On 2 Apr 2017, at 0:10, Joshua Hoblitt wrote:
I decided to go with an E6-1650 v4 / C612 based motherboard as I
wanted
both ECC memory and a BMC.
I think something this is the best option for the moment.
Posted-interrupts are only on E5 v4 and Xeon-D.
It makes a big difference with network cards (and GPUs).
Does anyone know if AVIC or some other Ryzen feature provides for
posted-interrupts?
This required switching from U to RDIMMs,
which I typically don't use in a desktop, but there is theoretically a
small RAS improvement with RDIMMs. The cost works out to ~$350 more
than a E3 system at the same clock rates, and dropping from kaby lake
to
broadwell. However, it is a jump from 2-4 memory channels, additional
DIMM slots, and 2 additional cores.
-Josh
--
On 04/01/2017 10:44 PM, Joshua Lee wrote:
That's the total price, counting the motherboard, btw.
On Sun, Apr 2, 2017 at 1:43 AM, Joshua Lee <joshua...@gmail.com
<mailto:joshua...@gmail.com>> wrote:
What do you mean by "iffy"? My $200 x99 board has seperate IOMMU
groups per-device, and a i7 5820k/6800k or, if you want it
cheaper, an E5-1620v3 or 1620v4, can do ACS and sane IOMMU groups
with it for under $600 also, without needing to get a used
processor...
On Fri, Mar 31, 2017 at 8:11 PM, taii...@gmx.com
<mailto:taii...@gmx.com> <taii...@gmx.com
<mailto:taii...@gmx.com>> wrote:
Intel's stuff is really iffy about ACS unless you buy one of
the overpriced two thousand dollar processors, they use it
for
artificial market segmentation so that they can say the
desktop processors and the E3 etc doesn't "support" sr-iov
etc.
If you want to do this without spending lots of money I would
go with a coreboot compatible G34 Opteron setup, I have a
KGPE-D16 and it has ACS + IOMMU with interrupt remapping (and
every device gets its own IOMMU group) - I play games in VM
on it.
You can get the board for $400 and a used quality 16 core CPU
for around $100, there is also a port of the OpenBMC network
kvm in progress - which will make it the first blob free
server board with feature equivalency to the proprietary
stuff.
https://www.coreboot.org/Board:asus/kgpe-d16
<https://www.coreboot.org/Board:asus/kgpe-d16>
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