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Here are the results for my machine (no overclocking). The results are not impressive that's why I'm planning to switch to an Intel Core 2 Duo next year.
Intel(R) Pentium(R) D CPU 3.40GHz CPU speed: 3399.87 MHz CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2 L1 cache size: 16 KB L2 cache size: 2048 KB L1 cache line size: 64 bytes L2 cache line size: 64 bytes TLBS: 64 Prime95 32-bit version 24.14, RdtscTiming=1 Best time for 512K FFT length: 13.500 ms. Best time for 640K FFT length: 17.186 ms. Best time for 768K FFT length: 20.921 ms. Best time for 896K FFT length: 25.462 ms. Best time for 1024K FFT length: 29.276 ms. Best time for 1280K FFT length: 36.013 ms. Best time for 1536K FFT length: 43.570 ms. Best time for 1792K FFT length: 52.451 ms. Best time for 2048K FFT length: 58.088 ms. Best time for 2560K FFT length: 77.431 ms. Best time for 3072K FFT length: 93.461 ms. Best time for 3584K FFT length: 112.150 ms. Best time for 4096K FFT length: 126.115 ms. Best time for 58 bit trial factors: 8.165 ms. Best time for 59 bit trial factors: 8.213 ms. Best time for 60 bit trial factors: 8.100 ms. Best time for 61 bit trial factors: 8.169 ms. Best time for 62 bit trial factors: 11.155 ms. Best time for 63 bit trial factors: 11.135 ms. Best time for 64 bit trial factors: 13.047 ms. Best time for 65 bit trial factors: 13.030 ms. Best time for 66 bit trial factors: 13.081 ms. Best time for 67 bit trial factors: 12.946 ms. |
Benchmark not on mersenne.org
I noticed the benchmark I sent to George is not on the benchmark page. (Pentium D 3.2 GHz, 2x2048 MB cache.) Is there a minimum number of benchmarks needed for them to be posted, or is there just a backlog of benchmarks?
Here it is for efficiency: Intel(R) Pentium(R) D CPU 3.20GHz CPU speed: 3199.81 MHz CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2 L1 cache size: 16 KB L2 cache size: 2048 KB L1 cache line size: 64 bytes L2 cache line size: 64 bytes TLBS: 64 Prime95 32-bit version 24.14, RdtscTiming=1 Best time for 512K FFT length: 14.280 ms. Best time for 640K FFT length: 18.188 ms. Best time for 768K FFT length: 22.181 ms. Best time for 896K FFT length: 26.926 ms. Best time for 1024K FFT length: 31.017 ms. Best time for 1280K FFT length: 38.033 ms. Best time for 1536K FFT length: 46.102 ms. Best time for 1792K FFT length: 55.249 ms. Best time for 2048K FFT length: 61.473 ms. Best time for 2560K FFT length: 81.787 ms. Best time for 3072K FFT length: 98.537 ms. Best time for 3584K FFT length: 118.084 ms. Best time for 4096K FFT length: 131.676 ms. Best time for 58 bit trial factors: 8.600 ms. Best time for 59 bit trial factors: 8.663 ms. Best time for 60 bit trial factors: 8.601 ms. Best time for 61 bit trial factors: 8.636 ms. Best time for 62 bit trial factors: 11.819 ms. Best time for 63 bit trial factors: 11.842 ms. Best time for 64 bit trial factors: 13.877 ms. Best time for 65 bit trial factors: 13.769 ms. Best time for 66 bit trial factors: 13.790 ms. Best time for 67 bit trial factors: 13.754 ms. |
CPU: C2D E6700
