# 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 **The Pith of Performance**, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.

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:

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

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