I read about some people experience that Houdini's viewport get slower with not much of poly-count then other 3d software.

And I was one of them. but I found a Houdini's behavior that when I Split another viewport for the same object it boosts FPS up a lot. (It's the first video)

And there is more. splitting a viewport solves a object's render FPS, but not all the object's FPS.
it's kind of difficult to describe with my poor English. but fortunately I've got video number 2! : )

But I'm not sure about It happens to other people. So if there is someone having the slow viewport issue,
try split viewport as like me and comment about it's behavior.

Thank you.

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By the way my hardware is
Intel Core i7-2600 @3.40Ghz , 8GB DDR3 Ram, SSD, and Nvidia Geforce GTX970
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