Billabong Posted February 16, 2008 Share Posted February 16, 2008 I have a question about my RAM usage, I have 8 gigs of Ram with XP Pro 64bit. but I did a little test and watched my ram usage as I rendered just a region of my scene, . now the cpu usage shoots up to 100!, and in availible RAM it says I have about 6 gigs left. Am I not reading this right. I am using max 64 as well, I guess what Im asking is is my entire cpu resources being used. just doesnt seem like a little region render would do this Link to comment Share on other sites More sharing options...
Ricardo Eloy Posted February 16, 2008 Share Posted February 16, 2008 Ain't no expert here, but I believe the amount of RAM you got doesn't interfere on the CPU usage. I mean, we are talking about your processor, so you can use all of your processing power and not all your RAM. Small scenes can take very little RAM to render, but if they have lots of reflections, refractions, displacement, etc, those will eat up your CPU power. Link to comment Share on other sites More sharing options...
Billabong Posted February 16, 2008 Author Share Posted February 16, 2008 ok thanks Rick, I got a lot of foliage in this scene which is probably whats eating it up. Thanks again Link to comment Share on other sites More sharing options...
Macer Posted February 16, 2008 Share Posted February 16, 2008 Rendering packages should always use 100% of cpu (processing power) unless you tell it otherwise. It is calculating information as quickly as it can. The RAM is moving that information back and forth to the cpu. As Rick said, scene complexity, high res material maps, complex lighting, etc will be a deciding factor in RAM consumption. If you do hit you RAM limit things really slow down - or crash - best avoided! Its always goood to have some RAM spare. Hope this helps. Link to comment Share on other sites More sharing options...
jcsDesigns Posted February 22, 2008 Share Posted February 22, 2008 I believe that windows xp only ever see's a maximum of 2gig of ram on any one program, therefore if you have 8gig say, it only ever uses 2! Vista 64bit however will see what ever is available and use it if necessary. Link to comment Share on other sites More sharing options...
Billabong Posted February 22, 2008 Author Share Posted February 22, 2008 So your saying even on XP 64 bit, Windows will only read 2 gigs? Link to comment Share on other sites More sharing options...
jcsDesigns Posted February 22, 2008 Share Posted February 22, 2008 apparently so! check it out... Link to comment Share on other sites More sharing options...
Billabong Posted February 22, 2008 Author Share Posted February 22, 2008 well thats not cool Link to comment Share on other sites More sharing options...
Matt Clementson Posted February 22, 2008 Share Posted February 22, 2008 64-bit MAX running on 64-bit XP *will* see all your RAM. It's only 32-bit apps that can't. Link to comment Share on other sites More sharing options...
Billabong Posted February 22, 2008 Author Share Posted February 22, 2008 Thats what I thought, Thanks Matt Link to comment Share on other sites More sharing options...
jcsDesigns Posted February 22, 2008 Share Posted February 22, 2008 Well somone has been telling me porky pie's then? I will look into this I thought it was strange, cheers Mat. Link to comment Share on other sites More sharing options...
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