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NNTP-Posting-Date: Sun, 06 Apr 2025 04:48:42 +0000
Subject: Re: Rewriting SSA. Is This A Chance For GNU/Linux?
Newsgroups: comp.os.linux.advocacy,comp.os.linux.misc
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From: c186282 <c186282@nnada.net>
Date: Sun, 6 Apr 2025 00:48:39 -0400
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On 4/5/25 9:13 PM, The Natural Philosopher wrote:
> On 05/04/2025 23:34, c186282 wrote:
>> On 4/5/25 4:00 PM, Farley Flud wrote:
>>> On Sat, 5 Apr 2025 15:22:23 -0400, c186282 wrote:
>>>
>>>>
>>>>     Digital ... note that clock speeds haven't really risen in
>>>>     a LONG time. They can, to a point, make them 'work smarter'
>>>>     but how much more ? Not all tasks/problems lend themselves
>>>>     to parallel processing methods either.
>>>>
>>>>     So, yea, we're pretty much there.
>>>>
>>>
>>> The supercomputer people would disagree.
>>>
>>> Supercomputers, based on Linux, just keep on getting faster.
>>>
>>> The metric is matrix multiplication, a classic problem in cache
>>> management.
>>>
>>> I don't know about the architecture of supercomputers but
>>> the limit seems to be still quite open.
>>
>>    Matrix mult is a kind of parallelization ... and we
>>    still have some room there. But not every problem is
>>    easily, or at all, suited for spreading over 1000
>>    processors.
>>
>>    https://en.wikipedia.org/wiki/Amdahl%27s_law
>>
>>    Super-computers can use exotic tech, at a super price,
>>    if they want - including superconductors and quantum
>>    elements. NOT coming to a desktop near you anytime
>>    soon alas ......
> 
> Well the main use of supercomputers is running vast mathematical models 
> to make sketchy assumptions and crude parametrisations look much more 
> betterer than they actually are..

   Even 80s super-computers made it unnecessary to TEST
   nuclear weapon designs - the entire physics could be
   calculated, a 'virtual' bomb, and RELIED on. Even Iran
   can do all that and more now.

> Real racing car and aircraft design uses wind tunnels. CFD can't do the 
> job.

   Um, yea ... really COULD be entirely virtualized.
   ACCESS to such calx capabilities still isn't there
   or affordable to ALL however. Do you think that
   AirBus/Boeing/Lockheed build a zillion wind-tunnel
   models these days ? Likely NONE. The airflows, the
   structural components ... all SIMS.

   WHAT can be done with "quantum" is not entirely
   clear. Again it's not best suited for EVERYTHING.
   The #1 issue is still the ERROR rates. As per QM,
   where things can randomly change Just Because,
   these errors are gonna be HARD to get around.
   STILL no great solutions. Got a design for a
   "Heisenberg compensator" ??? If so, GET RICH !!!

   There MAY be some pattern in the QM errors that
   can be matched/negated by some parallel QM
   process/equation. We shall see.