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6.4.4 Responsiveness

 
Iray tab in the Render Settigns Window when Iray Photoreal is selected
 
Update Interval
The update interval time in seconds is compared to the rendering time since the beginning of this interactive render call. This acts as a hint to the renderer. Longer times will generally increase rendering efficiency, while shorter times yield more frequent updates. When this values is set to 1 no update will be shown until one of the termination criteria was reached.
 
Update Interval (IPR)
The update interval time in seconds is compared to the rendering time since the beginning of this interactive render call. This acts as a hint to the renderer. Longer times will generally increase rendering efficiency, while shorter times yield more frequent updates.
 
Min. Samples per Update
Defines the minimum number of samples to be calculated before showing an updated image