Simple usage of GNU parallel

from blog Reasonable Performance, | ↗ original
GNU Parallel1 is a great tool if you want to reduce the running time of a command-line job. Last week, I had a job that took 30+ minutes to run sequentially, but finished in less than two minutes when I ran it with Parallel on a 40-core machine. Unfortunately, GNU Parallel does not have a very intuitive interface and that’s a significant hurdle...