On Fri, 02 Mar 2012 11:17:55 William Stein wrote: > Hi, > > I thought that if I rendered a 3d scene using viewer='tachyon', then > it would use the multiple cores of my computer to render the scene > more quickly. However, I was just rendering a complicated 3d scene > for my class (that takes about 30 seconds), and in top I see the > attached screenshot -- in particular, there is only 1 thread. > I'm using a Core i7 OS X 10.7 laptop that has at least 2 processors > (and "4 hardware threads", I think), and Sage Version 5.0.beta2. > > Anyway, I'm very surprised. Is this a new bug or just something we > never enabled or what? > I'd have to check but I think you cannot have threading and opengl at the same time. We may have chosen opengl over threading in sage.
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