Have you tried starting Nuke with -m 16 and trying the same test? This tells Nuke how many threads you want to use vs. how many cores your computer has.
Cheers On 2012-12-05, at 10:13 AM, Neil Scholes <[email protected]> wrote: > Hi Peter - thanks > > Yes ext4 > > ok with your suggested setup - i get half of the cores being used ( 8 threads > out of 16) - and out of that half - only one of the threads is using a full > 100% - the rest are down by around 10% > > This sound right? > > > Neil Scholes > > www.uvfilms.co.uk > +44 (0) 7977 456 197 > > On 05/12/12 14:48, Peter Pearson wrote: >> On 05/12/12 14:39, Neil Scholes wrote: >>> ok - >>> >>> im reading off my local raid 0 drive - which is fast enough to play back >>> 2k DPX realtime. >>> >>> But Im also rendering to that disc also.. is this the issue perhaps? >> >> Most probably depending on what disk buffering is set up - I'm guessing the >> file system is ext4? >> >> Best test is to use a new Nuke script, 4k checkerboard -> defocus node (with >> defocus set to 60 or something), view that in fullscreen and see if it uses >> more cores then. >> >> That eliminates disk IO completely. >> >> If it's still not using all the cores, put the mouse over the DAG and press >> x, then type "[set threads]" (without the quotes) and press OK. >> >> It should return a message box with: Syntax error at "x", where x is the >> number of threads Nuke is configured to use. >> >> Check that with how many cores you've got. >> >> Cheers, >> Peter > > _______________________________________________ > 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
