BAD HARDWARE WEEK

 IBM boasted it took more than three years of development -- not to mention $2.4 billion in investment -- as well as "hundreds" of patents to produce Power8.
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99% BAD HARDWARE WEEK: 16x faster Peak I/O after 10 years. We expect Power 9 in 2018. In 10nm node. Peak I/O at 100 GB/s. Sustained Memory Bandwidth at 500 GB/s.  16 cores. Possible optical 1 Tbps interconnection between processor interposers. Please note that new chip design itself costs as whole new one advanced chip fab !
IBM was showing off a part, and has been designing the Power9 processor for quite a while already, according to Starke. That is why we are confident in Power 9 no later than in 2018.