In <[EMAIL PROTECTED]>, on 12/31/2007 at 02:13 PM, Tom Marchant <[EMAIL PROTECTED]> said:
>When processors srarted to include High-Speed Buffers, now commonly >called cache, I don't recall seeing "high speed buffer" in print until long after "cache" was common. >any published timings became very difficult to determine. They started to get complicated before that, but I'll agree that cache and TLB considerations made it worse. >These effects are one of the biggest reasons why instruction timings >tend to vary. By the 3165 timings were very complex even when all data were in cache. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see <http://patriot.net/~shmuel/resume/brief.html> We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html