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From: Schlomo Goldberg <schlomo.goldberg@mailinator.com>
Newsgroups: comp.lang.forth
Subject: Re: Memory trashing? Virtual memory question.
Date: Thu, 10 Oct 2024 19:38:36 -0000 (UTC)
Organization: AmigaXess
Message-ID: <ve9afs$3q5al$2@amigaxess.de>
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	<KRudnVPYhcFA8Wz7nZ2dnZfqn_SdnZ2d@earthlink.com>
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albert@spenarnc.xs4all.nl writes:

> In article <KRudnVPYhcFA8Wz7nZ2dnZfqn_SdnZ2d@earthlink.com>,
> David Schultz  <david.schultz@earthlink.net> wrote:
>>Main memory (DRAM of some type) is the new hard disk.
>>
>>The difference in speed between cache and main memory looks a lot like
>>the difference between main memory and hard disk did a few decades ago.
>>So if you thrash the backing store, operation will slow down.
>>
>>
>>Potentially complicating things are an OS. Is this Forth running bare
>>metal on the AMD with no OS? If there is an OS then all sorts of memory
>>management issues appear.
>>
>>If you need more memory space than you have physical memory, it will
>>seem as if your backing store is a tape drive. :-)
>
> Everybody knows that, including myself.
>
> Haven't you read the original post?
> I'm not using half of the ram present.

You still don't know what kind of memory management strategy your OS is
using.