[ale] Saving electricity with Linux

[DjPfulio at jdpfu.com]

A few years ago I looked up what my Ryzen 5600g performance was as compared to a Cray y-mp from the late '80s. They were about the same.

Or did I get that wrong?


On June 2, 2024 8:30:18 AM EDT, "Jon "maddog" Hall via Ale" <ale at ale.org> wrote:
>Brian,
>
>When I spoke about "Cray" it was when it was "Cray Research" the child of
>Seymour, and "supercomputers" tended to be designed as monoliths.
>
>That company went Bankrupt, was sold off to Silicon Graphics which went
>Bankrupt and was sold off to Hewlett Packard Enterprise.  The new company
>is really "Cray" in name only other than they design HPC clusters.
>
>md
>
>
>
>On Sun, Jun 2, 2024, 07:49 Brian Stanaland via Ale <ale at ale.org> wrote:
>
>> > "Back in the day" when supercomputers like Cray, Control Data and others
>> ruled the market their use of electricity was legendary.   A Cray-1 was
>> rumored to produce enough hot water to heat 10 homes in Toronto, Canada.
>>  The cost ors f a supercomputer was so high that very few agencies could
>> afford one
>>
>> Cray has come a long way since then. As have supercomputers in
>> general. Still use gobs of power but at least that gets measured and
>> ranked now. Seven of the top ten green systems are Cray. They're not
>> slow, either. The lowest rank on the regular top 500 is 128 (2nd on
>> the green list) while the number 11 fastest is the 8th greenest. (And
>> I admit that I'm a little biased since I work on them.)
>> https://www.top500.org/lists/green500/2024/06/
>>
>> Brian
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