PDQ Version 6.2.0 Released

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PDQ (Pretty Damn Quick) is a FOSS performance analysis tool based on the paradigm of queueing models that can be programmed natively in

This minor release is now available for download.

If you’re new to PDQ, here’s a simple queueing model written R that you can paste directly into an RStudio console or script window:

<br /># A simple M/M/1 queueing model in R-PDQ.<br /><br />require(pdq)<br /><br /># input parameters<br />arrivalRate <- 0.75<br />serviceRate <- 1.0<br /><br />## Build and solve the PDQ model<br />Init("Single queue model")                 # Initialize PDQ<br />CreateOpen("Work", arrivalRate)            # Create workload<br />CreateNode("Server", CEN, FCFS)            # Def single server<br />SetDemand("Server", "Work", 1/serviceRate) # Def service time<br />Solve(CANON)                               # Solve the model<br />Report()                                   # Formatted output<br />
Also, check out the relevant books and training classes.

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