The first time you plot using Plots.jl it will take a long time as it compiles the package, and maybe even has to download things. But subsequent plots should b

The first time you plot using Plots.jl it will take a long time as it compiles the package, and maybe even has to download things. But subsequent plots should be fast. Unless each time you run the script you are starting over again—but that's not the best way to use Julia.