[HN Gopher] AMD's Freshly-Baked MI350: An Interview with the Chi...
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       AMD's Freshly-Baked MI350: An Interview with the Chief Architect
        
       Author : pella
       Score  : 6 points
       Date   : 2025-06-20 21:20 UTC (1 hours ago)
        
 (HTM) web link (chipsandcheese.com)
 (TXT) w3m dump (chipsandcheese.com)
        
       | pella wrote:
       | FP6:                 "Alan: Sure, yep, so one of the things that
       | we felt like on MI350 in this  timeframe, that it's going into
       | the market and the current state of AI... we felt like that FP6
       | is a format that has potential to not only be used for
       | inferencing, but potentially for training. And so we wanted to
       | make sure that the capabilities for FP6 were class-leading
       | relative to... what others maybe would have been implementing, or
       | have implemented. And so, as you know, it's a long lead time to
       | design hardware, so we were thinking about this years ago and
       | wanted to make sure that MI350 had leadership in FP6 performance.
       | So we made a decision to implement the FP6 data path at the same
       | throughput as the FP4 data path. Of course, we had to take on a
       | little bit more hardware in order to do that. FP6 has a few more
       | bits, obviously, that's why it's called FP6. But we were able to
       | do that within the area of constraints that we had in the matrix
       | engine, and do that in a very power- and area-efficient way.
        
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       (page generated 2025-06-20 23:00 UTC)