[HN Gopher] Fujitsu A64FX Microarchitecture Manual [pdf]
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       Fujitsu A64FX Microarchitecture Manual [pdf]
        
       Author : rrss
       Score  : 9 points
       Date   : 2021-01-16 21:20 UTC (1 hours ago)
        
 (HTM) web link (github.com)
 (TXT) w3m dump (github.com)
        
       | aoki wrote:
       | For anyone else who was confused: this is an ARM design aimed at
       | supercomputers, and it is used in a recent system that topped
       | TOP500.
        
       | whatever1 wrote:
       | It is so weird that Intel and AMD blew their headstart so badly.
       | I see so many players who come up with ARM implementations that
       | come close or even exceed the performance / energy envelope of
       | Intel/Amd.
        
         | tyingq wrote:
         | This one counts as exceeding, at least on some measures. The
         | chip has 1TB/s of memory bandwidth from the 48 cores to its on-
         | package 32GB of memory. Looks like the smallest thing you can
         | buy, though, is a 2U server with 8 sockets, 2 of them
         | populated, for $40k.
        
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       (page generated 2021-01-16 23:01 UTC)