[smarx007]

From p. 74:

> Overall, the gap for most AMD-based processors closed almost immediately when we controlled for NUMA nodes – in other words, when we only considered runs where each instance showed all vCPUs running across a single NUMA node. When we did this, the performance gap dropped from 22% to 1%, which is smaller than our margin of error.

How does one avoid machines with vCPUs across multiple NUMA nodes? Do you just spin the machine up, run `lscpu | grep 'NUMA node(s)'` and kill the machine if the value reported is anything but 1 and try to spin a VM again?

[estambar]

That's what we did, yes

[digb]

"we" meaning you are an author on the report, or just at your job?

[fizwhiz]

https://news.ycombinator.com/item?id=31743182#31743198 :)

[estambar]

yes I was one of the authors of the report :)