76% higher bandwidth & 68% lower latency compared to Optane?!

[Dreece]

R&D: Kaist Researchers Unveils Advanced NVMe Controller Technology for Next Gen Memory Devices

Group of researchers led by Professor Myoungsoo Jung from the School of Electrical Engineering at KAIST developed a next gen NVMe controller technology that achieved parallel data input/output processing for SSDs in a fully hardware automated form.

www.storagenewsletter.com

Glad the tech is open-source, but like, any STH'er building their own NVM storage devices out there?

 

[T_Minus]

We were promised Gen2 optane this year, but I haven 't seen anything recently, if I recall it was lower latency and 2x bandwidth like this headline but some of this has to do with PCIE itself I thought.

DIY NVME I think may be above my level though

 

[i386]

They are comparing pcie optane...
Optane in nvdimm can read up to 6.6 GByte and write up to 2.3GByte. (Source: https://arxiv.org/pdf/1903.05714.pdf)

if I recall it was lower latency and 2x bandwidth like this headline but some of this has to do with PCIE itself I thought.

I read somewhere that first gen optane was limited by the controller(s) used to read/write to 3dxpoint/optane. Not sure if it was on sth or somewhere else.
Maybe @Patrick knows more

 

[Patrick]

I think what some of the hyper-scale companies are doing is more interesting.

Instead of doing DRAM cache on the SSDs with PLP, they can write to Optane DCPMM, and then flush to large pools of NAND after. Lower latency persistent writes and less extra DRAM buffering in the system to lower costs. It also simplifies the SSD controller since it is not managing a DRAM cache. CXL makes this model more interesting.