Re: CPA patchset

Arjan van de Ven
2008-01-11T17:19:29Z

On Fri, 11 Jan 2008 09:02:46 -0800 (PST)
dean gaudet <dean@arctic.org> wrote:

> > Bulk ops (string ops, etc.) will do full cacheline writes too,
> > without filling in the cacheline.
>
> on intel with fast strings enabled yes. mind you intel gives hints in
> the documentation these operations don't respect coherence... and i
> asked about this when they posted their memory ordering paper but got
> no response.

I know there's an answer on the way; it just needs to get checked by
architects for cpus we shipped in like the last 10 years ;)

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