Abstract:The power management strategy adopted for the IBM z13i processor chip (referred to as the CP or Central Processor chip) is guided by three basic principles: (a) controlling the peak power consumption by setting a realistic limit on the so-called thermal design power or thermal design point (TDP) driven by customer workloads and maximum-power stress microbenchmarks; (b) reduction of the voltage margin by using a novel dynamic guard-banding technique; and (c) the creation of a rich new set of fine-grained, time-… Show more
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