Partly because we don’t want to be locked into using Intel for both of DOE’s open science machines. In the lead up to the exascale or near exascale machines (2

Partly because we don’t want to be locked into using Intel for both of DOE’s open science machines. In the lead up to the exascale or near exascale machines (2012-now) I don’t remember hearing much about AMD, so presumably Intel and IBM were the only vendors supplying general purpose CPUs.