[ale] RE: [Fwd: [Fwd: EnFuzion 6.0 and apps]]

Chris Fowler ChrisF at computone.com
Fri Dec 1 15:43:08 EST 2000 




Understood!  


Will all the apps in the cluster use a shared memory segment.  This will allow 'x' to constantly increment without starting from 0 at each node.

Chris


-----Original Message-----
From: Kurt A. Brust [mailto:cltkbrust at telocity.com]
To: ale at ale.org
Sent: Friday, December 01, 2000 1:16 PM
To: Chris Fowler
Cc: 'ale at ale.org'
Subject: [ale] RE: [Fwd: [Fwd: EnFuzion 6.0 and apps]]



Enfuzion is written to take advantage of any application, what I mean by that
is, when you install enfuzion, it installs a 20-25k applet (size of file is
determined by platform). You then need to install the .EXE (exacutable) on each
node. With in the scripting of enfuzion, you determine what the paramters of
the application you are running, for example, node 1 run with these paramters,
node 2 run these, node 3 run these, etc..  In the case of a dual or quad
processer box, the root server would run each of those processers in a single
mode, as a cluster. for example, cpu 1 can be handling certain paramters, cpu 2
code be handing different paramters, etc....


The "MAGIC" as you put it, happens from with in enfuzion, the way enfuzion
handles the application.


Let me know if this helps you out.



On Fri, 01 Dec 2000, Chris Fowler wrote:
> 
> This is the application:
> 
> 
> #include <stdio.h>
> 
> 
> void
> main(void)
> {
>       int X=0;
> 
>       for (x=0;x=0;x++)  /* This will allways be true */
>       {
>               printf("X = %i",x);
>       }
> 
>       return 0;
> }
> 
> 
> In this case the app will only run as fast as CPU1 will allow it to run.
> There is no clone() call so it will not run on the 2nd CPU of an SMP based
> system.
> 
> Now,  
> 
> The only way around this is for your software to implement some sort of
> *MAGIC* that allows parallel execution on multiple nodes of this simple
> code.  Many graphics programs are multi-threaded, this makes it possible for
> them to benefit from a cluster.  But many simple apps that need more
> horsepower that are single threaded will not benefit from SMP.  If that is
> true, how can the same apps that do not use CPU2 on SMP use NODE1-NODE100 on
> EnFuzion?
> 
> Chris
> 
> -----Original Message-----
> From: Kurt A. Brust [mailto:cltkbrust at telocity.com]
> Sent: Friday, December 01, 2000 12:06 PM
> To: Jacob Webb
> Cc: cfowler at linuxiceberg.com
> Subject: Re: [Fwd: [Fwd: EnFuzion 6.0 and apps]]
> 
> 
> Chris,
> 
> I hope this helps.
> 
> > If I have a single threaded app that uses as much CPU as it can, will it
> use
> as much as it can on each nod of the cluster.  a 100 node can increase
> excution
> by 100x times?  
> 
> Enfuzion does not speed up the "application" , Enfuzion excelarates the
> output
> of the application. (Ex: If you have an application that's end result is a
> text
> file, enfuzion can break up and distribute parts of that text file to other
> processer's, which in turn speeds up the processing of that file)
> 
> Yes, to answer your question it is linear, 10 nodes = 10 times as fast ...
> 100
> nodes = 100 times as fast.
> 
> 
> 
> 
> 
> n Fri, 01 Dec 2000, Jacob Webb wrote:
> > 
> > Hey Kurt,
> > 
> > I hope all is going well.  The lead below is asking some really
> > technical questions that I can't answer.  Would you mind touching base
> > with him.
> > 
> > Thanks, Jacob
> > 
> 
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> > Organization: TurboLinux
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> > Message-Id: <200012011621.IAA30383 at www1.turbolinux.com>
> > To: sales at turbolinux.com
> > Subject: EnFuzion 6.0 and apps
> > From: "Chris D Fowler" <cfowler at linuxiceberg.com>
> > 
> >  IP: 160.77.2.161
> > URL: http://www.turbolinux.com/forms/email.php3
> > 
> > Chris D Fowler
> > 1060 Windward Ridge Parkway, Suite 100
> > Alpharetta, GA 30005
> > USA
> > 
> > Phone: 7706251627
> > Fax: 0000000000
> > Email: cfowler at linuxiceberg.com
> > 
> > Product: EnFuzion 6.0
> > Version: 6.0
> > Serial#: 
> > 
> > I\'m looking at the EnFuzion 6.0 product and it states that I do not need
> to make any changes to my apps to get them to take advantage of the cluster.
> 
> > 
> > My question:
> > 
> > If I have a single threaded app that uses as much CPU as it can, will it
> use as much as it can on each nod of the cluster.  a 100 node can increase
> excution by 100x times?  
> > 
> > Thanks,
> > Chris
> > 
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> > 
> 


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