Preview render antialias flicker ans number of samples

  • Hi I notice there is occasional antialias flicker when doing renders in preview with geometric lines and the antialias ticked in the render properties. Next to that checkbox is another box that says samples and the default is 8. The manual does not say what changing the samples will do so I was wondering if it would have any effect on that. would increasing it help? if so how much?

    I am on poser pro 11 with a macbook pro 16gb ram and Intel Iris Pro graphics