Re: RAM compression?

Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
Fri, 19 Jun 1998 09:45:02 +0200 (CEST)

On Fri, 19 Jun 1998, Mathieu Bouchard wrote:
> Is anybody has thought about writing/replacing a part of the kernel for
> RAM compression? this would 1. reduce swapping and 2. make swapping
> faster... this would be useful mostly to compress page tables, text
> buffers, data segments of zero-filled buffers, etc., obviously. this
> should be tunable to different levels of compression (-0 through -9), via
> a /proc file.

This is of little use on a true preemptive multitasking OS, since other
processes can run while you're waiting for your disks. Without true preemptive
multitasking, those waiting time would be spilled.

Greetings,

Geert

--
Geert Uytterhoeven                     Geert.Uytterhoeven@cs.kuleuven.ac.be
Wavelets, Linux/{m68k~Amiga,PPC~CHRP}  http://www.cs.kuleuven.ac.be/~geert/
Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium




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