[Kst] [Bug 139056] New: Advance 1 screen is *very* slow

Nicolas Brisset nicolas.brisset at eurocopter.com
Wed Dec 20 17:56:54 CET 2006

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           Summary: Advance 1 screen is *very* slow
           Product: kst
           Version: 1.3.1
          Platform: unspecified
        OS/Version: Solaris
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kst kde org
        ReportedBy: nicolas.brisset eurocopter com

Version:           1.3.1 (using KDE 3.4.0, compiled sources)
Compiler:          gcc version 3.4.3
OS:                SunOS (sun4u) release 5.8

I had not used this in quite some time, but I wanted to show someone how you can "scroll" through data by loading it on demand with the "advance 1 screen" action, and it is awfully slow. I have tried it with various datasources, and all are very slow.
It is in fact so slow that there must be a bug somewhere. Advancing 200 samples at a time with only one curve from gyrodata.dat takes 4 seconds each step !! (Loading the complete vector is faster !)

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