gridsim-users — For general queries and feedbacks

[GridSim-users] when/why the Sim_system.running() exit

[ye h. <hua...@gm...>]

Hi, all:
I use while(Sim_system.running()) to submitting gridlet and receive  
feedback. If a gridlet is no grid resource is currently available due  
to my scheduling algorithm, i will put the gridlet into a locally  
cached queue, the scheduling algorithm will poll the queue to process  
unsubmitted gridlets.

Now, I noticed my simulation exit without finishing all the cached  
gridlets, which is led by exit of loop: while(Sim_system.running()). I  
m wondering the mechanism of Sim_system.running(), and when it goes to  
false? Any idea to prevent?

Regards
ye

Re: [GridSim-users] how to make gridlet serialized

[ye h. <hua...@gm...>]

Hi,
Please ignore this question. It seems the modified gridlet simply  
works after serialization.

Thanks!
ye

On 11 Feb, 2009, at 10:49 AM, ye huang wrote:

> Hi, All:
> I am working on a Job class extended from gridlet, and I wanna  
> serialize the Job class to preserve or transfer it upon the network.
> Since gridlet doesn't have a non-argument constructor, and not  
> serialized neither, how should I do.
>
> Is it possible to change only gridlet source and regenerate the  
> gridsim package? Anything to notice?
>
> Thanks!
>
> Regards
> ye
>
> --
>
> Ye Huang, Department of Informatics
> University of Fribourg / Pérolles 2 - Bld de Pérolles 90
> 1700 Fribourg, Switzerland
>
> e-mail: ye....@he...,  ye....@un...
> http://diuf.unifr.ch/people/huangy/
> Office: +41 26 429 65 95
>
>
>
>


--

Ye Huang, Department of Informatics
University of Fribourg / Pérolles 2 - Bld de Pérolles 90
1700 Fribourg, Switzerland

e-mail: ye....@he...,  ye....@un...
http://diuf.unifr.ch/people/huangy/
Office: +41 26 429 65 95

[GridSim-users] how to make gridlet serialized

[ye h. <hua...@gm...>]

Hi, All:
I am working on a Job class extended from gridlet, and I wanna  
serialize the Job class to preserve or transfer it upon the network.
Since gridlet doesn't have a non-argument constructor, and not  
serialized neither, how should I do.

Is it possible to change only gridlet source and regenerate the  
gridsim package? Anything to notice?

Thanks!

Regards
ye

--

Ye Huang, Department of Informatics
University of Fribourg / Pérolles 2 - Bld de Pérolles 90
1700 Fribourg, Switzerland

e-mail: ye....@he...,  ye....@un...
http://diuf.unifr.ch/people/huangy/
Office: +41 26 429 65 95

Re: [GridSim-users] [GridSim-developers] Extending GridSim Reg-JR

[Azin M. <az...@ma...>]

Hi,

I have experienced the same problem too ! 

It seemed to me that GridSim shuts itself down once it does not find 
any events in its queue while there may be other events coming up after 
some time....This is my guess and I am not sure if its correct.

I think there is something which should be done within the framework to 
fix it.

Regards,
Azin

ye huang wrote:


