On Wed, 16 Apr 2025 12:17:11 -0500, Paul Gilmartin <[email protected]> wrote:
>the chassis gets hot and the fan turns on. Long ago I learned here that IBM >processors >never reduce power. Is that still true? I have no idea but I would throw out there that most PCs are idle much of the time; most z processors are not. Everyone is now focused on "being green" so I suspect IBM may now find it important to reduce power consumption when they can, unlike in the old days, when the electric bill was a footnote to the cost of a datacenter. >Do the more complex processors still incur an energy cost for speculative >execution? I don't really know but it's hard to see how "doing something -- anything" would not require energy. CM ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
