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Former amd chip architect roast said that the cancellation of K12 processor project was because amd counseled!

2022-06-23 13:38:00 Open source headlines

Arrangement | Phoebe Coordinating editor | Du min
Produce | CSDN(ID:CSDNnews)

Legendary chip architect Jim Keller He has always been a figure of great interest in the chip industry . In recent days, , He spoke boldly at a meeting , He said that his employer before leaving AMD after , His K12 ARM CPU The project was “ Stupidly cancel ” 了 .

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Legend of chip architecture :Jim Keller

Keller The achievements in chip architecture are unparalleled , He has a distinguished track record in chip architecture design . stay 40 Years of work experience , Time and again, he has created leading products that are considered to be crucial in the chip industry .

He led the development of... At Apple A4 and A5 chip , Help jobs get rid of his dependence on chip manufacturers , Saved Apple billions of dollars . At the same time, he was in AMD As a K7 processor 、K8 The architect of the architecture , help AMD Beat Intel 64 Bit Itanium chips , bring AMD For the first time, it has gained a firm foothold in the field of server chips , And then “ Second Palace ” As a Zen Chip designer . Second leave AMD after ,Keller Went to Tesla , Become the maker of its autonomous driving chip . However, this is still not his final destination ,2018 year , He also joined Intel, the world's largest processor manufacturer , But also in 2020 Annual turnover .

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Keller Make complaints AMD Cancel K12

Keller stay 4 In June, an activity was held to publish a report on ” The future of computing “ Speech . He said , in AMD Developed during his tenure Zen 1 Processor architecture , And participated in Zen 2 and Zen 3 project . It means Zen 3 It may be that during this period Jim Keller The last design of the hand of . and AMD The new team is tossing about including Zen 4 Inside 5 Internal design projects .
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picture source :wccftech Official website

Keller Express , stay AMD During the second visit to the palace , He and his team members noticed Arm and x86 The cache design of the processor is basically the same in the execution unit and other aspects , The only difference between the two is the decoding unit , So they decided to go to the original K12 ARM Power on the new chip , Even though AMD“ Foolishly cancelled the project .”
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picture source :wccftech Official website

Jim Keller According to ,K12 ARM CPU The project was actually before he left AMD After the company , Cancelled by some product managers . Because most product managers are afraid of change , But as an architect ,Jim Keller There is no fear of it , And he remembered in AMD I feel very interesting at work .

If I have the honor to continue to this day , be based on ARMv8-A The processor of , Expected to follow Zen The project comes together 、 And focus on energy-efficient application scenarios —— For example, computing intensive servers 、 The embedded 、 And semi customized market segments .

Unfortunately ,AMD The final choice was based on a variety of Zen Semi customized server chip route of core architecture , For example, it is scheduled to appear next year Zen 4c framework ( It focuses on the computing intensive server market ), Will be in EPYC Bergamo Debut on the platform .

that , Is it Keller Wrong strategic direction judgment , still AMD Fear of change , So I chose a conservative strategy ? Dear reader , What do you think ?

Reference material :https://www.theregister.com/2022/06/20/jim_keller_arm_cpu/

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