The 40% increase is due to IPS increase. As to what AMD did is unknown. My bet? AMD tied a fetch unit to the GPU so that it doesn't have to go down the FP/INT pipeline before getting to the GPU.
I hate to burst most people's bubbles Zen won't do anything for AMD. It will probably keep the company around for one more CPU but I'd imagine AMD will move away from the x86 R&D after.
EDIT
Actually Zen may be interesting.
https://en.wikipedia.org/wiki/Zen_(microarchitecture)
I don't like quoting Wikipedia, but this line had me thinking. For some odd reason I missed this in the AMD slides that were leaked. This is actually a critical change in their architecture.
Guys, I think we may see Thuban 2.0.
I hate to burst most people's bubbles Zen won't do anything for AMD. It will probably keep the company around for one more CPU but I'd imagine AMD will move away from the x86 R&D after.
EDIT
Actually Zen may be interesting.
Reports from AMD indicate that Zen will abandon modular CMT (Clustered Multithread) for a SMT (Simultaneous Multithreading) microarchitecture,[1][7] the model Intel uses. Adapting their chips from the less-popular CMT to SMT[2] is expected to offer much higher number threading efficiency, but also possibly increase the die size of Zen module.[6]
https://en.wikipedia.org/wiki/Zen_(microarchitecture)
I don't like quoting Wikipedia, but this line had me thinking. For some odd reason I missed this in the AMD slides that were leaked. This is actually a critical change in their architecture.
Guys, I think we may see Thuban 2.0.
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