alan@apollo.UUCP (Alan Lehotsky) (10/14/83)
Concerning the suggested change > In the VAX bcopy function posted, it would probably be faster if the > constant 65535 was replaced by 65532 wherever it occurs, thus causing > all memory references to be longword references if the source and destination > are longword-aligned. I'm fairly certain that the micro-code for VAXEN already does this for you. As a former DIGIT (DEC employee), I know that a lot of work was done to make string moves as fast as possible, and all sorts of tricks such as getting to quad-word alignment and doing double-bus transfers over the SBI. [I don't have my hardware manuals handy, so....]