Why `-march=nocona -mtune=haswell`?

conda-forge / abinit-feedstock

A conda-smithy repository for abinit.

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Why `-march=nocona -mtune=haswell`? #30

Open chrisjsewell opened 3 years ago

chrisjsewell commented 3 years ago

Hey @gmatteo, as we discussed, I was going to try using this for Quantum Mobile. However, I note that it is set to compile for a specific architecture, which I imagine may cause issues like we have already seen in https://github.com/aiidateam/aiida-common-workflows/issues/159?

ltalirz commented 3 years ago

nocona is an ancient microprocessor architecture (2004), i.e. I would be surprised if these settings are causing an issue.

conda-forge now already uses core2 per default, which is from 2006 (edit: don't remember where I saw this... anyhow, I definitely still see a lot of nocona around on conda-forge as well).