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Progressive Render on the farm?

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  • Progressive Render on the farm?

    Hey there,

    I love that Progressive Render, I think it's just so much better to work with, maybe not for final render, but for a working process, it rocks!
    It's been a few days now that I'm trying to max out the farm through the PR but I can't find any setting that will make the farm go red (in refamo) and stay red like it's usually doing with the bucket mode.

    I tried the Ray bundle size from 32 to 2560 and the min/max shading 1-3/100 but I can't find anything that makes it doing red all the time and still have a pretty quick response visually.
    Is there a trick? I guess it's the same as RT where if you send more info it work for longer and then send the info back, but it's just really hard to find something where you know you use the full potential and still have a pretty quick feedback (even a visual update every 10-15 sec is ok, I know it's not RT).

    We have here a farm of 40 nodes, so I guess this makes it hard for my computer to handle all that information that goes back and forth but I just wanted to have know if anybody else had those kind of issue?

    For the moment it's more like 1-2 seconds on red every 10 seconds which means using the farm for 25% or reducing my processing power to 10 nodes in stead of 40.

    Thanks

    Stan
    3LP Team

  • #2
    Can you do a simple test with 10 nodes and 40 and see which one finish 1st or they finish at the same time? Maybe there is network bottleneck or other issue...

    I tested network rendering using some magic stuff and in one case I was hugging 100mb/s connection to 1 node to render so it could be network bandwitch or maybe latency ?
    CGI - Freelancer - Available for work

    www.dariuszmakowski.com - come and look

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    • #3
      The progressive rendering requires the slaves to send data back to the client machine very frequently and the network can quickly become a bottleneck. What I usually do, is increase the min. shading rate until the CPU usage on the slaves becomes better while still giving fast enough feedback.

      Best regards,
      Vlado
      I only act like I know everything, Rogers.

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