displacement slow with maxwell based cards

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geo_n
Licensed Customer
Posts: 350
Joined: Tue Feb 02, 2010 5:47 am

Is it a known issue? When there's dispacement in the scene my 750 gt ti reverts back to speed of kepler card. Without it its 3 times faster than kepler card.
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MaTtY631990
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Posts: 754
Joined: Thu Apr 08, 2010 8:38 pm

Have the same card and tested in with 2x demo. Is slow drops to 0.2 ms when using intense displacement and more, but not really sure this is a bug. I think it is due to complex computing of lighting and meshes. Like when you load say a million hairs or grass. This also slows engine.
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geo_n
Licensed Customer
Posts: 350
Joined: Tue Feb 02, 2010 5:47 am

Thanks for testing.
But problem is the speed becomes so slow that its as slow as a kepler card i have that is generally 3 time slower. With displacement they have nearly exact same render speed :lol:
Turning off displacement would make the maxwell card 3 times faster again compared to kepler.
So new cards have not been coded to work well with displacements?
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