dvorak@iam.unibe.ch (Jiri Dvorak) (12/16/88)
Many thanks to all who sent a response to my question on the differences between the new Sun controller SMD-4 and the xy7053. The most detailed response I got from > Brian Wong - TSE Sun Washington DC <bwong@sun.com> > The SMD-4 is similar to the Xylogics 753; however it has radically different > proms which cause significantly different caching behaviour. The (silicon) > logic is reasonably close. The difference is that the 753 just takes huge > blocks and pre-reads, while the SMD-4 actually utilizes a demand-replacement > algorithm. Performance is notably different for some kinds of applications > (like servers for diskless clients). The hardware and software requirements for a SMD-4 were already discussed in earlier issues of sun-spots. regards, Jiri Dvorak dvorak@iam.unibe.ch or University of Berne dvorak%iam.unibe.ch@relay.cs.net Switzerland