10. 多层次的能耗和热效率管理 Group Power & Thermal Mgmt (Rack, Row, Room, Pod, etc.) Server Server Server BMS (Building Mgt System) 服务器节点 服务器组 数据中心 Node Manager Node Manager Node Manager Datacenter-level Management
11.
12. 能耗设置上限的价值 – 一个 Google 的案例 Source: “Power Provisioning for a Warehouse-sized Computer” by Luiz André Barroso, etc. Proceedings of the ACM International Symposium on Computer Architecture, San Diego, CA, June 2007
19. Node Manager—ACPI (OSPM)/DBS Coexistence P1 P2 P3 Node Manager OSPM Node Manager sets top of range of available P States, OSPM picks from available range Node Manager OSPM 1.6 1.87 2.13 2.4 2.67 Freq. (GHz) 62 75 89 103 120 TDP (W) 20.6 P4 22.2 P3 22.2 P2 27 P1 - P0 Clovertown (DP 4 core) (Projection) AC Power Savings (Watts) P State Processor