>Hi,
>Actually, I think the problem also exists upon gridsim itself (or i  
>haven't understood it well so far).
>
>I encountered a similar problem by extend the Example code of gridsim  
>itself, which i had also submitted to the maillist. Unfortunately, no  
>one replied that last time. The following is the details:
>
>--- ---- [start] --------------
>However, I find another confusing "bug", it's about the way of  
>receiving gridlet sent back from resources. Here i am going to explain  
>it using a demo from GridSim's official example file: Example 04:
>
>Starting from line 109 of Example 04, submitting and receiving  
>gridlets are finished in one loop as follows:
>--- code snippet 1 ---
>
>for (int i = 0; i < this.list_.size(); i++)
>{
>     gridlet = (Gridlet) this.list_.get(i);
>     info = "Gridlet_" + gridlet.getGridletID();
>
>     super.gridletSubmit(gridlet, resourceID);
>
>     gridlet = super.gridletReceive();
>     this.receiveList_.add(gridlet);
>}
>
>In my scenario, in order the decouple the behavior, I split the  
>procedure into two parts as follows:
>
>--- code snippet 2 ---
>
>// part 1: submit gridlet
>for (int i = 0; i < this.list_.size(); i++)
>{
>     gridlet = (Gridlet) this.list_.get(i);
>     info = "Gridlet_" + gridlet.getGridletID();
>
>    super.send(resourceID, GridSimTags.SCHEDULE_NOW,
>                   GridSimTags.GRIDLET_SUBMIT, gridlet);
>
>}
>
>// part 2: receive gridlet from gridresource
>Sim_event ev = new Sim_event();
>while (Sim_system.running()) {
>     super.sim_get_next(ev);
>
>	if (ev.get_tag() == GridSimTags.GRIDLET_RETURN){
>		gridlet = (Gridlet) ev.get_data();
>
>         // stores the received Gridlet into a new GridletList object
>         this.receiveList_.add(gridlet);
>     }
>	
>}
>
>// part 3, print the received gridlet list
>printGridletList(this.receiveList_);
>
>---
>
>Then, during the execution, I got the prompted warning :
>Resource_0: Warning - Gridlet #2 owned by Example4 is already  
>completed/finished.
>
>The more gridlets were submitted, the more warning will be prompted.
>
>I have to say, it seems there is no mistake caused by this warning.  
>But to understand the infrastructure better, is there anyone could  
>help me about why it appears and how to avoid it?
>
>--- ---- [end] --------------
>
>Regards
>ye
>
>
>On 9 Feb, 2009, at 6:09 PM, Jeyarani Rajarathinam wrote:
>
>> Hi Friends,
>>     I am using GridSim4.0 and I have  created new internal policy  
>> instead
>> of FCFS. I get the following error. Please help me to correct the  
>> problem
>>
>> JR
>> I have submitted 4 gridlets  and the fourth gridlet is small  
>> compared to
>> rest.
>>
>> Sim_system: No more future events
>> Gathering simulation data.
>> GridResource_0: Warning - Gridlet #3 owned by User_0 is already
>> completed/finish
>> ed.Exception in thread "Thread-9"
>> java.lang.NullPointerExceptionTherefore, it is not being executed  
>> again
>>
>>        at Example8.body(Example8.java:107)
>>
>>        at eduni.simjava.Sim_entity.run(Sim_entity.java:603)
>> 
------------------------------------------------------------------------
------
>> Create and Deploy Rich Internet Apps outside the browser with  
>> Adobe(R)AIR(TM)
>> software. With Adobe AIR, Ajax developers can use existing skills  
>> and code to
>> build responsive, highly engaging applications that combine the  
>> power of local
>> resources and data with the reach of the web. Download the Adobe AIR  
>> SDK and
>> Ajax docs to start building applications 
today-http://p.sf.net/sfu/adobe-com
>> _______________________________________________
>> Gridsim-developers mailing list
>> Gri...@li...
>> https://lists.sourceforge.net/lists/listinfo/gridsim-developers
>
>
>--
>
>Ye Huang, Department of Informatics
>University of Fribourg / Pérolles 2 - Bld de Pérolles 90
>1700 Fribourg, Switzerland
>
>e-mail: ye....@he...,  ye....@un...
>http://diuf.unifr.ch/people/huangy/
>Office: +41 26 429 65 95
>
>
>
>
>


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


------------------------------------------------------------------------
------
>Create and Deploy Rich Internet Apps outside the browser with 
Adobe(R)AIR(TM)
>software. With Adobe AIR, Ajax developers can use existing skills and 
code to
>build responsive, highly engaging applications that combine the power 
of local
>resources and data with the reach of the web. Download the Adobe AIR 
SDK and
>Ajax docs to start building applications 
today-http://p.sf.net/sfu/adobe-com
>


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


_______________________________________________
>Gridsim-users mailing list
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>https://lists.sourceforge.net/lists/listinfo/gridsim-users
>

Re: [GridSim-users] [GridSim-developers] Extending GridSim Reg-JR

[ye h. <hua...@gm...>]

Hi,
Actually, I think the problem also exists upon gridsim itself (or i  
haven't understood it well so far).

