"need help! my irender just turn so slow yesterday. i usually render a 80 mb file for 40 min then suddenly it turn so slow." we just purchased the irender last month dec 2012.
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We don't use the graphics card at all for rendering, so it's just the processor speed and quantity that affects it.
Look at the Statistics dialog (available from the About Box) while it's rendering, and see how many lights we think there are.
Sometimes when you think you have 50 lights, we think you have 500, due to the type of light that they are and how the light geometry gets broken up, as Al was explaining above.
Has anything changed recently in your model?
Here are some typical items which slow down a model:
Did you turn some geometry into a light? Sometimes making a light our of existing geometry can create too many lights - because sometimes we have to make each face in the light a separate light. In this case it is better to place a light bulb in the light instead.
Did you add trees to your model - trees can really slow down a rendering. If they are background trees, you should use 2D images instead.
Did you add other complex components. Components can slow down a rendering without adding to the size of the model
Thanks Al , yup your right i download a pendant lamp and turn the bulb into 100 watts light. I replaced it with the bulb instead .
heres the rendered pic.
http://forum.irendernxt.com/photo/albums/bathroom-by-ckb-mclain