[Bf-cycles] Branched PT + Correlated Multi-Jitter & MIS on Background increase rendertimes tremendously!

Sergey Sharybin sergey.vfx at gmail.com
Fri Feb 27 10:42:24 CET 2015

Here's a really quick patch which seems to make CMJ really close to Sobol
on my computer now: http://www.pasteall.org/56937/diff

Can't commit it to master because it's quite dangerous change (using fast
sqrt might backfire in some scenes), but if someone can compile blender
could confirm performance improvements that'd be cool :)

On Fri, Feb 27, 2015 at 11:49 AM, Sergey Sharybin <sergey.vfx at gmail.com>

> It's not getting disabled, but it doesn't use some optimizations
> either.And seems we can use some CUDA intrinsics in few places to hopefully
> speed things up. Will give it a try.
> On Fri, Feb 27, 2015 at 8:55 AM, Zauber Paracelsus <zauber at gridmail.org>
> wrote:
>> Doesn't Correlated Multi-Jitter Sampling get disabled when rendering in
>> GPU mode?
>> _______________________________________________
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> --
> With best regards, Sergey Sharybin

With best regards, Sergey Sharybin
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