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Dual Processor

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jbl4me

MIS
Aug 19, 2003
67
US
How well does linux take advantage of dual processors. I have a dual PII 333.

 
RedHat's default kernel is an SMP kernel (dual, multi-processor capable). When you compile/update to future kernels, you'll need to ensure that you obtain the SMP kernel support.

You don't need to do anything else to enable dual/quad proc support.

Linux rocks.

Surfinbox.com Business Internet Services - National Dialup, DSL, T-1 and more.
 
I just sneaked a peek at this thread -something I wanted to ask myself!

Knowing virtually nothing about Linux/unix, I have to ask a bit more:

When running Linux/unix on a dual processor system -will you gain the extra strenght/power of having two CPU on every application you run -or will it (like on M$ systems) have to be written/complied for dual processors?

Many Thanks §;O)


Jakob

 
an easy way to bring processing power to bear on an application is this ...


RENICE(8) System Manager's Manual RENICE(8)

NAME
renice - alter priority of running processes

SYNOPSIS
renice priority [[-p] pid ...] [[-g] pgrp ...] [[-u] user ...]

DESCRIPTION
Renice alters the scheduling priority of one or more running processes.
 
dkdude,

The multiple processors allow either 1) threaded applications to benefit from the use of multiple processor access, or 2) unthreaded applications to use a processors while the OS runs on another.

Surfinbox.com Business Internet Services - National Dialup, DSL, T-1 and more.
 
Thanks thedaver,

Very usefull info for me §;O)


Jakob
 
Other distributions vary as to out of the box SMP support, for example Debian installs a single processor kernel by default but upgrading it is as simple as 'apt-get install kernel-smp' (or something like that).

Linux has traditionally favored process forking[1] over threads, so many of the traditional internet services (web, ftp, etc) and other programs will run great on two processors. Either way, programs do have to be written specifically for more than one processor to benefit (except for the benefit thedaver mentioned)

[1] Sun's definition of process forking:
 
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