RE: [Sheflug] General Ramblings

[Barrie Bremner <nospam [at] ecosse.net>]

>===== Original Message From "Sheflug" <sheflug [at] vuw.ac.nz> =====
>On Fri, 9 Jun 2000, Alex Hudson wrote:

>
>> > If done properly it should make for a really nippy, responsive
>> > system.
>>
>> So should a UP 500MHz system, SMP doesn't gain you anything in terms of
>> performance. It's just CPU RAID.....
>
>I would have thought if you had a high load, say a kernel compile, an SMP
>system should keep the user interface latency of other tasks down a bit.
>Having never tried it I don't know though. :)


Mmm I`ll put my tupence in..I`m running an SMP PII 400 system (dual 
processor).

 Things only start slowing down fractionally when the load hits 8.00 - thats 
when I`m ripping a CD, encoding mp3 (on both processors) and playing mp3s and 
running distributed.net and farting about with other stuff.

 The only thing I notice at that point is that the playback on the mp3s can be 
a bit funny every 30 sec or so.
 The system is still useable with much high load figures, but it isn`t exactly 
perfect.

 Admittedly, in many instances, SMP and UP systems will not show much 
difference..but when it does, you know about it.

 Kernel rebuilds are a breeze, BTW.

 The comment about SMP basically being like CPU RAID is a good point..

 But at least if one process requires all the poke a CPU can offer, it can 
have it, and I`ve still got the extra one to compile/code/watch TV with.

 Baz.

-----------------------------------

Barrie J Bremner.

Email: TheEnglishman [at] ecosse.net

Website: http://www.geocities.com/thefatenglishman/

Phone: UK 0131 313 3266

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