Notes:

iMac OSX: iMac G4, 1GHz CPU, 256Mb RAM, OS 10.2.8

Win 98 (higher spec): Toshiba Satellite Pro, Pentium 3, 1GHz CPU, 256MB RAM

Win 98 and XP (lower spec): Celeron 400MHz CPU, 64Mb RAM

Windows 2000 Server: Pentium 4, 2.35GHz CPU, 1.2Gb RAM Compaq Proliant Server, Windows 2000 Small Business Server

Linux Server: Bravo AMD XP 2.2GHz, 256Mb RAM, Susi V8.2

Network: All 100MHz Ethernet cards through same switch

Other Relevant FAQs

Data File Segments

Caliach Vision: Data File Network Performance

This technical note reports findings based on a 50Mb Caliach Vision V1.30 data file and illustrates the differences in data access performance for 4 client machines operating against two servers using direct access and Omnis Data Bridge access.

Client data access test (larger is slower) Win2000 Direct Win2000 ODB Linux Direct Linux ODB
iMac OSX 1.913 0.526 1.039 0.570
Windows 98 (higher spec) 0.766 0.839 0.782 0.838
Windows 98 (lower spec) 0.688 0.834 0.317 0.839
Windows XP (lower spec) 1.027 0.685 1.020 0.704
Average 1.099 0.721 0.790 0.738
Percent Faster than Worst Case
       
iMac OSX 0% 264% 84% 236%
Windows 98 (higher spec) 150% 128% 145% 128%
Windows 98 (lower spec) 178% 129% 503% 128%
Windows XP (lower spec) 86% 179% 88% 171%
Percent Faster with ODB (-ve is worse performance)
       
iMac OSX   264%   82%
Windows 98 (higher spec)   -9%   -7%
Windows 98 (lower spec)   -18%   -62%
Windows XP (lower spec)   50%   45%
Average   52%   7%

Average CPU Test Time is the time taken to perform a standard set of CPU intensive activities (including opening and closing windows) in Omnis without datafile access. Highest performing machines have lower numbers.

Average CPU Test Time Secs
iMac OSX 20.106
Windows 98 (higher spec) 8.821
Windows 98 (lower spec) 21.231
Windows XP (lower spec) 27.234