6b5f7abd_Indigo_Manual__1
[2] This stops the current render, freeing the used CPU and memory resources for the currently rendering scene. You can still tone-map and save the rendered image after the render has been stopped, but unlike with Pause, you can't easily resume rendering (see Resuming a render if you need to stop and later resume a render). [1] 
Stop Render
Indigo Manual
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