Re: [RFC PATCH 00/14] Heterogeneous Memory System (HMS) and hbind()

[Dave Hansen]

On 12/6/18 3:28 PM, Logan Gunthorpe wrote:
> I didn't think this was meant to describe actual real world performance
> between all of the links. If that's the case all of this seems like a
> pipe dream to me.

The HMAT discussions (that I was a part of at least) settled on just
trying to describe what we called "sticker speed".  Nobody had an
expectation that you *really* had to measure everything.

The best we can do for any of these approaches is approximate things.

> You're not *really* going to know bandwidth or latency for any of this
> unless you actually measure it on the system in question.

Yeah, agreed.