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Posts by Olli-Pekka Lehto

Mahdollisuus kyllä, mutta pelkkä toivo ei riitä. Meidän pitäisi oikeasti laittaa paketti kasaan: selkeä brändi, helppo polku tulla ja aito vetovoima. En ole nähnyt ainakaan Suomessa vielä juurikaan konkreettisia askeleita. Potentiaalia olisi, mutta kuka ottaa kopin?

1 year ago 0 0 0 0

One lesson I learned back in the day the hard way: Using CLOCK_REALTIME to calculate precise intervals. Things get messy when NTP adjusts the time. CLOCK_MONOTONIC or CLOCK_BOOTTIME FTW in these cases.

1 year ago 2 0 0 0
NERSC First To Reach Goal of Seamless Shutdown, Restart of Supercomputer

Back in the day the Cray T3E could do checkpointing very nicely: www2.lbl.gov/Science-Arti... Someone could correct me if I’m wrong but I don’t think any system since that has been able to achieve the same functionality in a real production environment.

1 year ago 3 0 0 0

It was called the Avalanche installer and was prertty slick. www.rocksclusters.org/assets/paper...

1 year ago 2 0 0 0
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In this paper, researchers have presented an exploration of fuzzy hashing to classify #HPC application executables, inspired by malware detection techniques.

arxiv.org/pdf/2411.18327

1 year ago 10 2 0 1

Kajaani region in #Finland seems to be turning into a globally significant datacenter hub. 🎉

1 year ago 2 0 0 0

Proud to be a part of the long tail of #HPC lurkers 🫡

1 year ago 2 0 0 0
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5400W (!) per GB200 NVL4 board exemplifies the hot Winter of Moore's Law.

The next five years' next 10X @ constant power must somehow shave 90% of today's energy: new algorithms & abstractions, codesign, integration, specialization, accelerators, processing near & in-memory, and new interconnects.

1 year ago 31 8 3 3

That is a fantastic book! Seems that y'all know what you are doing

1 year ago 0 0 0 0