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PCDVD數位科技討論區
(https://www.pcdvd.com.tw/index.php)
- 效能極限
(https://www.pcdvd.com.tw/forumdisplay.php?f=18)
- - 用Prime95來測試電腦的效能
(https://www.pcdvd.com.tw/showthread.php?t=285326)
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Intel(R) Pentium(R) 4 CPU 1.60GHz
CPU speed: 2208.00 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE, SSE2 L1 cache size: 8 KB L2 cache size: 512 KB L1 cache line size: 64 bytes L2 cache line size: 128 bytes TLBS: 64 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 16.590 ms. Best time for 448K FFT length: 19.628 ms. Best time for 512K FFT length: 22.355 ms. Best time for 640K FFT length: 26.689 ms. Best time for 768K FFT length: 32.544 ms. Best time for 896K FFT length: 38.354 ms. Best time for 1024K FFT length: 43.205 ms. Best time for 1280K FFT length: 56.681 ms. Best time for 1536K FFT length: 69.826 ms. Best time for 1792K FFT length: 82.552 ms. Best time for 2048K FFT length: 94.037 ms. 我覺得是跟浮點運算有關 P4的FPU比AMD強多了 |
引用:
Prime95不是在算梅尼爾質數嗎??那應該都是整數吧!!不知對不對??:confused: |
引用:
FFT快速傅力葉轉換會用到FPU 計算梅尼爾質數是整數沒錯 |
Intel(R) Pentium(R) 4 CPU 3.00GHz
CPU speed: 3006.81 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE, SSE2 L1 cache size: 8 KB L2 cache size: 512 KB L1 cache line size: 64 bytes L2 cache line size: 128 bytes TLBS: 64 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 11.882 ms. Best time for 448K FFT length: 14.126 ms. Best time for 512K FFT length: 16.103 ms. Best time for 640K FFT length: 19.209 ms. Best time for 768K FFT length: 23.359 ms. Best time for 896K FFT length: 27.737 ms. Best time for 1024K FFT length: 31.141 ms. Best time for 1280K FFT length: 40.902 ms. Best time for 1536K FFT length: 50.151 ms. Best time for 1792K FFT length: 59.644 ms. Best time for 2048K FFT length: 67.539 ms. 我的另一台電腦: 青雲875P pro P4 3.0G 勤茂512*2 |
Intel(R) Pentium(R) 4 CPU 2.40GHz
CPU speed: 2405.61 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE, SSE2 L1 cache size: 8 KB L2 cache size: 512 KB L1 cache line size: 64 bytes L2 cache line size: 128 bytes TLBS: 64 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 21.736 ms. Best time for 448K FFT length: 25.607 ms. Best time for 512K FFT length: 29.019 ms. Best time for 640K FFT length: 34.848 ms. Best time for 768K FFT length: 42.440 ms. Best time for 896K FFT length: 50.581 ms. Best time for 1024K FFT length: 56.483 ms. Best time for 1280K FFT length: 74.861 ms. Best time for 1536K FFT length: 91.790 ms. Best time for 1792K FFT length: 110.517 ms. Best time for 2048K FFT length: 123.670 ms |
Intel(R) Pentium(R) 4 CPU 3.06GHz
CPU speed: 3073.65 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE, SSE2 L1 cache size: 8 KB L2 cache size: 512 KB L1 cache line size: 64 bytes L2 cache line size: 128 bytes TLBS: 64 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 11.992 ms. Best time for 448K FFT length: 14.214 ms. Best time for 512K FFT length: 16.210 ms. Best time for 640K FFT length: 19.406 ms. Best time for 768K FFT length: 23.577 ms. Best time for 896K FFT length: 27.944 ms. Best time for 1024K FFT length: 31.364 ms. Best time for 1280K FFT length: 41.626 ms. Best time for 1536K FFT length: 50.713 ms. Best time for 1792K FFT length: 60.371 ms. Best time for 2048K FFT length: 68.058 ms. |
Intel(R) Celeron(TM) CPU 1300MHz
CPU speed: 1623.42 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE L1 cache size: 16 KB L2 cache size: 256 KB L1 cache line size: 32 bytes L2 cache line size: 32 bytes TLBS: 64 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 73.035 ms. Best time for 448K FFT length: 89.593 ms. Best time for 512K FFT length: 101.644 ms. Best time for 640K FFT length: 130.783 ms. Best time for 768K FFT length: 160.140 ms. Best time for 896K FFT length: 186.956 ms. Best time for 1024K FFT length: 222.043 ms. Best time for 1280K FFT length: 285.513 ms. Best time for 1536K FFT length: 345.892 ms. Best time for 1792K FFT length: 415.838 ms. Best time for 2048K FFT length: 481.159 ms. 只有一個字....慘...:jolin: :cry: :nonono: |
