Jeff, thankyou for that. General availability in 2019
On Wed, 26 Sep 2018 at 07:42, Jeff Johnson
<jeff.john...@aeoncomputing.com> wrote:
>
> John,
>
> Did you see this?
> https://www.anandtech.com/show/12828/intel-launches-optane-dimms-up-to-512gb-apache-pass-is-here
>
> It's the DDR4 compatible DIMM slot version of Optane as persistent memory. I
> have a set of Diablo DIMMs still. These are supposed to act in the same
> general way. Livable speeds (compared to DDR4 DIMMs), up to 512GB per DIMM
> with the ability to protect and persist memory ranges through reboots/POST
> and power cycles. I haven't played with the Optane version firsthand so I'm
> going off of what I've heard.
>
> --Jeff
>
> On Tue, Sep 25, 2018 at 8:39 PM John Hearns via Beowulf <beowulf@beowulf.org>
> wrote:
>>
>> Over on the SLURM list we recently had a very good discussion on swap
>> space and job suspension. I commented that for large memory systems we
>> should be seeing tiered RAM devices by now.
>>
>>
>> I had a look at the Intel pages on Optane memory. It is definitely
>> being positioned as a fast file cache, ie for block
>> oriented devices.
>> https://www.intel.com/content/www/us/en/architecture-and-technology/intel-optane-technology.html
>>
>> I mentioned Diablo Technologies, who I think have gone out of
>> business. They had available a DRAM form-factor high capacity memory
>> device using flash. This worked by tiering RAM memory - ie a driver in the
>> Linux
>> kernel would move little used pages to the slower but higher capacity
>> device.
>> I though the same thing would apply to Optane, but it seems not.
>> Can anyone comment? I do not expect anyone under NDA to comment of course.
>>
>> I have probably said this on many forums - we are seeing the trend to
>> wards higher and higher memory systems, which enable more detailed
>> meshes, bigger models and in-memory databases. But do we need huge
>> amounts of expensive and fast DRAM to do this?
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>
>
>
> --
> ------------------------------
> Jeff Johnson
> Co-Founder
> Aeon Computing
>
> jeff.john...@aeoncomputing.com
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