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- Xref: sparky comp.unix.pc-clone.32bit:908 comp.unix.sysv386:17631 comp.unix.bsd:10667 comp.os.linux:21859
- Newsgroups: comp.unix.pc-clone.32bit,comp.unix.sysv386,comp.unix.bsd,comp.os.linux
- Path: sparky!uunet!gatech!destroyer!cs.ubc.ca!van-bc!bhenning
- From: bhenning@wimsey.bc.ca (Bill Henning)
- Subject: Re: ET4000/W32 and VESA VL-Bus
- Organization: Wimsey Information Services
- Date: Mon, 28 Dec 1992 02:03:50 GMT
- Message-ID: <Bzy5qE.Dp4@wimsey.bc.ca>
- References: <1992Dec20.153314.24148@Informatik.TU-Muenchen.DE> <BzKqwn.5vA@wimsey.bc.ca> <003g02AH30U501@JUTS.ccc.amdahl.com>
- Lines: 24
-
- In article <003g02AH30U501@JUTS.ccc.amdahl.com> gab10@griffincd.amdahl.com (Gary A Browning) writes:
- >In article <BzKqwn.5vA@wimsey.bc.ca>, bhenning@wimsey.bc.ca (Bill
- >Henning) writes:
- >> The problem with DRAM based accelerators, even if they get 160Mb/sec
- >> bandwidth out of the DRAM's is that the bandwidth is not
- >> random-access,
- ...
- >> even if the bus interface to the local bus supports it.
- >>
- >> Bill
- >
- >Don't overlook bus width in your analysis. The W32 sounds like it is 32 bit
- >wide path instead of the 8 (16?) - bit wide path of the standard ET4000.
- >This would quadruple (double?) the bandwidth of any type of ram access.
- >
- >--
- >Gary Browning | Exhilaration is that feeling you get just after a
- > | great idea hits you, and just before you realize
- > | what is wrong with it.
-
- I was already assuming 32 bit bus access - otherwise performance is MUCH
- worse.
-
- Bill
-