4-way SMT is as unrealistic as 6 ALU's in Zen3. Stop the obsession about a number of units on paper when you ignoring the more important factor of what they can do and why, and how. Just registered to tell you this. There is no way near peak utilization of the current 4 ALU's in real world usage...
The front-end is definitely the bottleneck in Zen. That's why AMD is beefing it up in Zen2. Mostly to feed it's already wide 6 pipe integer cluster. I think they will keep the 4INT+2AGU design. Upgrading them to more symmetrical ones or/and lower latency on some INT ops. That's why it's not...
First I would like to point out that 15% IPC is very possible for AMD to extract. Zen is having ALOT of low hanging fruit. Compared to Zen, AMD will focus on extract higher integer execution capability and I think we can see changes or enhancements like this if we look just at the execution unit...
Zen die and IHS
Regarding this persian "test" Zen has over 100ns RAM with the non new agesa AMD rumor-wise fixed at those last days accoring to some reps at ASUS/others. I think it can have a huge impact in those gametests.
So Canard PC just spoke about that the IMC in Zen is slow. I don't know if that's the entire truth as it shows pretty damn good bandwidth, but still high latency. I am having a hard time to believe AMD would fail bad on latency because the importance of naples and server/HPC/interconnect...
All "X" are the XFR one's! Zen is a masterpiece of engineering and now you can tell from the ISSCC... I would say that IPC is from 40% and up to much higher numbers depending on workload. IPC AMD and IPC Intel will vary as they differ much in their architectures.
Enigma from SweC here. Have been following this thread for a while :) We all hope Zen can perform, and it really looks like a strong design, but in practice I hope it can deliver. Those benches of aots with 3.6/4.0 "F4" looks very low performing to me and I don't know if this is a fake or...
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