MOBO: Asus P5W DH RAM: Corsair XMS2 2Gb DDR2 800 @ 4-4-4-8 PSU: Antec TruePower 550W Video: Gigabyte 7600GS 256Mb HD: Two Western Digital 320Gb Raid0 Case: Thermaltake Armour CPU cooler: Zalman 9700 Intel(R) Core(TM)2 CPU 6700 @ 2.66GHz CPU speed: 3204.51 MHz CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2 L1 cache size: 32 KB L2 cache size: unknown L1 cache line size: 64 bytes L2 cache line size: unknown Prime95 32-bit version 24.14, RdtscTiming=1 Best time for 4K FFT length: 0.040 ms. Best time for 5K FFT length: 0.060 ms. Best time for 6K FFT length: 0.071 ms. Best time for 7K FFT length: 0.086 ms. Best time for 8K FFT length: 0.089 ms. Best time for 10K FFT length: 0.125 ms. Best time for 12K FFT length: 0.151 ms. Best time for 14K FFT length: 0.183 ms. Best time for 16K FFT length: 0.192 ms. Best time for 20K FFT length: 0.261 ms. Best time for 24K FFT length: 0.318 ms. Best time for 28K FFT length: 0.394 ms. Best time for 32K FFT length: 0.410 ms. Best time for 40K FFT length: 0.539 ms. Best time for 48K FFT length: 0.655 ms. Best time for 56K FFT length: 0.800 ms. Best time for 64K FFT length: 0.855 ms. Best time for 80K FFT length: 1.207 ms. Best time for 96K FFT length: 1.466 ms. Best time for 112K FFT length: 1.775 ms. Best time for 128K FFT length: 1.874 ms. Best time for 160K FFT length: 2.305 ms. Best time for 192K FFT length: 2.834 ms. Best time for 224K FFT length: 3.367 ms. Best time for 256K FFT length: 3.739 ms. Best time for 320K FFT length: 4.787 ms. Best time for 384K FFT length: 5.900 ms. Best time for 448K FFT length: 7.132 ms. Best time for 512K FFT length: 8.026 ms. Best time for 640K FFT length: 10.927 ms. Best time for 768K FFT length: 13.493 ms. Best time for 896K FFT length: 16.157 ms. Best time for 1024K FFT length: 17.933 ms. Best time for 1280K FFT length: 22.937 ms. Best time for 1536K FFT length: 28.027 ms. Best time for 1792K FFT length: 33.329 ms. Best time for 2048K FFT length: 37.054 ms. Best time for 2560K FFT length: 48.881 ms. Best time for 3072K FFT length: 59.570 ms. Best time for 3584K FFT length: 72.067 ms. Best time for 4096K FFT length: 80.827 ms. Best time for 5120K FFT length: 111.376 ms. Best time for 6144K FFT length: 134.722 ms. Best time for 7168K FFT length: 163.357 ms. Best time for 8192K FFT length: 179.296 ms. Best time for 10240K FFT length: 236.296 ms. Best time for 12288K FFT length: 285.523 ms. Best time for 14336K FFT length: 344.964 ms. Best time for 16384K FFT length: 380.176 ms. Best time for 20480K FFT length: 511.702 ms. Best time for 24576K FFT length: 619.985 ms. Best time for 28672K FFT length: 737.618 ms. Best time for 32768K FFT length: 808.099 ms. Best time for 58 bit trial factors: 3.567 ms. Best time for 59 bit trial factors: 3.483 ms. Best time for 60 bit trial factors: 3.461 ms. Best time for 61 bit trial factors: 3.489 ms. Best time for 62 bit trial factors: 5.569 ms. Best time for 63 bit trial factors: 5.570 ms. Best time for 64 bit trial factors: 5.337 ms. Best time for 65 bit trial factors: 5.296 ms. Best time for 66 bit trial factors: 5.299 ms. Best time for 67 bit trial factors: 5.288 ms. |
CPU: C2D E6400
MOBO: Asus P5B RAM: Corsair XMS2 1GB DDR2 800 @ 4-4-4-8 PSU: Thermaltake TR2 430W Video: MSI GeForce 6200TC 128Mb HD: Western Digital 40Gb SATA Case: Caseless CPU COOLER: Zalman 9700 Used to run Prime95 exclusively Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz CPU speed: 2767.91 MHz CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2 L1 cache size: 32 KB L2 cache size: 2048 KB L1 cache line size: 64 bytes L2 cache line size: 64 bytes Prime95 32-bit version 24.14, RdtscTiming=1 Best time for 4K FFT length: 0.047 ms. Best