Memory usage

Paul Looney simplsol at aol.com
Wed Jul 3 13:01:34 EDT 2013


This is a situation where using an SSD instead of an HD can make a world of difference.
Swaps into and out of an SSD take about a tenth the time.
Paul Looney

On Jul 3, 2013, at 9:56 AM, Richard Gaskin wrote:

> J. Landman Gay wrote:
>> Can I safely assume that if I load a whole bunch of stacks into RAM,
>> that virtual memory will take care of memory usage for me?
> 
> Yes, but with two caveats:
> 
> 1. Swap space is limited, and the OS uses it a lot.  In most cases it'll do what you need, but it's possible to meet limits.
> 
> 2. Swap space is slow.  If the foreground app dips into swap space the user will encounter a noticeable performance hit.  At best, things will momentarily hang; at worst, it'll hang long enough to invoke the spinning beach back for a few seconds until the swap is done.
> 
> --
> Richard Gaskin
> Fourth World
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