I encountered a similar problem by extend the Example code of gridsim  
itself, which i had also submitted to the maillist. Unfortunately, no  
one replied that last time. The following is the details:

--- ---- [start] --------------
However, I find another confusing "bug", it's about the way of  
receiving gridlet sent back from resources. Here i am going to explain  
it using a demo from GridSim's official example file: Example 04:

Starting from line 109 of Example 04, submitting and receiving  
gridlets are finished in one loop as follows:
--- code snippet 1 ---

for (int i = 0; i < this.list_.size(); i++)
{
     gridlet = (Gridlet) this.list_.get(i);
     info = "Gridlet_" + gridlet.getGridletID();

     super.gridletSubmit(gridlet, resourceID);

     gridlet = super.gridletReceive();
     this.receiveList_.add(gridlet);
}

In my scenario, in order the decouple the behavior, I split the  
procedure into two parts as follows:

--- code snippet 2 ---

// part 1: submit gridlet
for (int i = 0; i < this.list_.size(); i++)
{
     gridlet = (Gridlet) this.list_.get(i);
     info = "Gridlet_" + gridlet.getGridletID();

    super.send(resourceID, GridSimTags.SCHEDULE_NOW,
                   GridSimTags.GRIDLET_SUBMIT, gridlet);

}

// part 2: receive gridlet from gridresource
Sim_event ev = new Sim_event();
while (Sim_system.running()) {
     super.sim_get_next(ev);

	if (ev.get_tag() == GridSimTags.GRIDLET_RETURN){
		gridlet = (Gridlet) ev.get_data();

         // stores the received Gridlet into a new GridletList object
         this.receiveList_.add(gridlet);
     }
	
}

// part 3, print the received gridlet list
printGridletList(this.receiveList_);

---

Then, during the execution, I got the prompted warning :
Resource_0: Warning - Gridlet #2 owned by Example4 is already  
completed/finished.

The more gridlets were submitted, the more warning will be prompted.

I have to say, it seems there is no mistake caused by this warning.  
But to understand the infrastructure better, is there anyone could  
help me about why it appears and how to avoid it?

--- ---- [end] --------------

Regards
ye


On 9 Feb, 2009, at 6:09 PM, Jeyarani Rajarathinam wrote:

> Hi Friends,
>     I am using GridSim4.0 and I have  created new internal policy  
> instead
> of FCFS. I get the following error. Please help me to correct the  
> problem
>
> JR
> I have submitted 4 gridlets  and the fourth gridlet is small  
> compared to
> rest.
>
> Sim_system: No more future events
> Gathering simulation data.
> GridResource_0: Warning - Gridlet #3 owned by User_0 is already
> completed/finish
> ed.Exception in thread "Thread-9"
> java.lang.NullPointerExceptionTherefore, it is not being executed  
> again
>
>        at Example8.body(Example8.java:107)
>
>        at eduni.simjava.Sim_entity.run(Sim_entity.java:603)
> ------------------------------------------------------------------------------
> Create and Deploy Rich Internet Apps outside the browser with  
> Adobe(R)AIR(TM)
> software. With Adobe AIR, Ajax developers can use existing skills  
> and code to
> build responsive, highly engaging applications that combine the  
> power of local
> resources and data with the reach of the web. Download the Adobe AIR  
> SDK and
> Ajax docs to start building applications today-http://p.sf.net/sfu/adobe-com
> _______________________________________________
> Gridsim-developers mailing list
> Gri...@li...
> https://lists.sourceforge.net/lists/listinfo/gridsim-developers


--

Ye Huang, Department of Informatics
University of Fribourg / Pérolles 2 - Bld de Pérolles 90
1700 Fribourg, Switzerland

e-mail: ye....@he...,  ye....@un...
http://diuf.unifr.ch/people/huangy/
Office: +41 26 429 65 95

[GridSim-users] Extending GridSim Reg-JR

[Jeyarani R. <sym...@gm...>]

Hi Friends,
     I am using GridSim4.0 and I have  created new internal policy instead
of FCFS. I get the following error. Please help me to correct the problem

JR
I have submitted 4 gridlets  and the fourth gridlet is small compared to
rest.

Sim_system: No more future events
Gathering simulation data.
GridResource_0: Warning - Gridlet #3 owned by User_0 is already
completed/finish
ed.Exception in thread "Thread-9"
java.lang.NullPointerExceptionTherefore, it is not being executed again

        at Example8.body(Example8.java:107)

        at eduni.simjava.Sim_entity.run(Sim_entity.java:603)

Re: [GridSim-users] want to use xklusac.environment.Scheduler

[ye h. <hua...@gm...>]

Hi,
The Alea is using a specific simjava2.jar, the following is the  
information from Dalibor in a previous mail session.

