Comments interspersed. On Fri, 3 Jun 2005 11:04:51 -0700, Edward E. Jaffe <[EMAIL PROTECTED]> wrote:
>Eric Bielefeld wrote: > >>... The fact the IBM, when >>announcing new hardware, usually prints MIPS in their charts says that it >>is still a valid number. >> > >Which charts? A web URL would be helpful. The charts I am referring to were handed out in Nov. 2004 at an IBM Roadshow meeting. The presentation is titled "zSeries z900 and z990 Update 2004" and was givin by Bob Neidig of IBM. If you really wonder, I could fax you 1 or 2, but the presentation is filled with MIPS. I doubt if this was ever put on a web page. > >> I'm not saying it is best, or that there isn't >>problems with MIPS, but the MIPS numbers still make more sense to me than >>any other indicators. >> >> > >MSU values are reported by the hardware. MIPS values aren't. That single >difference makes MIPS inherently less useful than MSU -- all other >things being equal. See: > >http://bama.ua.edu/cgi-bin/wa?A2=ind0411&L=ibm-main&P=R35634 > I also qualified the use of MIPS in my original comment by saying that comparisons within a line of computers, such as z/890 & z/990. Comparing a 1 processor z/990 to a 30 processor z/990 should give a good comparison if you are using MIPS. Obviously, your particular workload may give somewhat different numbers, but then it probably would with MSUs also. MIPS have been around a lot longer than MSUs. They are more familiar to me, which is why I like them. I still remember my 158 with an attached processor. The main CPU alone gave 1 MIP, and with the AP, it was 1.8 MIPS. Back in 1980, that was a good sized machine. Eric Bielefeld >-- > ----------------------------------------------------------------- >| Edward E. Jaffe | | >| Mgr, Research & Development | [EMAIL PROTECTED] | >| Phoenix Software International | Tel: (310) 338-0400 x318 | >| 5200 W Century Blvd, Suite 800 | Fax: (310) 338-0801 | >| Los Angeles, CA 90045 | http://www.phoenixsoftware.com | > ----------------------------------------------------------------- > >---------------------------------------------------------------------- >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 ---------------------------------------------------------------------- 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
