多核处理器体系结构及并行程序设计

1http:/ http:/2http:/ http:/3http:/ http:/4http:/ http:/5http:/ http:/6http:/ http:/7http:/ http:/8http:/ http:/9http:/ http:/10http:/ http:/11Single core,With HT(Eg.Pentium 4 Processor With HT)Integer and Floating Point ThreadsL2 Cache and ControlL2 Cache and Control L1 D-Cache and D-TLBSchedulersIntegerTrace CacheRename/Allocuop QueuesBTBuCodeROM33DecoderBTB&I-TLBFloatingPoint2 threads can be executed at the same time(per processor)if theyre not competing for the same execution resourcehttp:/ http:/12Single core,With HT(Eg.Pentium 4 Processor with HT)Two Floating Point ThreadsL2 Cache and ControlL2 Cache and Control L1 D-Cache and D-TLBSchedulersIntegerTrace CacheRename/Allocuop QueuesBTBuCodeROM33DecoderBTB&I-TLBFloatingPoint2 threads CANNOT be executed at the same time(per processor)if theyre competing for the same execution resource(eg.2 floating point threads in a P4P architecture)http:/ http:/13Dual core,Without HT(Eg.Pentium D Processor)Two Floating Point ThreadsL2 Cache and ControlL2 Cache and Control L1 D-Cache and D-TLBSchedulersIntegerTrace CacheRename/Allocuop QueuesBTBuCodeROM33DecoderBTB&I-TLBFloatingPointL2 Cache and ControlL2 Cache and Control L1 D-Cache and D-TLBSchedulersIntegerTrace CacheRename/Allocuop QueuesBTBuCodeROM33DecoderBTB&I-TLBFloatingPointEven 2 floating pointthreads can be executedat the same time now(per processor)as there are multiple floating point execution unitshttp:/ http:/14Dual core,With HT(Eg.Dual Core Pentium Processor Extreme Edition)Supports HTMultiple Integer and Floating Point ThreadsL2 Cache and ControlL2 Cache and Control L1 D-Cache and D-TLBSchedulersIntegerTrace CacheRename/Allocuop QueuesBTBuCodeROM33DecoderBTB&I-TLBFloatingPointL2 Cache and ControlL2 Cache and Control L1 D-Cache and D-TLBSchedulersIntegerTrace CacheRename/Allocuop QueuesBTBuCodeROM33DecoderBTB&I-TLBFloatingPointWith dual core&HT together,maximum#of threads that can be executed at a time is 4 per processorhttp:/ http:/15Dual Core with Hyper-Threading4 threads/socket Dual Core2 threads/socket http:/ http:/16 http:/ http:/17http:/ http:/18http:/ http:/19http:/ http:/20http:/ http:/21http:/ http:/22http:/ http:/23http:/ http:/24http:/ http:/25http:/ http:/26http:/ http:/27http:/ http:/28http:/ http:/29http:/ http:/30http:/ http:/31http:/ http:/32http:/ http:/33http:/ http:/34http:/ http:/35http:/ http:/36http:/ http:/37Eclipse PlatformPlatform RuntimeTool(plug-in)Tool(plug-in)Tool(plug-in)WorkbenchWorkspaceHelpTeam