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- Path: sparky!uunet!spool.mu.edu!olivea!charnel!sifon!CC.UMontreal.CA!kosmatoo
- From: kosmatoo@JSP.UMontreal.CA (Kosmatos Odisseas)
- Newsgroups: comp.sys.atari.st.tech
- Subject: Re: Falcon BUS..
- Summary: Please Clarify!
- Message-ID: <1992Dec25.001425.5643@cc.umontreal.ca>
- Date: 25 Dec 92 00:14:25 GMT
- References: <1992Dec14.235558.17175@news.th-darmstadt.de> <1992Dec24.234910.28952@elroy.jpl.nasa.gov>
- Sender: news@cc.umontreal.ca (Administration de Cnews)
- Organization: Universite de Montreal
- Lines: 38
-
- In article <1992Dec24.234910.28952@elroy.jpl.nasa.gov> hyc@hanauma.jpl.nasa.gov (Howard Chu) writes:
- >Well, I finally got around to compiling this with GNU C. Here are some
- >numbers for the Falcon in a couple different graphics modes:
- >
- >Test 640x480x2 640x480x256 320x240x16
- >
- >16 bit read 6206061 3413333 5610959
- >16 bit write 16384000 6400000 14124138
- >32 bit read 6301538 3442017 5688889
- >32 bit write 31507692 7876923 24094118
- >
- >Here's a comparison from my Mega with Turbo16:
- >
- > 640x200x4
- >
- >16 bit read 7876923
- >16 bit write 2884587
- >32 bit read 7876923
- >32 bit write 2884587
- >
- >First, looking at the Mega-ST, the numbers clearly agree with the fact that
- >the ST has only a 16 bit bus. The read numbers appear exaggerated to me,
- >probably due to how the Turbo-16 cache works.
-
- Howard, what do these numbers mean? reads and writes per second?
-
- [the rest deleted]
- >--
- > -- Howard Chu @ Jet Propulsion Laboratory, Pasadena, CA
- >
- >There's a narrow border between genius and insanity, but I'm a dual citizen.
-
-
- --
- ___ ___ , ^ ,
- =*= Odisseas Kosmatos =*= "Cul bien vide, tete plein d'idees."
- =*= kosmatoo@jsp.umontreal.ca =*=
- =*= shammer@mafalda.math.mcgill.ca =*=
-