Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.arch
Subject: Re: Is Parallel Programming Hard, And, If So, What Can You Do About
 It?
Date: Sun, 11 May 2025 23:46:17 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 9
Message-ID: <vvrcs9$msmc$2@dont-email.me>
References: <vvnds6$3gism$1@dont-email.me>
	<edb59b7854474033c748f0fd668badaa@www.novabbs.org>
	<w32UP.481123$C51b.217868@fx17.iad> <vvqdas$g9oh$1@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Mon, 12 May 2025 01:46:18 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="3327d9a78e550794da10260af37fdd6b";
	logging-data="750284"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX19FOyGYHOl5xIF7+2FhZ9Du"
User-Agent: Pan/0.162 (Pokrosvk)
Cancel-Lock: sha1:1VFU9OW/PVrXbltyDlcf6LPywZE=

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.