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Video: Whatever you do, DON'T BREAK Tianhe-2

Chinese and Russian cluster kids at Student Supercomputer Challenge

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HPC Blog It's mostly cluster-building, processor-fumbling fun, but there will also be a few tenser moments for the teams of students attending the ASC Student Supercomputer Challenge.

First, there's the competitive aspect... and then there's the fact that they'll be expected to run code on the 33,862.7 TFlop/s Tianhe-2 supercomputer: only the number one supercomputer in the world.

It's the Asian supercomputing Conference 2014's (ASC14) Student Cluster Competition, and the kids are alright...

My interview with Team Taiyuan (Taiyuan University of Technology) highlights my absolute inability to pronounce many words, including the name of their university. Fortunately, my plucky interpreter, Claire, was at hand to translate my lame questions into Chinese and their answers back into English.

Team Taiyuan is a new team to cluster competitions, but they immediately figured out that the biggest challenge they face is staying under the power constraint. While the team said they were running eight nodes, I later found that they were in fact running 10 nodes with no accelerators.

Youtube Video

Next up, we spent some time with Team Tsinghua (Tsinghua University), the powerhouse team from Beijing. This is the team that has been there and done that, a three-time participant in cluster competitions. They won the first ASC competition, and followed that up with an overall championship at the inaugural ISC competition in Germany. The team went on to win ASC’13 and was barely edged out at ISC’13 by a plucky underdog team from South Africa.

Youtube Video

In the interview, we talk about how the team is looking forward to using Tianhe-2 for the 3D-EW application. I attempt to stir up some team dissention with the Tsinghua student spokesperson, but it doesn’t work out very well.

We next talked to Team Ural (Ural Federal University), the sole team from Russia at ASC’14. Marina, the student spokesperson, did a great job in explaining everything they were experiencing for the first time. It’s their first time building a cluster, using Xeon Phi, using a supercomputer, etc. It’s all new and often surprising – but not always in a good way.

Youtube Video

Team Ural was grappling with MPI problems and getting it to work with their Phi co-processors. This is a pretty big deal, since they’re depending on the Phi accelerators (six of ‘em) to provide a lot of the processing punch in their three node cluster.

We have a good conversation about their challenges and how difficult the competition is this year. We also have a cameo appearance from the Team Ural coach, who talks a bit about her role and her pride in their team. We agreed that while she’s currently proud of her team, she’ll be even prouder when they get the cluster operating as it should.

Team Beihang (Beihang University) is another team from Beijing, but they have the distinction of being generally acknowledged as China’s finest aeronautics university. It also has the distinction of being the only Chinese university whose name I pronounced correctly the first time (with plenty of help from Claire).

Youtube Video

In the video, we talk about how the team is looking forward to running code on Tianhe-2. I also attempt to make a lame joke about them potentially breaking Tianhe-2, but the noise level in the room (it’s profoundly loud, although I was able to filter most of it out) and my mumbling makes the joke fall very flat.

That’s a quick overview of the first four teams at ASC’14. In our next batch, we take a look at NUDT’s and HUST’s veteran teams, plus competition newbies Team Brazil and Team Zhejiang. ®

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