A question came up today about the clock speed of the various System z models.
The context is some application software that's licensed by the speed of the
CPU. Apparently, there's a big price difference (measured in millions) if the
speed is over 1.5 GHz or so. I dug around on IBM's web site and found that
z10's have a clock speed of 4.3 GHz and z196's have a clock speed of 5.2 GHz.
I was unable to find the speed of a z9. I recall from the z10 announcement
that the z10 had a major increase in speed. I'm thinking that the z9 was under
2 GHz. Does anyone know the speed of the z9, or where I can find that
information? The glossy announcements of the z10 on IBM's web site have been
replaced by glossy announcements of the z196. If it makes a difference, I'm
interested in z9 EC, not BC.
For this purpose, relative overall performance doesn't matter. The software
price is based on the speed of the chip. If the price is also based on the
number of CPU's, then any savings on the slower speed might be offset by costs
for more CPU's. First, we need to know the speed.
Dennis
"Christmas dawned clear and cold; lovely weather for killing Germans, although
the thought seemed somewhat at variance with the spirit of the day." -- War as
I knew it, by Gen. George S. Patton, Jr.
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