Hope it helps!

--- --- ---

> In this context, which version Alea is using? simjava2? or a  
> completely new version? If it's a completely new version, may i know  
> what's difference from simjava2, and the purpose?
>

it is Simjava2.

> BTW, I still have a compile problem while using the simjava provided  
> via Alea. In class "ExperimentSetup", it prompts a compile error at  
> line 111, "Sim_system.setInComplete(true);", which is not found from  
> simjava. Why is that?
>

are you sure that you use the modified one? The only difference  
between original one and the new one provided with the Alea is that  
the new one has this method "setInComplete". How do you run the  
simulation? Via command line or through some IDE? If you add  
gridsim.jar first, you will "automatically" get the wrong simjava.jar  
(e.g. in Netbeans IDE). So you have to manually remove this one and  
add the new one provided with Alea. In Netbeans, you can find it in  
the "libraries folder" in the project folder. See this picture: http://www.fi.muni.cz/~xklusac/alea/images/netbeans.jpg

If you use command line, than you have to be careful when making  
imports - probably add "import modifiedsimjava.jar" at the beginning  
of the ExperimentSetup.java class.

--- --- ---


Regards
ye

On 5 Feb, 2009, at 6:09 AM, I-Sha Fatin wrote:

> Hi there,
>
> how can i use the <B>xklusac.environment.Scheduler</B> ? i've tries  
> to import in the class, ( import  
> gridsim.xklusac.environment.Scheduler;)  but it's not works.
> do i need to change anything in the simjava2.jar file to use the  
> class?
>
> thanks
> ------------------------------------------------------------------------------
> Create and Deploy Rich Internet Apps outside the browser with  
> Adobe(R)AIR(TM)
> software. With Adobe AIR, Ajax developers can use existing skills  
> and code to
> build responsive, highly engaging applications that combine the  
> power of local
> resources and data with the reach of the web. Download the Adobe AIR  
> SDK and
> Ajax docs to start building applications today-http://p.sf.net/sfu/adobe-com_______________________________________________
> Gridsim-users mailing list
> Gri...@li...
> https://lists.sourceforge.net/lists/listinfo/gridsim-users


--

Ye Huang, Department of Informatics
University of Fribourg / Pérolles 2 - Bld de Pérolles 90
1700 Fribourg, Switzerland

e-mail: ye....@he...,  ye....@un...
http://diuf.unifr.ch/people/huangy/
Office: +41 26 429 65 95

[GridSim-users] want to use xklusac.environment.Scheduler

[I-Sha F. <mas...@gm...>]

Hi there,

how can i use the <B>xklusac.environment.Scheduler</B> ? i've tries to
import in the class, ( import gridsim.xklusac.environment.Scheduler;)  but
it's not works.
do i need to change anything in the simjava2.jar file to use the class?

thanks

[GridSim-users] reply soon....attention please

[user g. <use...@gm...>]

In gridsim, in datagrid resource creation how to give memory (RAM)
specification say 256 MB...
why i am asking tis is there are functions to be used with processing(set
MIPS rating() ) and hard disk storage with adding files to it.....
IS THERE ANYTHING THERE FOR SETTING RAM SPECIFICATION FOR A RESOURCE...pl
help

[GridSim-users] doubt

[user g. <use...@gm...>]

still i'm not clear..what will be the content of input and output files?can
my input file for job scheduling hav memory,disk space and CPU requirements?

Re: [GridSim-users] read this and clarify my doubt

[Srikumar V. <sri...@gm...>]

>
>
>
> what are input and output files?
> what should they contain while scheduling?
>

Since GridSim is a simulator, there are no actual input and output
files for a job. But, you can simulate a job's execution more
accurately by providing an estimate for the expected size of its input
and output files.

