|And don't forget the extra PCI-E lanes required for any existing and future NVMe drives you might want to add.|
All Things Media, LLC
On Wed, Apr 18, 2018 at 2:47 PM, Jean-Francois Panisset <email@example.com> wrote:
Not only will having a single CPU in a Z8 machine disable half the
DIMM slots, but it will also remove half the available PCIe lanes. If
you look at page 2 of the QuickSpecs document at:
you will end up with a single x16 PCIe slot instead of 3 in a single
CPU configuration, which negates most of the advantages of the Z8
Are you planning to also use this machine to join the render farm when
idle / overnight? If so it definitely makes sense to go with dual
Xeons with large numbers of cores, since offline renderers typically
scale quite well with number of cores these days.
If this is purely an interactive machine, I'd go with lower count,
higher speed cores, with the caveat that you will definitely want 2
CPUs if you want more than 1 GPU. But then a i7 / i9 machine may turn
out to be more appropriate, and you can throw the money you are saving
on CPUs at more / better GPUs.
SuperMicro now has i7/i9 machines with IPMI, which makes managing
those machines a lot simpler (in an ideal world I would have IPMI on
every single machine in the facility).
On Wed, Apr 18, 2018 at 9:18 AM, Shawn Wallbridge <firstname.lastname@example.org> wrote:
> You will limit the memory capacity and throughput with a single cpu.
> Other than that, I am not sure you would see much difference.
> On Wed, Apr 18, 2018 at 12:12 PM Sam Richards <email@example.com>
>> I'm looking at the new HP Z8 workstations, and was wondering what
>> experience people are having comparing Single vs. Dual CPU machines.
>> Are you better off going with Dual CPU (More L3 Cache, more bandwidth) vs.
>> single CPU (less handshaking with other CPU).
>> In particular, I'm focusing on this for running the usual Nuke and Maya
>> (with Vray) jobs, so I wasnt planning to get a crazy number of cores, so
>> possibly looking at either:
>> Dual Xeon Gold 6128 (3.4 Ghz 6 Core).
>> Single CPU Xeon 6136 12 core (3Ghz 12 core)
>> The single core is very slightly slower (not sure its noticeable), but
>> quite a bit cheaper.
>> I'm deliberately going with a high clock speed, since we sadly live in a
>> world where far too much is not multi-threaded, and 12 cores seems like a
>> pretty good balance, or am I missing something?
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