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Cycles Persistent Data

TheMysteryIsThePointTheMysteryIsThePoint Posts: 2,958
in Blender Discussion

I don't know how I could have missed this; I thought it was just in E-Cycles but not main.

On the Render Properties tab, under Performance, Final Render, there's an option called "Persistent Images". Checking it has lowered rendering times for certain scenes of mine anywhere from 0:27 down to 0:22 and 2:20 down to 1:50. For 300 frames, well, you can do the math.

And apparently, there's very recently been a patch to be able to persist more things beyond just the textures. Time to update my default scene file :)

Comments

  • brainmuffinbrainmuffin Posts: 1,205

    TheMysteryIsThePoint said:

    I don't know how I could have missed this; I thought it was just in E-Cycles but not main.

    On the Render Properties tab, under Performance, Final Render, there's an option called "Persistent Images". Checking it has lowered rendering times for certain scenes of mine anywhere from 0:27 down to 0:22 and 2:20 down to 1:50. For 300 frames, well, you can do the math.

    And apparently, there's very recently been a patch to be able to persist more things beyond just the textures. Time to update my default scene file :)

    I've actually been trying to find out how to cache textures, but every search failed. Thanks a bunch!
  • PadonePadone Posts: 3,722
    edited April 2021

    and for eevee there's the GL texture timeout

    time-out.jpg
    583 x 72 - 10K
    Post edited by Padone on
  • TheKDTheKD Posts: 2,691

    Holy mackeral, eevee will take out my garbage too?

  • TheMysteryIsThePointTheMysteryIsThePoint Posts: 2,958
    edited June 2021

    Just have to comment on this again. Between this and Cycles X, I don't think I'm even going to upgrade my GPUs because how long it takes to render is almost not my limiting factor anymore. Man, who would have thought that just a year ago? Not only is it often more than twice as fast for complex scenes, today I've found that my GPUs are even running significantly cooler. I'm not a gamer, but I understand that rendering is less stressful on the GPU than gaming, so is it transfering data that causes a GPU to expend so much energy?

    Post edited by TheMysteryIsThePoint on
  • TheKDTheKD Posts: 2,691

    Is cycles x out yet? Haven't been keeping up lately.

  • TheMysteryIsThePointTheMysteryIsThePoint Posts: 2,958

    TheKD said:

    Is cycles x out yet? Haven't been keeping up lately.

    No, but I tried the build from the Cycles-X branch. It doesn't yet support multiple GPUs, so I compared it against stock Cycles on just one GPU.

  • TheKDTheKD Posts: 2,691

    Ah nice. Will probably just wait for it to hit at least the alpha build of blender, unless it takes a long time. These days I am mostly doing modelling, and taking some rigging classes in blender, not much on the rendering side lately. I gotta say rigging in blender is a lot easier, moslty due to that wonderful tool called the 3d cursor. I used to hate that thing when I first started, but damn is it handy to get bones to appear and snap exactly where you need em.

  • TheMysteryIsThePointTheMysteryIsThePoint Posts: 2,958

    TheKD said:

    Ah nice. Will probably just wait for it to hit at least the alpha build of blender, unless it takes a long time. These days I am mostly doing modelling, and taking some rigging classes in blender, not much on the rendering side lately. I gotta say rigging in blender is a lot easier, moslty due to that wonderful tool called the 3d cursor. I used to hate that thing when I first started, but damn is it handy to get bones to appear and snap exactly where you need em.

    "I used to hate it, until I understood it"... man, how many times have I thought that about Blender.

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