Who makes supercomputers faster and faster (CPU, fibre interconnect, parallel processing or virtual machine)? 29th June, 2021.

Preface: In Japanese mythology, the Namazu (鯰) or Ōnamazu (大鯰) is a giant underground catfish who causes earthquakes. This giant not caused disaster, he is the fastest supercomputer in the world. His name is FUGAKU.

Background: Riken and Fujitsu started developing the system in 2014, working closely with ARM to design the A64FX processor. Each of these ships has 48 CPU cores based on the ARM architecture version 8.2A, making it the first such chip in the world. Furthermore, more than 94.2% of supercomputers are based on Linux. In addition, supercomputers can run Windows operating systems.

Do you think today’s supercomputers only rely on a few sets of multi-core processors and standalone operating systems?

When using two virtual machines, VMware found that the overall benchmark results using an 8 TB data set were almost as fast as native hardware, while when using 4 virtual machines, the virtualization method was actually 2% faster. If the system architecture is constructed by many virtual machines. In order to achieve parallel computing to improve efficiency. The supercomputer also apply similar concept.

Base on design goals. HPC workload manager focuses on running distributed memory jobs and supporting high throughput scenarios, and Kubernetes is mainly used to orchestrate containerized microservice applications. If the system architecture is constructed by many virtual machines. Realize parallel computing to improve efficiency. So when the above concepts are implemented on a supercomputer, the processing power will be improved.

The fastest supercomputer this month is FUGAKU. But who can guarantee that FUGAKU will always be number one?

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