多核处理器体系结构及并行程序设计

1、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-tlbsched

2、ulersintegertrace 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 thr

3、eadsl2 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 t

4、hreads 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

5、 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

6、 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

7、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 cor

8、e2 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:/35