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19 Oct 2022

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A Tesla Supercomputer Tripped the Grid

Tesla unveiled Dojo during its annual AI Day, a technology that was very much in its infancy last year. However, the tech giant made remarkable progress when it presented the project at this year's AI event.

The supercomputer has evolved from a chip into a full cabinet. The company said it could replace size GPU boxes with a Dojo tile, which is cheaper than one GPU box.

On each tray, there are six pieces of Dojo tiles. Tesla claims that each tray is the equivalent of 3 - 4 full-sized, advanced supercomputer racks. A two-tray press fits nicely in a single Dojo cabinet with the needed hardware and a host assembly.

However, the process of computation, combined with energy usage, which is much greater than the average computer, leaves Dojo vulnerable to such things as an electricity outage, similar to what happened in an attempt to go online in Palo Alto.

"Earlier this year, we started load testing our power and cooling infrastructure. We were able to push it over 2 MW before we tripped our substation and got a call from the city," Bill Chang, Tesla's System Engineer, explained.

Tesla built its high-powered cooling and power system to power the supercomputer seamlessly. The following are the specs for the 'ExaPOD.'

  • 1.3TB SRAM
  • 13TB DRAM
  • 1.1 EFLOP

There are currently seven ExaPODs planned for Palo Alto.

The Dojo will greatly help Tesla develop the artificial neural networks they use to build self-driving technology. This includes their artificial intelligence framework known as Sonic.

During its AI Day, the company also presented a humanoid robot called Optimus. While Optimus has some major catching up to do, as Tesla foresees, it's at least given a working prototype. It may still be years before the robot is used for household chores and dangerous tasks.

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