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Re: AMD Ryzen and NetBSD?
On Fri, Jun 30, 2017 at 04:55:40PM +0100, Patrick Welche wrote:
> On Fri, Jun 30, 2017 at 03:41:39PM +0000, maya%netbsd.org@localhost wrote:
> > On Fri, Jun 30, 2017 at 09:25:19AM +0100, Patrick Welche wrote:
> > > I'm happily running -current on a Ryzen 7 1700 / Asus PRIME X370-PRO.
> > > I wonder about its i/o though: I remember dd'ing zeros over old disks, and
> > > thought "this is slow", so I dd'd over 3 disks at once, with no change
> > > in individual "progress" bit rate, i.e. 3 times the bandwidth...
> > Are you specifying block size? dd is terribly slow without it.
> I was using 64k - essentially the example in the "progress" man page.
Latency. You want a double-buffered pipeline.
Thor Lancelot Simon tls%panix.com@localhost
"We cannot usually in social life pursue a single value or a single moral
aim, untroubled by the need to compromise with others." - H.L.A. Hart
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