Uday Ruddarraju, the former head of infrastructure engineering at Elon Musk’s xAI, has stepped down from his role after more than a year with the company. During his tenure, he played a pivotal role in developing Colossus—a massive supercomputing cluster powered by over 200,000 GPUs—and contributed to the training of Grok 3, one of xAI’s most advanced AI models. Ruddarraju …
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