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postheadericon How to display a queueing network model using the PMIF 2.0 modeling language and the weasel webservice

We would like to talk about a new feature implemented in the Linux version of the web service "Weasel", that Is the ability to generate an image depicting the "PMIF 2.0" queueing network model. We have extended the class implementing the web service with a new method named "ToImage".
The new method have the following syntax:
  • ToImage_(model,model_type,output_format,option=NULL)
where:
  • model: is a string containing the model. At this time only PMIF 2.0 models are supported.
  • model_type: is a string containing the model type. At this stime can be only: "PMIF 2.0".
  • output_format: can be one of : "GIF", "PNG", "JPG", "SVG"
  • option: is a string used to pass extended options to the method. At this time, the only supported extended options are: "workload:true", "workload:false". If the workload parameter is set to "true" then you will see the network of queues with workload instead of arcs.

In the following images we show some output example. The first one show the PNG output without extended options set:

ATM Orig PMIF 2.0 Example

In the second one we set workload extended parameter to true to obtain the graph of workloads path:

ATM Orig PMIF 2.0 Example Workloads


Thats all! if you want to try it yourself follow this link and enjoy the magic.
 

postheadericon PDQ/PHP5

PDQ/PHP5 Analyzer v 1.0 “All In One” tool available for download. This is a C to PHP5 translation based upon: "PDQ Analyzer v3.0 111904" PDQ (Pretty Damn Quick) performance analyzer by Dr. Neil J. Gunther of www.perfdynamics.com. The PHP5 translation was made by me for research and study purpose. All Copyright © and Rights are reserved by the original author of the C-language version Dr. Neil J. Gunther.
PDQ/PHP5 Analyzer V1.0

 

postheadericon EQK Event Filter Updated

EQK Event filter service was been updated with the addition of the "minmag" (minimum magnitude) parameter options.
 

postheadericon VSAL Library 1.5 released

Now available for download the VSAL (Very Simple Ajax Library v 1.5). A collection of functions to use AJAX technique without to have to have a detailed knowledge of AJAX principles.
 

postheadericon Un Webservice per la valutazione di Modelli a reti di code

Copertina Tesi Samuel ZalloccoOggetto della presente tesi è la realizzazione di un webservice per la valutazione delle prestazioni dei sistemi (system performance evaluation) a reti di code (queueing networks) descritti, o meglio modellati, nel linguaggio PMIF 2.0 (Performance Model Interchange Format), mediante l'utilizzo di alcuni tool, commerciali e di pubblico dominio, che implementano algoritmi tipici della teoria delle code (queueing theory).

Questa tesi vuole dimostrare come i webservice possano essere utilizzati per facilitare la condivisione di tool e algoritmi per l'analisi di modelli a reti di code tramite il web, senza la necessita' di avere a disposizione materialmente in locale gli eseguibili dei tool.




A Web Service for the evaluation of queuing network models

 

postheadericon PMIF Editor

PMIF Editor V 1.0 aka QNS-WSC V 1.0 aka Weasel Client V 1.0
The Queueing Network Solver Web Service Client and PMIF Editor
Copyright (C) by Samuel Zallocco - All rights reserved

PMIF EditorProgram to create visual PMIF 2.0 queueing network models. The program can solve the model using the Weasel webservice.

 

PMIF Editor V 1.0

 

postheadericon Recent earthquake in L'Aquila zone

Terremoti recenti (Fonte INGV) filtrati per una distanza di 100Km da L'Aquila centro di Piazza Duomo

Blog dei Precari INGV

 
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