"Thorsten Froehlich" <nomail@nomail> wrote:
> "Fractracer" <lg.### [at] gmailcom> wrote:
> > "Thorsten Froehlich" <nomail@nomail> wrote:
> > > "Fractracer" <lg.### [at] gmailcom> wrote:
> > > > I don't know if my question do go in this group. But...
> > > > Why rendering with medias are slower with pov3.7, more then two times longer
as
> > > > with pov3.6? I use rarely the 3.7 version.
> > >
> > > My crystal ball suggests that a black wizard inside your computer makes media
> > > slower for you.
> > >
> > > No serious: You make a generic claim without any additional information. How is
> > > anybody to offer any help with your problem if you do not even provide any means
> > > to replicate your specific problem?
> > >
> > > Thorsten
> >
> > Here the times for the same little scene:
> > V3.7
> > Render Time:
> >   Photon Time:      No photons
> >   Radiosity Time:   No radiosity
> >   Trace Time:       0 hours  0 minutes  5 seconds (5.211 seconds)
> >               using 2 thread(s) with 9.749 CPU-seconds total
> >
> >
> > V3.6
> > Total Scene Processing Times
> >   Parse Time:    0 hours  0 minutes  0 seconds (0 seconds)
> >   Photon Time:   0 hours  0 minutes  0 seconds (0 seconds)
> >   Render Time:   0 hours  0 minutes  8 seconds (8 seconds)
> >   Total Time:    0 hours  0 minutes  8 seconds (8 seconds)
> > CPU time used: kernel 1.15 seconds, user 7.02 seconds, total 8.17 seconds
> > Render averaged 37580.50 PPS over 307200 pixels
> >
> > In this simple scene you can see that the rendering is slower with v3.7 (9.749
> > vs 8.17). If I use a big scene the difference increase.
> > The scene file used is the same.
> > I hope you have enough informations to understand my problem.
>
> How do the times help to replicate your problem? Please be specific! You say you
> have some scene and you claim its media is slower, how did you determine media
> is the problem? Do all media scenes render slower? You need to provide a minimal
> sample scene, assuming you can actually replicate the problem and show that it
> is media related.
>
> Thorsten
I re-render the scene without medias and the trace time are also very different
(37 secondes with 3.6 and 99 sec with 3.7). Maybe medias are not in cause, but
objects with hollow. And the pictures are different in shining.

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