HTH

Srikumar
>
> ------------------------------------------------------------------------------
> This SF.net email is sponsored by:
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> https://lists.sourceforge.net/lists/listinfo/gridsim-users
>
>

[GridSim-users] read this and clarify my doubt

[user g. <use...@gm...>]

In GridSim, each independent task may require varying processing time and
input files size.
Such tasks can be created and their requirements are defined through Gridlet
objects. A Gridlet is a
package that contains all the information related to the job and its
execution management details such
as job length expressed in MIPS, disk I/O operations, the size of input and
output files, and the job
originator. These basic parameters help in determining execution time, the
time required to transport
input and output files between users and remote resources, and returning the
processed Gridlets back to
the originator along with the results.



what are input and output files?
what should they contain while scheduling?

[GridSim-users] examples for gridsim-parallel.....

[komagal m. <kom...@ya...>]

hi everyone,

im using gridsim-4.1 parallel for my application. but i couldnt find examples regarding parallel job submission in it. can anyone provide examples for parallel task submission in grid...
please.......

-thanks in anticipation

-meenu

       
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[GridSim-users] meenu Question regarding master slave

[attiqa r. <att...@ya...>]

hello , 
As much I have understand 
finally i have to perform synchronization and  in a master resource  a analysis has to be made to find the best value.
In this regard you may make different resources and mark the name of a resource master and all others as slave1 , slave2 ........and so on .
the master resource can broad cast and slave will respond indiviually inresponse  
u can do this by registering a tag, how to register a tag and to communicate through this tag please refer to GridSim Examples
Best Wishes and regards.
Attiqa 

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Today's Topics:

   1. help (K Visalakshi)
   2. implementation of a master-slave network model in gridsim
      (komagal meenakshi)


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

Message: 1
Date: Sun, 18 Jan 2009 18:57:07 +0530
From: "K Visalakshi" 
Subject: [GridSim-users] help
To: gridsim-users 
Message-ID:
 
Content-Type: text/plain; charset="iso-8859-1"

In GUI of visual modeler we are able to see many algorithms like(cost
optimisation,etc...)based on which resource scheduling is done.i'd like to
know how i can include my algorithm with the already existing ones...pl help
-------------- next part --------------
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------------------------------

Message: 2
Date: Wed, 28 Jan 2009 05:40:50 +0000 (GMT)
From: komagal meenakshi 
Subject: [GridSim-users] implementation of a master-slave network
 model in gridsim
To: gridsim 
Message-ID: <221...@we...>
Content-Type: text/plain; charset="utf-8"

hai everyone of u,
 
i have decided to implement my application in scheduling using gridsim 4.1 -parallel.......

in my work, im going to parallelize the tasks to resources that will evaluate  a function and find its value.

finally i have to perform synchronization and  in a master resource  a analysis has to be made to find the best value.

so i have to implement a Master-Slave model as the internal network model in grid..further more i should configure the  master such that it have the ability to broadcast to slaves and in turn the slaves must report to the master individually to master (one -one communication) .is that possible in gridsim???

please help me in this regard.......
thank u in anticipation.....
-meenu


       
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End of Gridsim-users Digest, Vol 73, Issue 1
********************************************



 


---------------------------------
Attiqa Rehman
 PhD Candidate& HEC-DAAD Scholar
DAAD PKZ A/07/98381
University of Hagen



       
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[GridSim-users] implementation of a master-slave network model in gridsim

[komagal m. <kom...@ya...>]

hai everyone of u,
 
i have decided to implement my application in scheduling using gridsim 4.1 -parallel.......

in my work, im going to parallelize the tasks to resources that will evaluate  a function and find its value.

finally i have to perform synchronization and  in a master resource  a analysis has to be made to find the best value.

so i have to implement a Master-Slave model as the internal network model in grid..further more i should configure the  master such that it have the ability to broadcast to slaves and in turn the slaves must report to the master individually to master (one -one communication) .is that possible in gridsim???

please help me in this regard.......
thank u in anticipation.....
-meenu


       
---------------------------------
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[GridSim-users] Fwd: help

[K V. <msk...@gm...>]

---------- Forwarded message ----------
From: K Visalakshi <msk...@gm...>
Date: Sun, Jan 18, 2009 at 6:40 PM
Subject: help
To: gridsim-users <gri...@li...>


In GUI of visual modeler we are able to see many algorithms like(cost
optimisation,etc...)based on which resource scheduling is done.i'd like to
know how i can include my algorithm with the already existing ones...pl help

Re: [GridSim-users] possible to submit gridlet during the execution continuously?

