Intel(R) Pentium(R) 4 CPU 2.40GHz
CPU speed: 2416.88 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: 14.941 ms.
Best time for 448K FFT length: 17.864 ms.
Best time for 512K FFT length: 20.223 ms.
Best time for 640K FFT length: 24.329 ms.
Best time for 768K FFT length: 29.557 ms.
Best time for 896K FFT length: 35.966 ms.
Best time for 1024K FFT length: 40.185 ms.
Best time for 1280K FFT length: 52.706 ms.
Best time for 1536K FFT length: 65.066 ms.
Best time for 1792K FFT length: 77.709 ms.
Best time for 2048K FFT length: 87.769 ms.

新版(23.71)的似乎比較快，或有最佳化？或是其他不同？
一樣的機器，舊版(21.41)的成績如下


Best time for 256K FFT length: 9.970 ms.
Best time for 320K FFT length: 13.336 ms.
Best time for 384K FFT length: 16.206 ms.
Best time for 448K FFT length: 19.483 ms.
Best time for 512K FFT length: 21.745 ms.
Best time for 640K FFT length: 28.714 ms.
Best time for 768K FFT length: 35.469 ms.
Best time for 892K FFT length: 43.420 ms.
Best time for 1024K FFT length: 47.315 ms.
Best time for 1280K FFT length: 67.335 ms.
Best time for 1536K FFT length: 82.565 ms.
Best time for 1792K FFT length: 103.721 ms.

另，樓上的K7 2.1G似乎被矮化了，與P4 2.4G幾乎差了兩倍效能