I have always done that instinctively, even when there is no formal demand by the system. Every time I have implemented matmuls, at any level, with any optimiz

I have always done that instinctively, even when there is no formal demand by the system. Every time I have implemented matmuls, at any level, with any optimization requirement, partitioning into dyadic blocks had always sped things up. So I try to feed the system the nicest numbers I can muster!