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IPC upgrade ,7 processes AMD Zen3 processors released in Septembe

via:快科技     time:2020/4/9 15:04:39     readed:518

Rui lung 4000 series desktop version code Vermeer( dutch delfter painter), using the Zen3 architecture, the process upgrade to 7 nm, or enhanced version 7 nm.However, there is no EUV lithography process, so the cost of EUV process should be considered.

With regard to the Zen3 architecture, the latest revelations suggest that Zen 3 architecture will be improved at some core levels, The goal is to increase the IPC performance of the Zen 3 architecture by another 10~15 per cent over the current Zen 2.

Specifically,In the zen3 architecture, a single CCX is expanded from 4-core to 8-core, with 32MB L3 cache built in,That is to say, in any case, any core can call all 32m L3 cache, and the new zen3 architecture will no longer waste L3 cache. Therefore, in some applications with high requirements for single core performance, this design scheme will greatly enhance the operation efficiency of the processor.

One of the secrets of increasing IPC of zen2 architecture by 18% is to double L3 cache capacity,The Zen 3 architecture is to double the cache capacity that each core can utilize again。 Another point is that the L3 cache design of Zen 3 does not need to add additional transistors, which can also bring additional IPC performance improvement even when the process technology is unchanged.

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