Does Norman mean hot temperature wise or "hot" as in running a lot of work? Norman, can you clarify that?
Tom Kelman Commerce Bank of Kansas City (816) 760-7632 > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of Eric Bielefeld > > This topic really got my attention when Norman said below that the > processor may slow down when it gets too hot! I notice he said MAY. Is > this proven? How much is the difference in speed? .1%, 10%? If your > system slowed down by 10% for an hour, would IBM give you a rebate? > > Eric > > ---- "Norman Hollander on h-WiZ.biz" <[EMAIL PROTECTED]> wrote: > > There have been several discussion at SHARE (in the EXCP project) over > the > > past couple of years on just this topic. The variability of CPU time > has > > been > > seen up to 20-30% different from run to run. The hardware itself may be > > part of > > the issue. The processors (from z990s to z9s) may slow down when they > get > > too hot, > > and depending on which instructions are being executed and if the data > has > > been fetched at the same time, the cycle time for the instructions can > be > > very different. -- > Eric Bielefeld > Systems Programmer > Aviva USA > Des Moines, Iowa > 515-645-5153 > > ---------------------------------------------------------------------- > 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 ***************************************************************************** If you wish to communicate securely with Commerce Bank and its affiliates, you must log into your account under Online Services at http://www.commercebank.com or use the Commerce Bank Secure Email Message Center at https://securemail.commercebank.com NOTICE: This electronic mail message and any attached files are confidential. The information is exclusively for the use of the individual or entity intended as the recipient. If you are not the intended recipient, any use, copying, printing, reviewing, retention, disclosure, distribution or forwarding of the message or any attached file is not authorized and is strictly prohibited. If you have received this electronic mail message in error, please advise the sender by reply electronic mail immediately and permanently delete the original transmission, any attachments and any copies of this message from your computer system. ***************************************************************************** ---------------------------------------------------------------------- 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
