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2004-01 - Continued

Seven single and multi-step tasks were performed in Photoshop CS for Windows and Mac:

  • Multi-step resample: The time it took to resample up an 8-bits per colour Nikon D100 photo, in seven 110% increments, for printing on a 13 x 19 inch inkjet printer at 300 ppi, was tested.

  • Unsharp Mask: The time it took to apply Unsharp Mask (Amount: 300% Radius: 1.5 Threshold: 1) then Fade the filter (Mode: Luminosity, Opacity: 100%), was tested. The photo's resolution was 20 x 30 inches at 300 ppi, 8-bits per colour.

  • Shadow/Highlight: One of the most impressive new features for digital photographers in Photoshop CS is also one of the most processor-intensive. The time it took to apply the Shadow/Highlight filter to a 16-bits per colour Canon EOS-1Ds file was tested. Shadow Amount was set to 36%; Highlight Amount, 0%.

  • Batch process using web site Action: The time it took to batch process 25 Nikon D100 JPEGs (all 8-bits per colour), saving them out as quality level 70 JPEGs using Save for Web, was tested. The processing steps were derived from an Action used in preparing photos for this web site: assign an ICC profile, rotate, filter noise with Quantum Mechanic Pro, apply Unsharp Mask, Fade Unsharp Mask, resize to 450 pixels wide in three steps, apply Unsharp Mask, Fade Unsharp Mask, convert to sRGB, Export using Save for Web.

  • Batch process using event Action: The time it took to batch process 25 Canon EOS-1D JPEGs (all 8-bits per colour), saving them out as quality level 10, baseline optimized JPEGs was tested. The processing steps are derived from a modified version of an Action used by Calgary, Canada-based event photographer Dave Lazarowych. These steps include: rotate, filter noise with Quantum Mechanic Pro, apply Unsharp Mask, Fade Unsharp Mask, copy, paste and position the photo in a custom event frame, flatten layers then save as a JPEG.

  • Process photos into a Web Photo Gallery: The time it took to process 25 Nikon D100 JPEG (all 8-bits per colour) photos using Photoshop's Web Photo Gallery automation plug-in was tested.

  • Create a printable contact sheet: The time it took to create an 8 x 10 inch, 200 ppi contact sheet of 25 Canon EOS 10D JPEGs (all 8-bits per colour) using the Contact Sheet II automation plug-in was tested.
All results are in seconds. Single photo processing times are rounded to the nearest 0.1 of a second; batch processing times are rounded to the nearest full second. The fastest times for each task are in bold.
 
Task
Dell Precision 450 Dual Xeon 3.06GHz w/2GB RAM, WinXP Pro
(seconds)
Apple Power Mac G5/2.0GHz Dual w/2GB RAM, OS X 10.3.2
(seconds)
Dell Precision 360 P4 3.2GHz w/2GB RAM, WinXP Pro
(seconds)
Apple Power Mac G5/1.8GHz w/2GB RAM, OS X 10.3.2
(seconds)
Multi-step resample of Nikon D100 JPEG for 13 x 19 printer
2.7
4.0
3.1
5.3
Unsharp Mask of 20 x 30 inch, 300 ppi photo
4.9
4.2
6.3
6.3
Shadow/Highlight filter on Canon EOS-1Ds photo
9.6
10.4
11.7
14.9
Batch process 25 Nikon D100 JPEG photos using web site Action
119
144
120
174
Batch process 25 Canon EOS-1D JPEG photos using event Action
206
234
179
261
Process 25 Nikon D100 JPEG photos into Web Photo Gallery
23
33
23
40
Create a printable contact sheet of 25 Canon EOS 10D photos using Contact Sheet II
26
37
27
46
Testing notes: Photoshop memory usage was set to a maximum of 75%. The number of History States was set to 1. Cache Levels was set to 1.
Next Page: Multitasking with Photoshop et al
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