[ye h. <hua...@gm...>]

Hi,
I fix the problem by appending a small delay on the new arrival  
external gridlet, as:
super.send(resourceId, 0.0, GridSimTags.GRIDLET_SUBMIT, job);

However, I find another confusing "bug", it's about the way of  
receiving gridlet sent back from resources. Here i am going to explain  
it using a demo from GridSim's official example file: Example 04:

Starting from line 109 of Example 04, submitting and receiving  
gridlets are finished in one loop as follows:
--- code snippet 1 ---

for (int i = 0; i < this.list_.size(); i++)
{
     gridlet = (Gridlet) this.list_.get(i);
     info = "Gridlet_" + gridlet.getGridletID();

     super.gridletSubmit(gridlet, resourceID);

     gridlet = super.gridletReceive();
     this.receiveList_.add(gridlet);
}

In my scenario, in order the decouple the behavior, I split the  
procedure into two parts as follows:

--- code snippet 2 ---

// part 1: submit gridlet
for (int i = 0; i < this.list_.size(); i++)
{
     gridlet = (Gridlet) this.list_.get(i);
     info = "Gridlet_" + gridlet.getGridletID();

    super.send(resourceID, GridSimTags.SCHEDULE_NOW,
                   GridSimTags.GRIDLET_SUBMIT, gridlet);

}

// part 2: receive gridlet from gridresource
Sim_event ev = new Sim_event();
while (Sim_system.running()) {
     super.sim_get_next(ev);

	if (ev.get_tag() == GridSimTags.GRIDLET_RETURN){
		gridlet = (Gridlet) ev.get_data();

         // stores the received Gridlet into a new GridletList object
         this.receiveList_.add(gridlet);
     }
	
}

// part 3, print the received gridlet list
printGridletList(this.receiveList_);

---

Then, during the execution, I got the prompted warning :
Resource_0: Warning - Gridlet #2 owned by Example4 is already  
completed/finished.

The more gridlets were submitted, the more warning will be prompted.

I have to say, it seems there is no mistake caused by this warning.  
But to understand the infrastructure better, is there anyone could  
help me about why it appears and how to avoid it?

Thanks again!
Regards
ye



On 18 Jan, 2009, at 8:06 PM, ye huang wrote:

> Hi, all:
> I am trying to submit some jobs during the LOOP of GridSim class's  
> while (Sim_system.running()) loop.
> Here is my scenario:
>
> Firstly, I comment method interruptedEventFromOutside() to stop  
> external interruptions.
> In body(), I prepare some jobs by localJobSubmit(), with different  
> start time. The result of job execution is retrieved during the loop  
> of "while (Sim_system.running())",
> which works fine!
>
> Additional, I uncomment interruptedEventFromOutside() to accept  
> addtional jobs during the loop: Sim_system.running(), as soon as new  
> job arrives, i submit the job to
> corresponding local resource.
>
> Now, my problem is, I notified once external gridlets arrive, part  
> of jobs submitted from localJobSubmit() won't be submitted to  
> resource(or return from resource?)
> I wanner know, whether it's possible to submit addtional jobs during  
> the loop of body().while (Sim_system.running())? I mean, there  
> should be no difference accroding the gridlets
> themselves, right?
> Could the gridlets submit from localJobSubmit() and  
> interruptedEventFromOutside() have the same jobId?
> Or anything else should be paid with attention?
>
> Thanks a lot!
> Regards
> ye
>
> --- scenario snippet ---
> body() {
> 	
> 	this.localJobSubmit();
> 	
> 	while (Sim_system.running()) {
>         super.sim_get_next(ev);
>
> 		if (ev.get_tag() == GridSimTags.GRIDLET_RETURN){
>             this.processJobReturnedFromResource(ev.get_data());
>             continue;
>         }
> 		
> 		// process other event tags
> 	}
> 	
> }
>
> private void localJobSubmit() {
> 	// prepare some jobs
> 	for(Gridlet job : knownGridletList) {
> 		// some process here to get a candidate local resource id
> 		super.send(resourceId, job.getDelay(), GridSimTags.GRIDLET_SUBMIT,  
> job);
> 	}
> }
>
> public void interruptedEventFromOutside(Gridlet job) {
> 	// some process here to get a candidate local resource id
> 	super.send(resourceId, 0.0, GridSimTags.GRIDLET_SUBMIT, job);
> }
>
>
>
>
>
>

Re: [GridSim-users] gridsim

[ye h. <hua...@gm...>]

Hi,
For me, I will write the results into a plain file and generate the  
expected graph using third party toolkit, e.g. GNUPlot, since it seems  
to be out of the range of GridSim. Any other suggestions?

