Difference between revisions of "CME"
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|name=Core Management Engine | |name=Core Management Engine | ||
|abbr=CME | |abbr=CME | ||
− | |desc=A [[PPE]] instance dedicated to power management functions, running at ¼ of the frequency of the L3 cache (1/8 of the core speed). | + | |desc=[[File:P9_ppe_instances.png|200px|thumb|right|CMEs on [[POWER9]]]] A [[PPE]] instance dedicated to power management functions, running at ¼ of the frequency of the L3 cache (1/8 of the core speed). One CME exists per [[SMT8]] slice (one shared instance per pair of [[SMT4]] cores).}} |
==References== | ==References== | ||
+ | * [https://github.com/open-power/hcode/tree/master/import/chips/p9/procedures/ppe_closed/cme CME firmware source code] | ||
+ | |||
[[Category:Hardware]] | [[Category:Hardware]] |