Re: [GridSim-developers] about the transfer time of gridlets

[Agustín C. H. <ag...@ds...>]

U could use GridSim.clock() to get the actual sim time

Hamid Mohammadi Fard wrote:
> It's not possible. because when you measure the submission time of
> gridlet by getSubmissionTime() method, it return the time of task
> submission without considering the input transfer time. I mean if for
> example you spend 100s to transfer your input it return 101 as
> submission time and it is not clear when data begins to transfer and
> when it is finished.
>
> thanks
> hamid
>
> Agustín Caminero Herráez wrote:
>> Perhaps, u could store the time when a gridlet reaches a resource (class
>> GridResource, function processGridletSubmit), along with the time when
>> the gridlet is submitted (class GridSim, function gridletSubmit). This
>> way u can calculate the transfer time for input files.
>>
>> Then, something similar can be done for the output files.
>>
>> Regards,
>>
>> Agustin
>>
>> Hamid Mohammadi Fard wrote:
>>  
>>> Thanks for your guidance.
>>> But I need to measure Input transfer time and Output transfer time
>>> separately. do you know any way for this?
>>>
>>>
>>> Agustín Caminero Herráez wrote:
>>>    
>>>> Well, u can just keep the time when the gridlet is submitted and the
>>>> time when it is received (this is the total time of a gridlet),
>>>> then get
>>>> the wallclocktime of the gridlet and substract it from the total time.
>>>>
>>>> This way u get the transfer time, including both input and output
>>>> files
>>>>
>>>> Hamid Mohammadi Fard wrote:
>>>>  
>>>>      
>>>>> I need to measure the transfer time of gridlet's input and output,
>>>>> but I could not find anyway to measure it. I mean I wnt o know when
>>>>> the data (Input and Output) begins to transfer and when it finishes.
>>>>> Would you help me please.
>>>>>
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>>   
>

-- 
Dr. Agustin Caminero
Assistant Professor
Dept. of Communication and Control Systems
The National University of Distance Education
Madrid. Spain
E-Mail:acc...@sc...
Phone: +34 913 989 468
http://www.uned.es