[Bf-committers] Default for Raytracer Instancing

[Daniel Salazar - 3Developer.com]

bassam/randall you do know that instancing will only work on duplis?
and not on shared mesh objects? I wonder how your scene is setup

Daniel Salazar
www.3developer.com



2011/1/30 Bassam Kurdali <bkurdali at freefactory.org>:
> I have noticed this too, turning on instancing, in scenes with lots of
> instances, sometime leads to longer render times. In the past it has
> been faster, too, so I don't know what's going on, or why it should have
> these results.
>
> On Sun, 2011-01-30 at 10:00 -0800, Randall Rickert wrote:
>> When I read the post about instancing being off by default, I was in the
>> middle of a big project with raytracing and lots of instancing. I can
>> turn on instancing to save some rendering time, right?
>>
>> Wrong! Turning on instancing gave me longer render times, and it also
>> made a small but visible difference in final gather. This is just the
>> first file I tried rendering with instancing turned on, and I have not
>> tried with other projects yet. Definitely not a large enough sampling to
>> draw broad conclusions, but maybe turning it on by default is not such a
>> simple answer after all.
>>
>> -Randall
>>
>> > On 21 January 2011 10:39, Daniel Salazar - 3Developer.com
>> > <zanqdo at gmail.com>wrote:
>> >
>> > > There's an option in the Performance panel in Render Properties called
>> > > Instances, it allows the raytracer to memory instance all duplis, IMO
>> > > this option should be on by default (if optional at all) since, from
>> > > talking to Jaguarandy some time ago, it should not bring any problems
>> > > or speed increase in any case, to the contrary, the speed and memory
>> > > usage when using duplis gets much better. Also sadly many people
>> > > ignore this setting so they don't benefit from it.
>> > >
>> > > cheers
>> > >
>> > > Daniel Salazar
>> > > _______________________________________________
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>>
>>
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