Iray memory usage

Hi all,
In Octane I can see how much of the graphics card memory is being used during the render, is there some way of seeing this in DAZ Studio/IRay? With the Octane Standalone I can import up to 3 level 3 subdivided characters without blowing out all the GPU memory. I have a GTX 1070 video with 8 gigs of ram. I have no idea how many characters I can have in a scene with Iray as far as I know.
Thanks
Comments
Download and install GPUz. It gets referenced a lot in the forum. How many charaters you can have in a scene will vary depending on the scene and the characters.
Thanks fastbike1! I forgot all about that little program.