13 Feb
2007
13 Feb
'07
11:19 p.m.
At 04:52 PM 2/13/2007 -0600, you wrote:
--- arcarlini at iee.org wrote:
When one specifies or discusses a cpu and the associated clock speed in MHz
or GHz, I would assume one is referring to the cpu clock, something which
can be measured by a frequency counter on a specified pin, and probably set
in in the BIOS, or on older machines, by dip switches, or on still older
machines, set by the manufacturer.
I think.
[Philosophy] Maybe we can eventually make language a complete
impediment to understanding. (sig of Matthew Austern matt at ph
ysics.berkeley.edu)
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Tony Duell wrote:
> However, 'What is an instruction?'. I've heard i
t
said that the 11/780
s
averaged 500,000 of its machine instructions per
second, but that that
was about as much processing as 10^6 of other
machine's instructions
The VAX-11/780 cranked out about as many Dhrystone as an
IBM System/370 158 which did (apparently) chew
through about
one million instructions per second.
**>> snip <<**
Speaking of Dhrystones.... what is one?
Also, what does the MHz, or GHz, measure
exactly?