Restart capability and remote executions make gnu parallel the tool if choice fo...

Restart capability and remote executions make gnu parallel the tool if choice for HPC. For example, you might very well use gnu parallel to run 1000s of cpu-hours of numerical simulation using patterns such as these ones,

https://docs.computecanada.ca/mediawiki/index.php?title=GNU_...

Using xargs for this kind of work is euhm... not a good idea.