In message <199903110818.RAA25595@axp46.aist-nara.ac.jp> Toru Nishimura writes:
: I want to know whether write unrolling does not contribute the bzero()
: write performance.  Both of the theories reasoned by hardware
: designs/implemenations, and actually performance measurements will be
: welcome. 

I know that Linux has a bzero which does do write unrolling,
especially for the R4000 and higher processors.

Warner