As much as I dislike the rising prices of gpus, they are still really necessary. If you are doing ML training, a 5090 is still the most cost effective gpu since clustering multiple small gpus is usually not too efficient. For reference a 5090 is about 4-5 times faster at training than a DGX spark and a Thor is even slower. They do have different purposes but I made the mistake of thinking that the sparks would be close to the best for all general purpose ML
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