles and DisableScratchCompress plugins with Photoshop CS4.

With Photoshop CS3 it’s even more critical. Compare these times for diglloydMedium (32GB, 4-drive striped RAID):

CS4 with/without plugins: 71 / 101 seconds = +42% longer

CS3 with/without plugins: 83 / 183 seconds = +120% longer

These results were so startling that the tests were run a second time.