[SciPy-User] Sample queueing analysis

nicky van foreest vanforeest@gmail....
Wed Aug 8 16:47:05 CDT 2012


Hi Mohammed

You might be interested in some of python code for queueing analysis at my
homepage

Http://Nicky.vanforeest.com

Nicky
On Aug 7, 2012 7:13 AM, "Mohan Radhakrishnan" <mohanr@fss.co.in> wrote:

>  Hi,****
>
> ** **
>
> I am trying to learn to draw graphs for performance models. As part of
> this process I have a sample problem from a technical paper “The
> Operational Analysis of Queueing Network Models”****
>
> ** **
>
> There are 3 componens and their visit rations and service times.****
>
> ** **
>
> V1S1 = (20)(.05) = 1.00 seconds (Total CPU time *is the bottleneck* ) ****
>
> ** **
>
> V2S2 = (11)(.08) =  .88 seconds (Total Disk time)****
>
> ** **
>
> V3S3 = (8)(.04)= .32 seconds (Total Drum time)****
>
> ** **
>
> These products sum to the minimal response****
>
> time of *2.2* seconds****
>
> ** **
>
> M1 = Z/VISI = 20/1 = 20 terminals****
>
> ** **
>
> ** **
>
> Now I want to draw the graph by sending these values as inputs to a
> queueing model. So if I plot terminals vs seconds the asymptote of the
> response time curve should intersect****
>
> The y-axis at 20 which is M1 give above.****
>
> ** **
>
> Is this type of work done using Sci-Py to solve a queueing model ? Can I
> read some references ?****
>
> ** **
>
> Thanks,****
>
> Mohan****
>
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