Regards
ye

On 18 Jan, 2009, at 2:14 PM, K Visalakshi wrote:

> in gridsim how can i draw a graph of my results?can it be done by  
> visual modeler?is there any option in it?or should i have to import  
> it from any others like MS Excel?
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[GridSim-users] possible to submit gridlet during the execution continuously?

[ye h. <hua...@gm...>]

Hi, all:
I am trying to submit some jobs during the LOOP of GridSim class's  
while (Sim_system.running()) loop.
Here is my scenario:

Firstly, I comment method interruptedEventFromOutside() to stop  
external interruptions.
In body(), I prepare some jobs by localJobSubmit(), with different  
start time. The result of job execution is retrieved during the loop  
of "while (Sim_system.running())",
which works fine!

Additional, I uncomment interruptedEventFromOutside() to accept  
addtional jobs during the loop: Sim_system.running(), as soon as new  
job arrives, i submit the job to
corresponding local resource.

Now, my problem is, I notified once external gridlets arrive, part of  
jobs submitted from localJobSubmit() won't be submitted to resource(or  
return from resource?)
I wanner know, whether it's possible to submit addtional jobs during  
the loop of body().while (Sim_system.running())? I mean, there should  
be no difference accroding the gridlets
themselves, right?
Could the gridlets submit from localJobSubmit() and  
interruptedEventFromOutside() have the same jobId?
Or anything else should be paid with attention?

Thanks a lot!
Regards
ye

--- scenario snippet ---
body() {
	
	this.localJobSubmit();
	
	while (Sim_system.running()) {
         super.sim_get_next(ev);

		if (ev.get_tag() == GridSimTags.GRIDLET_RETURN){
             this.processJobReturnedFromResource(ev.get_data());
             continue;
         }
		
		// process other event tags
	}
	
}

private void localJobSubmit() {
	// prepare some jobs
	for(Gridlet job : knownGridletList) {
		// some process here to get a candidate local resource id
		super.send(resourceId, job.getDelay(), GridSimTags.GRIDLET_SUBMIT,  
job);
	}
}

public void interruptedEventFromOutside(Gridlet job) {
	// some process here to get a candidate local resource id
	super.send(resourceId, 0.0, GridSimTags.GRIDLET_SUBMIT, job);
}

[GridSim-users] help

[K V. <msk...@gm...>]

In GUI of visual modeler we are able to see many algorithms like(cost
optimisation,etc...)based on which resource scheduling is done.i'd like to
know how i can include my algorithm with the already existing ones...pl help

[GridSim-users] gridsim

[K V. <msk...@gm...>]

in gridsim how can i draw a graph of my results?can it be done by visual
modeler?is there any option in it?or should i have to import it from any
others like MS Excel?

[GridSim-users] visual modeler

[K V. <msk...@gm...>]

in gridsim toolkit what is the exact use of grid broker...how does it differ
from scheduler?

[GridSim-users] help

[K V. <msk...@gm...>]

In GUI of visual modeler we are able to see many algorithms like(cost
optimisation,etc...)based on which resource scheduling is done.i'd like to
know how i can include my algorithm with the already existing ones...pl help

[GridSim-users] I lovve my babe

[Aharoni P. <bo...@uo...>]

How to Give Her Absolutee Pleasure?
http://cid-e667d79d5fd36486.spaces.live.com/blog/cns!E667D79D5FD36486!106.entry/





Known, or she would not have asked him to elmwood. Trip up!
he'll show us how to steer with a pole, as the wind in the
middle kingdom. The first forty of the palatines rolled
at midnight, and the smoky of the death in battle of her
unretreating son,. 

[GridSim-users] inter task communication

[attiqa r. <att...@ya...>]

hello to all , 
           can some one please tell me how to handel the inter task communication between two dependent tasks.
Attiqa Rehman
       
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