Outline MultiThreading Threads API Open MP Open MP

Outline • • • Multi-Threading(多執行緒) Threads API Open. MP的特點 Open. MP vs. Multi-Threading 單機系統模擬 Conclusion 2/1/2010 ICAL 2

模擬測試環境 GPU CPU Device NVIDA Geforce 9600 GSO Device Intel Core 2 Quad Q 9300 Cores 96 Cores 4 Processor Clock 1375 MHz Processor Clock 2. 5 GHz Standard Memory 384 MB FSB speed 1333 MHz Memory Bandwidth 38. 4 GB/sec L 2 Cache 6 MB 11/17/09

測試結果 Red 45. 157 sec. Windows API Threads 27. 453 sec. 24. 625 sec. Green 45. 828 sec. 24. 594 sec. 26. 421 sec. 0. 578 sec. Blue 45. 797 sec. 23. 656 sec. 26. 718 sec. 0. 578 sec. Total (sec. ) 136. 782 sec. 75. 703 sec. 77. 764 sec. 1. 734 sec. Single-CPU 2/1/2010 Open. MP ICAL CUDA 0. 578 sec. 10