Re: Is Parallel Programming Hard, And, If So, What Can You Do About It?

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Sujet : Re: Is Parallel Programming Hard, And, If So, What Can You Do About It?
De : mitchalsup (at) *nospam* aol.com (MitchAlsup1)
Groupes : comp.arch
Date : 12. May 2025, 01:30:37
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Organisation : Rocksolid Light
Message-ID : <0ec5d195f4732e6c92da77b7e2fa986d@www.novabbs.org>
References : 1 2 3 4 5
User-Agent : Rocksolid Light
On Sun, 11 May 2025 23:46:17 +0000, Lawrence D'Oliveiro wrote:

On Sun, 11 May 2025 07:47:53 -0700, Al Kossow wrote:
>
With the narrow memory interfaces, are cores starved for memory
bandwidth?
>
Low memory bandwidth has been a chronic issue since the “wait states” of
the 1980s.
>
That’s why we have memory caches.
Which architects tend to only understand what happens when these
caches are attached to CPUs and not "Joe Random Bus Master",

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