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0 pointsksec5y ago0 comments

Well PIM or Processing In Memory or Computational Memory [1] isn't new. The Question is what exactly did they put in those memory or what are the target performance speed up in that specific domain. This PR provides embarrassingly little details.

[1] https://en.wikipedia.org/wiki/Computational_RAM

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BenoitP5y ago· 1 in thread

Yep, this is indeed very little detail. To me this PR is the PR you send when you just discovered you're late, but try to retain the clients' attention.

They felt the wind turning, saw the market ask for it, saw companies like UPMEM having a lead.

If you want more details, UPMEM has more. If I recall correctly they etched their own core right into the same silicon as the DRAM.

Here is a link that I think will satisfy your curiosity: https://www.upmem.com/nextplatform-com-2019-10-03-accelerati...

tmotwu5y ago

If it interests you - stated at the bottom of the press release, they appear to be presenting a conference accepted paper on this.

Looking at the ISSCC program, I presume this is what they're talking about: "A 20nm 6GB Function-In-Memory DRAM, Based on HBM2 with a 1.2TFLOPS Programmable Computing Unit Using Bank-Level Parallelism, for Machine Learning Applications" [1]. I suspect this is where there will be a deep dive into the gory technical details of the architecture and performance. It's tomorrow so it won't be a long wait.

[1] https://submissions2.mirasmart.com/ISSCC2021/PDF/ISSCC2021Ad... (p 38)

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