Path: ...!3.eu.feeder.erje.net!feeder.erje.net!news.szaf.org!news.amigaxess.de!news.amigaxess.de!.POSTED.185.209.199.140!not-for-mail From: Schlomo Goldberg 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: References: MIME-Version: 1.0 Content-Type: text/plain Injection-Date: Thu, 10 Oct 2024 19:38:36 -0000 (UTC) Injection-Info: amigaxess.de; posting-host="185.209.199.140"; logging-data="4003157"; mail-complaints-to="abuse@amigaxess.de" User-Agent: Mozilla Thunderbird Bytes: 1807 Lines: 25 albert@spenarnc.xs4all.nl writes: > In article , > David Schultz 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.