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Instructions are fetched from the [[L2 cache]] at the rate of 32B/cycle. Zen features an asymmetric [[level 1 cache]] with a 64 [[KiB]] [[instruction cache]], double the size of the L1 data cache. Depending on the branch prediction decision instructions may be fetched from the instruction cache or from the [[µOPs]] cache in which eliminates the need for performing the costly instruction decoding. | Instructions are fetched from the [[L2 cache]] at the rate of 32B/cycle. Zen features an asymmetric [[level 1 cache]] with a 64 [[KiB]] [[instruction cache]], double the size of the L1 data cache. Depending on the branch prediction decision instructions may be fetched from the instruction cache or from the [[µOPs]] cache in which eliminates the need for performing the costly instruction decoding. | ||
[[File:amd zen hc28 decode.png|left|300px]] | [[File:amd zen hc28 decode.png|left|300px]] |
Facts about "Zen - Microarchitectures - AMD"
codename | Zen + |
core count | 4 +, 6 +, 8 +, 16 +, 24 +, 32 + and 12 + |
designer | AMD + |
first launched | March 2, 2017 + |
full page name | amd/microarchitectures/zen + |
instance of | microarchitecture + |
instruction set architecture | x86-64 + |
manufacturer | GlobalFoundries + |
microarchitecture type | CPU + |
name | Zen + |
pipeline stages | 19 + |
process | 14 nm (0.014 μm, 1.4e-5 mm) + |