On: Fortran is still a thing

[timClicks]

And that's often because network hardware understands MPI and is able to optimize flows between nodes at far lower latency than TCP.

[Something1234 → timClicks]

That's really cool. Source?

[timClicks → Something1234]

I used to work in HPC. The Mellanox gear, specifically InfiniBand is very good.

Fun fact: if you're working at a Saudi Arabian HPC center, say KAUST, your interconnects are purely Ethernet. Mellanox is (partially?) an Israeli company, and that's not very politically comfortable with procurement.