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Brendan Bouffler Profile picture
Brendan Bouffler
@boofla
HPC guy @awscloud & host of HPC Tech Shorts. Opinions are mine, but you should feel free to adopt them. 🏳️‍🌈🇬🇧🦘
Jul 22, 2021 • 23 tweets • 6 min read
A lot of folks have asked about what we used to build out the infrastructure for the hackathon. 1/22 I'm going to lean on @ollyperksHPC and @CQnib and others who worked really closely to look after both the orchestration of the clusters themselves as well as the "insides" of the clusters (packages, compilers, libraries etc). 2/22
Jul 21, 2021 • 18 tweets • 9 min read
Drum-roll, please: @OllyPerksHPC and I just announced the winners of the @awscloud/@arm Summer Cloud HPC #ahugHackathon hosted by @ArmHPCUserGroup. 1/17 The judges were really impressed by the incredible effort from across the community that saw the participants get 31 codes working on Graviton2-based #HPC clusters that previously only built and ran on other, mostly x86-based, lifeforms. 2/17
May 13, 2021 • 16 tweets • 3 min read
When we (@awscloud) started building EFA, our fast network fabric for HPC, I was skeptical whether we'd be able to run the really hard "latency-sensitive" codes like weather simulations or molecular dynamics. Boy was I wrong. Turns out: we rock at these codes. 1/16 We learned, tho, that single-packet latency is really distracting when trying to predict code performance on an HPC cluster.

Don't misunderstand me tho: it's not irrelevant. 2/16