Meta GenAI Infra, Oracle RDMA, Cerebras, Co-packaged optics, devin, figure01, summarize youtube videos, pdf linux cli, levulinic acid

Meta GenAI infra: link. Interesting they have built two cluster one Ethernet and the other Infiniband, both without bottlenecks. I don’t understand if Gran Teton is where they install the NVIDIA GPUs? And for storage, I would expect something based on ZFS or similar. For performance, “We also optimized our network routing strategy”. And it is critical the “debuggability” for a system of this size. How quick you can detect a faulty cable, port, gpu, etc?

Oracle RDMA: This is an ethernet deployment with RDMA. The interesting part is the development DC-QCN (some ECN enhancement)

Cerebras WSE-3: Looks like outside NVIDIA and AMD, this is the only other option. I wonder how much you need to change your code to work in this setup? They say it is easier… I like the pictures about the cooling and racks.

Co-packaged optics: Interesting to see if this becomes a new “normal”. No more flapping links anybody? It is the fiber or replace the whole switch….

I have been watching several videos lately and I would like to be able to get a tool to give a quick summary of the video so I can have notes (and check if the tool is good). Some tools:, sumtubeai

video1, video2, video3, video4, video5, video6, video7, video8, video9, video10, video11

Devin and Figure01: Looks amazing and scary. I will need one robot for my dream bakery.

I wanted to “extract” some pages from different pdfs in just one file. “qpdf” looks like the tool for it.

qpdf --empty --pages first.pdf 1-2 second.pdf 1 -- combined.pdf

levulinic acid: I learnt about it from this news.