Benchmarking forcing functions

[ali-ramadhan]

This should help us figure out how to write efficient forcing functions. Important as they're used by the Europa and seasonal cycle simulations to implement relaxation terms at the boundaries.

X-ref: #365

[codecov]

Codecov Report

Merging #370 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #370   +/-   ##
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  Coverage   74.74%   74.74%           
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  Files          22       22           
  Lines        1176     1176           
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  Hits          879      879           
  Misses        297      297

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[glwagner]

I'm happy to merge this --- though are we sure we need this as a permanent part of the code? When we write the documentation, we can use this script to develop our tips and then decide whether or not we want to keep it after that.

[ali-ramadhan]

Sounds like a good idea. Should come in handy for developing those tips.

I think we should have a pretty sophisticated benchmarking suite that runs as part of CI, which should include benchmarking forcing functions. We just don't have a place to run these benchmarks right now, although SlurmCI (see PR #280) is an option now.