Le 02/12/2016 à 23:43, Paul Masson a écrit : > Three.js performance is highly dependent on how the browser interacts > with available graphics hardware. Chrome is the browser of choice for > Three.js developers, but Firefox has made great improvements in the last > couple years. If you're using the latest version of Firefox, then the > bottleneck will be the GPU on your machine: if the browser can't > interact efficiently with the GPU then the CPU has to pick up the slack. > I use the beta version (weekly update) of Firefox.
But why is three.js consuming cpu when the browser shouls have nothing to do ? (no interaction). Ok, this is not very important. t.d. > Rendering this scene in Firefox on my year-old Macbook Pro settles down > to around 30% of total CPU load. By contrast, rendering this scene in > Firefox on my slightly older Windows 10 machine with a better GPU > settles down to about 2% of total CPU load. > > Opening multiple browser windows with Three.js scenes on my Macbook will > bring the machine to a crawl and this is simply a machine limitation. I > was initially worried this would be a major problem for Sage notebooks > but it turns out not to be, since the notebook is a single browser window. > > On Friday, December 2, 2016 at 7:31:27 AM UTC-8, tdumont wrote: > > I have just tried three.js in 7.5 beta 5, doing (as in the doc): > > sage: sage: p1 = sphere(color='red', opacity='.5') > ....: sage: p2 = sphere((-1,-1,1), color='cyan', opacity='.3') > ....: sage: p3 = sphere((1,-1,-1), color='yellow', opacity='.7') > ....: sage: show(p1 + p2 + p3, viewer='threejs') > > My firefox is launched, and the result is nice ! > > But looking at the cpu consumption of firefox, I found that it takes > between 60% and 89% of one processor cpu time, even when I look at the > steady graphic (mouse pointer out of the window). > > May be there is nothing to do (some loop...), but this is quite much! > > t.d. > > -- > You received this message because you are subscribed to the Google > Groups "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to sage-devel+unsubscr...@googlegroups.com > <mailto:sage-devel+unsubscr...@googlegroups.com>. > To post to this group, send email to sage-devel@googlegroups.com > <mailto:sage-devel@googlegroups.com>. > Visit this group at https://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
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