Messages in this thread | | | Subject | Re: [RFC PATCH 00/14] Heterogeneous Memory System (HMS) and hbind() | From | Dave Hansen <> | Date | Thu, 6 Dec 2018 15:38:41 -0800 |
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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.
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