time for 5K FFT length: 0.069 ms. Best time for 6K FFT length: 0.082 ms. Best time for 7K FFT length: 0.100 ms. Best time for 8K FFT length: 0.103 ms. Best time for 10K FFT length: 0.144 ms. Best time for 12K FFT length: 0.176 ms. Best time for 14K FFT length: 0.213 ms. Best time for 16K FFT length: 0.223 ms. Best time for 20K FFT length: 0.303 ms. Best time for 24K FFT length: 0.367 ms. Best time for 28K FFT length: 0.455 ms. Best time for 32K FFT length: 0.474 ms. Best time for 40K FFT length: 0.624 ms. Best time for 48K FFT length: 0.757 ms. Best time for 56K FFT length: 0.925 ms. Best time for 64K FFT length: 0.988 ms. Best time for 80K FFT length: 1.395 ms. Best time for 96K FFT length: 1.696 ms. Best time for 112K FFT length: 2.055 ms. Best time for 128K FFT length: 2.169 ms. Best time for 160K FFT length: 2.660 ms. Best time for 192K FFT length: 3.297 ms. Best time for 224K FFT length: 3.958 ms. Best time for 256K FFT length: 4.460 ms. Best time for 320K FFT length: 5.824 ms. Best time for 384K FFT length: 7.151 ms. Best time for 448K FFT length: 8.519 ms. Best time for 512K FFT length: 9.433 ms. Best time for 640K FFT length: 12.619 ms. Best time for 768K FFT length: 15.487 ms. Best time for 896K FFT length: 18.344 ms. Best time for 1024K FFT length: 21.482 ms. Best time for 1280K FFT length: 25.962 ms. Best time for 1536K FFT length: 31.676 ms. Best time for 1792K FFT length: 37.658 ms. Best time for 2048K FFT length: 41.877 ms. Best time for 2560K FFT length: 55.258 ms. Best time for 3072K FFT length: 67.397 ms. Best time for 3584K FFT length: 80.402 ms. Best time for 4096K FFT length: 89.895 ms. Best time for 5120K FFT length: 115.666 ms. Best time for 6144K FFT length: 139.674 ms. Best time for 7168K FFT length: 169.854 ms. Best time for 8192K FFT length: 186.919 ms. Best time for 10240K FFT length: 247.274 ms. Best time for 12288K FFT length: 298.476 ms. Best time for 14336K FFT length: 362.188 ms. Best time for 16384K FFT length: 399.156 ms. Best time for 20480K FFT length: 552.640 ms. Best time for 24576K FFT length: 677.268 ms. Best time for 28672K FFT length: 813.740 ms. Best time for 32768K FFT length: 896.315 ms. Best time for 58 bit trial factors: 4.081 ms. Best time for 59 bit trial factors: 4.074 ms. Best time for 60 bit trial factors: 4.049 ms. Best time for 61 bit trial factors: 4.031 ms. Best time for 62 bit trial factors: 6.440 ms. Best time for 63 bit trial factors: 6.444 ms. Best time for 64 bit trial factors: 6.174 ms. Best time for 65 bit trial factors: 6.130 ms. Best time for 66 bit trial factors: 6.133 ms. Best time for 67 bit trial factors: 6.107 ms. |
Updated benchmarks after further 'ocing
CPU: C2D E6400
MOBO: Asus P5B RAM: Corsair XMS2 1GB DDR2 800 @ 4-4-4-8 PSU: Thermaltake TR2 430W Video: MSI GeForce 6200TC 128Mb HD: Western Digital 40Gb SATA Case: Caseless CPU COOLER: Zalman 9700 Vcore: 1.3375v Vdimm: 1.9v FSB Term V: Auto PCIe: 100 PCI: locked at 33.33Mhz Used to run Prime95 exclusively Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz CPU speed: 3142.35 MHz CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2 L1 cache size: 32 KB L2 cache size: 2048 KB L1 cache line size: 64 bytes L2 cache line size: 64 bytes Prime95 32-bit version 24.14, RdtscTiming=1 Best time for 4K FFT length: 0.041 ms. Best time for 5K FFT length: 0.061 ms. Best time for 6K FFT length: 0.072 ms. Best