This may be a red herring, but there have been one or two suggestions
that W7 is maxing out it's available memory more that anticipated. I saw
this reported o one of the newswires in the last day or so.

Andy




On Fri, 19 Feb 2010 21:12:07 -0000
"o00batman00o" <o00batman...@yahoo.com> wrote:

> I did not want to criticize kicad, I just wanted to know if other user 
> experience the same issue as me. I'm really satisfied about kicad functions.
> 
> For information, my configuration is the following: core2DUO P8700 2,54GHz 
> with 4Gb of RAM. The "graphic card" ;) is a Intel GMA4500MHD. I dont think 
> it's an hardware problem, it's just due to the bad openGL implementation 
> since Windows Vista. Kicad is running very well on my desktop PC using XP 
> with a lighter hardware configuration.
> 
> 
> --- In kicad-users@yahoogroups.com, Greg Dyess <gregory.dy...@...> wrote:
> >
> > OK, I think your rant against Windows is just a little over the top and 
> > adds nothing constructive to the conversation.  Some people don't have the 
> > choice to run whatever they want and that must be recognized.  KiCAD 
> > supports Windows and if there is a major performance issue, it should be 
> > looked into since the level of graphics processing is pretty minimal for 
> > KiCAD compared to real-time games, etc.
> > 
> > Having said that, I run KiCad on a machine (quad core, 2.4 GHz, 2 GB RAM) 
> > that dual-boots Windows XP Pro and Ubuntu 9.10.  I see no discernable 
> > difference in performance between the two, so it's highly unlikely that 
> > Windows vs Ubuntu can account for the performance issues the user is 
> > reporting.  I also run KiCad on a 3-year old laptop (dual-core, 32 bit @ 
> > 1.7 GHz with 2.5 GB RAM) and have performance complaints there either.
> > 
> > You didn't mention what hardware you are running this on, so it's hard to 
> > tell whether you are just simply underpowered for Windows 7.  Does your 
> > system run other applications well?  Have you checked the Task Manager 
> > and/or Performance Monitor to try to determine what resource is causing the 
> > bottleneck (CPU, Memory, Disk, Interrupts, etc)?
> > 
> > I would suggest you check the following:
> > 1. Check to make sure all of the third-party libraries are up to date and 
> > are compiled with the optimizing/release settings.
> > 2. Make sure you have plenty of RAM (at LEAST 2 GB or more).
> > 3. Make sure you have the latest optimized drivers for your video card.
> > 4. If you have BOINC running, make sure none of your projects are using the 
> > CUDA to push processing onto your graphics card.  If you do have this, make 
> > sure at lease you have it set to only use the GCU whenever it is not busy 
> > or your graphics willl be horribly slow on everything.
> > 
> > Check to see if you have any viruses or anything else running in the 
> > background soaking up CPU/GPU cycles.  
> > 
> > Greg
> > 
> > 
> > ________________________________
> > From: DanielW <dan...@...>
> > To: kicad-users@yahoogroups.com
> > Sent: Mon, February 15, 2010 1:53:09 PM
> > Subject: [kicad-users] Re: pcbnew is amazing slow under windows 7
> > 
> > There's another solution you're missing: use a CAD package that's designed 
> > to work well under Windows, unlike KiCad.
> > 
> > Someone who's willing to shell out hard-earned cash for Windows 7 should be 
> > happy to also buy a nice commercial CAD package, such as Orcad.  Trying to 
> > run Free software on Windows is just silly.  If you're going to buy into 
> > the whole commercial software thing, then don't do it halfway.  Use paid, 
> > commercial software for everything you do in Windows, as the whole 
> > environment is one where Microsoft and its ISV partners work together to 
> > bring you the software experience they think you should have, for a fee, 
> > and if you're bought Windows, then that proves that you also buy into 
> > Microsoft's vision.  Microsoft's vision does NOT include any Free software; 
> > they've stated this publicly over and over.
> > 
> > Personally, I'm perfectly happy with KiCad running on Kubuntu.
> > 
> > Dan
> > 
> > 
> > 
> > 
> > --- In kicad-users@yahoogroups.com, "dickelbeck" <dick@> wrote:
> > > 
> > > --- In kicad-users@yahoogroups.com, "o00batman00o" <anthony.siegrist@> 
> > > wrote:
> > > >
> > > > Hello
> > > > 
> > > > Since I upgraded to windows 7, I can't use pcbnew beacause the screen 
> > > > refresh is amazing slow. I can see dot grid showing up from left to 
> > > > right. I notice the same behavior on all PC running Windows Vista or 7.
> > > > 
> > > > My temporary solution is to run Kicad under Ubuntu via VirtualBox. By 
> > > > this way refreshing rate is in my opinion 10 times faster.
> > > > 
> > > > Does someone noticed the same issue? 
> > > 
> > > No, but I don't use Windows.
> > > 
> > > > Is there a solution ?
> > > 
> > > Use Ubuntu?
> > > 
> > > How much pain do you need, before you switch?  I hit my threshold 6 years 
> > > ago.  I assume you use Windows for a reason, is that reason so that you 
> > > can call Microsoft and get help on issues like this?
> > >
> > 
> > 
> > 
> > 
> > ------------------------------------
> > 
> > Please read the Kicad FAQ in the group files section before posting your 
> > question.
> > Please post your bug reports here. They will be picked up by the creator of 
> > Kicad.
> > Please visit http://www.kicadlib.org for details of how to contribute your 
> > symbols/modules to the kicad library.
> > For building Kicad from source and other development questions visit the 
> > kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups 
> > Links
> >
> 
> 
> 
> 
> ------------------------------------
> 
> Please read the Kicad FAQ in the group files section before posting your 
> question.
> Please post your bug reports here. They will be picked up by the creator of 
> Kicad.
> Please visit http://www.kicadlib.org for details of how to contribute your 
> symbols/modules to the kicad library.
> For building Kicad from source and other development questions visit the 
> kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups 
> Links
> 
> 
> 

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