Yes, I'm merging lots of reads into one stream. I assumed that Nuke only grabs the channels it needs at the time, and that any channels merged in that aren't used, don't load into RAM. Is this wrong?
R On Wed, Jun 19, 2013 at 5:14 PM, Elias Ericsson Rydberg < [email protected]> wrote: > I assume you're merging all the channels into one big stream? Does memory > use go down if you don't? > > > 2013/6/19 Ryan O'Phelan <[email protected]> > >> I'm running out of memory on the farm on one of my comps. >> I don't remember running into this kind of thing with a comp of this size >> on nuke 6.3x and I'm wondering if I have missed something. >> >> I've precomped all the branches that I can. >> >> I've also turned off all postage stamps. >> >> I've also tried turning down the cache memory usage to 10%, along with >> turning all memory settings to very low. >> >> Renders consistently run out of ram on the farm. The farm nodes have 16GB >> RAM. >> On my comp station, this comp eats 22GB of RAM, until I clear the buffers. >> >> >> It's a somewhat large comp. 781 nodes. 762 channels. About 75 read nodes >> (reads are CG passes) >> HD inputs are between 2MB/frame and 8MB/frame >> Rendering zip1 16 half EXR >> >> Environment: >> Windows 7 >> Nuke 7.0v6 >> same config on farm, except 16GB RAM >> >> >> Looking at my buffer report, I'm noticing a large amount of ChannleMerge >> nodes reporting memory usage of 300-400MB each. For example: >> >> ChannelMerge >> >> total usage: 339MB >> >> user data: >> >> cacheRegion 1920x1080 >> >> channels >> >> [... lots of channels listed here ...] >> >> usage 100% >> >> lossage 19 >> >> weight 0x0 >> >> >> >> another example: >> >> >> ShuffleCopy >> >> total usage: 247MB >> >> user data: >> >> cacheRegion 1928x1088 >> >> channels >> extraTex_vrayUserColor_restaurant01.g,nigel.body,props.dump,lloyd.body,linus,extraTex_vrayUserColor_set03.r,reflect.red,reflect.green,reflect.blue,refract.red,refract.green,refract.blue,specular.red,specular.green,specular.blue,GI.red,GI.green,GI.blue,SSS.r,SSS.g,SSS.b,diffuse.r,diffuse.g,diffuse.b,lighting.red,lighting.green,lighting.blue,extraTex_vrayUserColor_interiors.g,extraTex_vrayUserColor_restaurant02.r,extraTex_vrayUserColor_set01.g,extraTex_vrayUserColor_set01.b,extraTex_vrayUserColor_set02.r,extraTex_vrayUserColor_set02.g,extraTex_vrayUserColor_set03.g,gush.a,normWorld.r,normWorld.g,normWorld.b,gg.body,gg.hair,bldg.green,bldg.blue,bldg.alpha,lloyd.stripe >> >> usage 100% >> >> weight 0x0 >> >> >> Is this normal? >> >> Why are there lots of channels listed in the ChannelMerge node, when it >> should only be evaluating two input channels, and outputing one channel? >> >> >> Why is this comp so heavy? >> >> What am I missing here? >> >> >> Thanks for your help, >> >> Ryan >> >> >> >> >> >> >> _______________________________________________ >> Nuke-users mailing list >> [email protected], http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >> > > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >
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