Who is Uday Ruddarraju? The Indian-Origin Engineer Who Left #ElonMusk 's $XAI for OpenAI ๐
๐ Uday Ruddarraju - The brilliant Indian-origin engineer, once the head of infrastructure engineering at xAI, has resigned after a monumental year, leaving an indelible mark on AI tech.
๐ฅ Colossus & Grok 3: His Legacy at xAI
At xAI, Ruddarraju helped build Colossus โ a supercomputer with 250,000 GPUs, one of the largest in the world! ๐ป๐ฅ He also led the training of Grok 3, overseeing the largest pre-training run ever across 100,000 GPUs.
๐ง From eBay to xAI
With a Masterโs in Computer Science from the University of Minnesota, Uday started his career at eBay and Robinhood. In June 2024, he joined xAI & X (formerly Twitter) as Head of Infrastructure Engineering, responsible for everything from compute, networking, to data platforms. ๐ผ๐
๐ฌ Reflecting on xAI: A Journey Beyond Expectations
In a heartfelt farewell on X and LinkedIn, Ruddarraju shared:
โWhen I joined, I thought deploying 100K GPUs in 4 months was impossible. But seeing us double that and successfully train Grok 3 was a proud moment. I was happy to be wrong.โ ๐ก๐ช
๐ Gratitude & Whatโs Next?
Ruddarraju thanked the infrastructure and research teams, calling Colossus and Grok 3 career highlights. He also praised Nvidia CEO Jensen Huang, celebrating the team's power to achieve the impossible. ๐ซ And as for the future? He's excited for what's next. ๐โจ
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