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Altera_Forum's avatar
Altera_Forum
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12 years ago

Slowdown when increasing the number of compute units

Hi, I've recently started experimenting with increasing the number of compute units for a particular kernel. I've previously had some good results using manual vectorisation to reduce runtime....
Altera_Forum's avatar
Altera_Forum
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11 years ago

The scheduler dispatches on workgroup units and it's based on compute unit availablity. The ordering of the scheduling to each compute unit is not easily predicable for users so I wouldn't count on any ordering. Expect the scheduler to do a good job keeping the compute units fed with work.