Am 19.02.2016 um 03:51 schrieb esterichia:
> I'm using ubuntu 15.10 on a laptop with processor Intel i7-6700HQ Quad Core. I
> installed povray 3.7 (to be precise 3.7.0.0-8build1) from the repositories and I
> noticed it was using only one processor. I uninstalled it, downloaded the
> sources from github and compiled. Now it is using multi-threading.
> Is this the expected behavior or a bug? May it be related to the hardware or the
> OS?

The build provided by Ubuntu contains some modifications to the code, so
we can only provide limited support for it, especially when it comes to
behaviour that differs from the official version as published by the
POV-Ray dev team.

You should probably ask Andreas Beckmann (anb### [at] debianorg) whether this
behaviour of the Ubuntu build is intended or otherwise; he seems to be
in charge of maintaining that build.

Also, "the sources from github" is a rather fuzzy specification; did you
take the source from the current master branch, or the official 3.7.0.0
tag? In the former case, the difference /may/ be caused by one of the
countless changes in the official code.

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