Performance under Windows



Hello All,
I am experiencing pretty horrible performance with Dia under Windows. I was wondering if other Windows users have the same problem, and if using Linux really helps that much (that's not really an option for me right now, but I'd be interested to know). I would very much like to know if an upcoming version is expected to improve performance, either under Windows specifically or in general. If so, which version? I'm running the binary distribution of Dia v0.91 on Windows 2000 SP2, PIII-1GHz Coppermine [dual], 384MB SDR SDRAM, Intel 440BX chipset.

Part of my problem might be my custom shapes. I made a diagram using "Standard", "LADDER", and "Circuit" stencils and although it was very slow one might considere it usable. Then I created two custom shapes for Ladder Diagrams: "PowerRail" and "GroundRail", each of which has about 40 connection points (a standard construct for ladder diagrams). Any editing of a diagram that contains these shapes is painfully slow and in my opinion not usable. When I say "painfully slow" I'm talking about the placement, editing, and movement of new objects on the diagram (after the placement of my custom objects). These new objects are based on predefined shapes which perform much better when my custom objects are not present. The delay between a mouse-drag movement and the drawing of the shape in its new location is about two seconds.

Is there a known performance issue with editing diagrams that have large numbers of connection points? I searched the dia-list archives for subjects containing "performance" or "slow" and found nothing. Is an upcoming version of GTK+ for Windows (Dia v0.91 uses GTK+ v2.2.1) expected to have performance improvements that would affect Dia?

Thanks in advance,
Christopher Bahns
AHV Systems, Inc.






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