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What's New in Iray Render Plug-in v1.4

Posted By Eric C (RL) 5 Months Ago
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Eric C (RL)
Eric C (RL)
Posted 5 Months Ago
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Iray v1.4 - Performance Enhancement 

Announcing the update for Iray v1.4:
  • Enhanced: Support for MDL 1.5, please visit nVIDIA website for more information.
  • Enhanced: Update Iray SDK to RTX 2019.1.5. This will improve render speed from  0 - 106% performance increase according to the MDL versions used.

    See the two benchmark tests for Iray render speed comparison below.
Eric C (RL)
Eric C (RL)
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#Test 1 
  • Hardware spec:
    • CPU: i7-7700
    • Memory: 16G RAM
    • Graphic Card: GTX 1070 / 8G
  • Project: IC Embedded Project - Loft scene & Iray Export Settings 
    https://forum.reallusion.com/uploads/images/1a4ad7cc-47be-42a2-97f6-5ee5.png

  • When using Iray 1.3 ( IC 7.7)  and set the render time as 3,600 seconds, we get 486 iterations:
    https://forum.reallusion.com/uploads/images/b87465d3-28f1-4c60-89c0-9dba.jpg

  • When using Iray 1.4 ( IC 7.7)  and set the render time as 3,600 seconds, we get 593 iterations:
    https://forum.reallusion.com/uploads/images/01376e07-0303-4505-8b02-0960.jpg

  • As a result, the project has improved render speed of 22%.

#Test 2 
  • Hardware spec:
    • CPU: i7-9750
    • Graphic Card: Quadro RTX 5000 / 16G
    • Memory: 64G RAM
  • Project: IC Embedded Project - Roma scene  
    https://forum.reallusion.com/uploads/images/cec5d53b-330d-4d0b-a01c-a02a.png

  • When using Iray 1.3 ( IC 7.7)  and set the render time as 1,169 seconds, we get 1,000 iterations:
  • https://forum.reallusion.com/uploads/images/e3b53ccc-d9ac-4b70-a93d-1885.png

  • When using Iray 1.4 ( IC 7.7)  and set the render time as 565 seconds, we get 1,000 iterations:
    https://forum.reallusion.com/uploads/images/d41fbab8-00c0-49ab-9f77-1f30.png
  • As a result, the project has improved render speed of a whopping 106%!!!!
Geoffrey James
Geoffrey James
Posted 3 Months Ago
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Just for the heck of it I ran the Loft Scene benchmark, as defined above, on my dual RTX Titans. It did 1,000 passes in 763 seconds using the most recent version of the iRay renderer.

I must be doing something wrong. Any suggestions?


Geoffrey James
Intel Core i9-9980XE 18 Cores @ 4.5GHz, 128GB @ 3000MHZ, 2 NVIDIA® TITAN RTX, 512GB SSD, 2TB SSD, 10TB HDD, 1200 Watt PS, Viewsonic 43" 4K. 
Edited
3 Months Ago by Geoffrey James



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