Ian Interviews #11: Mike Clark, AMD Zen Chief Architect

Ian Interviews #11: Mike Clark, AMD Zen Chief Architect

We've heard from the Uncle of Zen, now it's time to hear from the father of Zen himself. Mike Clark is a Corporate Fellow at AMD, and has had his hands in almost every CPU from AMD since K5. He finished university in 1993 to work at AMD, and has been there ever since. Time to ask him about the Zen story, CPU design, and the future of AMD.

Written version:
https://www.anandtech.com/show/17031/anandtech-interviews-mike-clark-amds-chief-architect-of-zen?utm_source=youtube

00:00 Intro
00:40 Q1: Work History
05:22 Q2: When did Zen really start?
08:13 Q3: Ability to Pivot
09:17 Q4: Zen Funding during AMD Struggles
11:16 Q5: 8am Meetings with Keller
14:40 Q6: Father of Zen?
16:27 Q7: The Naming of Zen and Ryzen
19:06 Q8: About Skybridge
20:59 Q9: Sign-off and Low Hanging Fruit
24:46 Q10: More Money, More Roadmaps?
26:06 Q11: Zen 5, or Zen 8?
27:00 Q12: Zen A0 Silicon Getting Chilly
29:17 Q13: How Do You Find That Out?
31:08 Q14: Core Decode Width Limits in x86
32:52 Q15: Predicting workloads 4+ years out
34:28 Q16: What's the right amount of cache?
36:55 Q17: Virtual L3 considerations?
38:08 Q18: Stacked L3 Cache
39:44 Q19: Machine Learning in EDA Tools
40:38 Q20: How big can a CCX be?
43:27 Q21: Will Xilinx acquisition change Ryzen?
44:17 Q22: Limits of modern IPC on x86
48:16 Q23: Scalable Cores vs Hybrid Designs
49:54 Q24: What should users look forward to?

Mike Tuuk: https://www.linkedin.com/in/michael-tuuk-9846419
Tim Wilkens: https://www.linkedin.com/in/tim-wilkens-91169a
Jay Fleischman: https://www.linkedin.com/in/jay-fleischman-8421bb6
Leslie Barnes: https://www.linkedin.com/in/leslie-barnes-a2557b3
Will Walker: https://www.linkedin.com/in/will-walker-2322022/

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AMD Ryzen 9 5950X (16C/32T): https://geni.us/5950X
AMD Ryzen 9 5900X (12C/24T): https://geni.us/5900X
AMD Ryzen 7 5800X (8C/16T): https://geni.us/5800X
AMD Ryzen 5 5600X (6C/12T): https://geni.us/5600X

AMD Ryzen 9 3950X (16C/32T): https://geni.us/Bench2020-3950x
AMD Ryzen 7 3700X (8C/16T): https://geni.us/Bench2020-3700x
AMD Ryzen 5 3600 (6C/12T): https://geni.us/d08ThJ4

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