下列測試環境都一樣,只有CPU不一樣
主機板:未上市 ; 記憶體:Micron 512M/400 x4=2G Intel(R) Pentium(R) 4 CPU 3.00GHz CPU speed: 2992.48 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE, SSE2 L1 cache size: 8 KB L2 cache size: 512 KB L1 cache line size: 64 bytes L2 cache line size: 128 bytes TLBS: 64 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 12.000 ms. Best time for 448K FFT length: 14.271 ms. Best time for 512K FFT length: 16.259 ms. Best time for 640K FFT length: 19.385 ms. Best time for 768K FFT length: 23.580 ms. Best time for 896K FFT length: 27.942 ms. Best time for 1024K FFT length: 31.377 ms. Best time for 1280K FFT length: 41.370 ms. Best time for 1536K FFT length: 50.602 ms. Best time for 1792K FFT length: 60.077 ms. Best time for 2048K FFT length: 68.047 ms. Genuine Intel(R) CPU 3.20GHz CPU speed: 3191.99 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE, SSE2 L1 cache size: unknown L2 cache size: 1024 KB L1 cache line size: unknown L2 cache line size: 128 bytes TLBS: 64 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 12.806 ms. Best time for 448K FFT length: 15.641 ms. Best time for 512K FFT length: 17.570 ms. Best time for 640K FFT length: 20.868 ms. Best time for 768K FFT length: 24.962 ms. Best time for 896K FFT length: 30.263 ms. Best time for 1024K FFT length: 33.596 ms. Best time for 1280K FFT length: 44.916 ms. Best time for 1536K FFT length: 53.558 ms. Best time for 1792K FFT length: 64.204 ms. Best time for 2048K FFT length: 71.583 ms. Intel(R) Pentium(R) 4 CPU 3.20GHz CPU speed: 3191.97 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE, SSE2 L1 cache size: 8 KB L2 cache size: 512 KB L1 cache line size: 64 bytes L2 cache line size: 128 bytes TLBS: 64 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 11.157 ms. Best time for 448K FFT length: 13.261 ms. Best time for 512K FFT length: 15.093 ms. Best time for 640K FFT length: 18.090 ms. Best time for 768K FFT length: 21.998 ms. Best time for 896K FFT length: 26.073 ms. Best time for 1024K FFT length: 29.254 ms. Best time for 1280K FFT length: 38.525 ms. Best time for 1536K FFT length: 47.181 ms. Best time for 1792K FFT length: 56.065 ms. Best time for 2048K FFT length: 63.459 ms. 上列第2項測試是用Precott 3.2G,看來Prime95不認識他 連L1都是Unknow,測出來的數據也比3.0G/800,3.2G/800差 |
AMD Athlon(tm) 64 Processor 3400+
CPU speed: 2200.26 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE, SSE2 L1 cache size: 64 KB L2 cache size: 1024 KB L1 cache line size: 64 bytes L2 cache line size: 64 bytes L1 TLBS: 32 L2 TLBS: 512 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 21.109 ms. Best time for 448K FFT length: 25.420 ms. Best time for 512K FFT length: 28.479 ms. Best time for 640K FFT length: 35.843 ms. Best time for 768K FFT length: 43.959 ms. Best time for 896K FFT length: 53.235 ms. Best time for 1024K FFT length: 59.647 ms. Best time for 1280K FFT length: 82.557 ms. Best time for 1536K FFT length: 98.498 ms. Best time for 1792K FFT length: 119.474 ms. Best time for 2048K FFT length: 133.026 ms. 是不是出了蛇麼問題@!@ |
Intel(R) Pentium(R) 4 CPU 1.70GHz
CPU speed: 2061.45 MHz CPU features: RDTSC, CMOV, PREFETCH, MMX, SSE, SSE2 L1 cache size: 8 KB L2 cache size: 256 KB L1 cache line size: 64 bytes L2 cache line size: 128 bytes TLBS: 64 Prime95 version 23.7, RdtscTiming=1 Best time for 384K FFT length: 19.328 ms. Best time for 448K FFT length: 23.129 ms. Best time for 512K FFT length: 26.764 ms. Best time for 640K FFT length: 31.608 ms. Best time for 768K FFT length: 38.814 ms. Best time for 896K FFT length: 47.405 ms. Best time for 1024K FFT length: 52.084 ms. Best time for 1280K FFT length: 68.798 ms. Best time for 1536K FFT length: 85.919 ms. Best time for 1792K FFT length: 102.593 ms. Best time for 2048K FFT length: 116.576 ms. |
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