time for 7K FFT length: 0.088 ms. Best time for 8K FFT length: 0.091 ms. Best time for 10K FFT length: 0.127 ms. Best time for 12K FFT length: 0.155 ms. Best time for 14K FFT length: 0.188 ms. Best time for 16K FFT length: 0.196 ms. Best time for 20K FFT length: 0.267 ms. Best time for 24K FFT length: 0.323 ms. Best time for 28K FFT length: 0.401 ms. Best time for 32K FFT length: 0.417 ms. Best time for 40K FFT length: 0.549 ms. Best time for 48K FFT length: 0.667 ms. Best time for 56K FFT length: 0.815 ms. Best time for 64K FFT length: 0.872 ms. Best time for 80K FFT length: 1.228 ms. Best time for 96K FFT length: 1.495 ms. Best time for 112K FFT length: 1.808 ms. Best time for 128K FFT length: 1.910 ms. Best time for 160K FFT length: 2.343 ms. Best time for 192K FFT length: 2.902 ms. Best time for 224K FFT length: 3.493 ms. Best time for 256K FFT length: 3.915 ms. Best time for 320K FFT length: 5.137 ms. Best time for 384K FFT length: 6.295 ms. Best time for 448K FFT length: 7.512 ms. Best time for 512K FFT length: 8.308 ms. Best time for 640K FFT length: 11.116 ms. Best time for 768K FFT length: 13.637 ms. Best time for 896K FFT length: 16.157 ms. Best time for 1024K FFT length: 18.904 ms. Best time for 1280K FFT length: 22.867 ms. Best time for 1536K FFT length: 27.870 ms. Best time for 1792K FFT length: 33.149 ms. Best time for 2048K FFT length: 36.866 ms. Best time for 2560K FFT length: 48.650 ms. Best time for 3072K FFT length: 59.342 ms. Best time for 3584K FFT length: 70.720 ms. Best time for 4096K FFT length: 79.093 ms. Best time for 5120K FFT length: 101.850 ms. Best time for 6144K FFT length: 123.126 ms. Best time for 7168K FFT length: 149.578 ms. Best time for 8192K FFT length: 164.274 ms. Best time for 10240K FFT length: 218.012 ms. Best time for 12288K FFT length: 262.872 ms. Best time for 14336K FFT length: 319.075 ms. Best time for 16384K FFT length: 351.283 ms. Best time for 20480K FFT length: 487.030 ms. Best time for 24576K FFT length: 595.417 ms. Best time for 28672K FFT length: 715.499 ms. Best time for 32768K FFT length: 787.277 ms. Best time for 58 bit trial factors: 3.584 ms. Best time for 59 bit trial factors: 3.589 ms. Best time for 60 bit trial factors: 3.567 ms. Best time for 61 bit trial factors: 3.555 ms. Best time for 62 bit trial factors: 5.674 ms. Best time for 63 bit trial factors: 5.678 ms. Best time for 64 bit trial factors: 5.439 ms. Best time for 65 bit trial factors: 5.400 ms. Best time for 66 bit trial factors: 5.402 ms. Best time for 67 bit trial factors: 5.380 ms. |
got core 2?
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This is an Intel E6600 over clocked to 3.3 GHz and memory at 732 Hz
and with vCore at stock V of 1.275 :smile: [Wed Feb 07 09:57:09 2007] Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz CPU speed: 3297.74 MHz CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2 L1 cache size: 32 KB L2 cache size: unknown L1 cache line size: 64 bytes L2 cache line size: unknown Prime95 32-bit version 24.14, RdtscTiming=1 Best time for 512K FFT length: 7.739 ms. Best time for 640K FFT length: 10.509 ms. Best time for 768K FFT length: 12.951 ms. Best time for 896K FFT length: 15.483 ms. Best time for 1024K FFT length: 17.151 ms. Best time for 1280K FFT length: 21.866 ms. Best time for 1536K FFT length: 26.694 ms. Best time for 1792K FFT length: 31.700 ms. Best time for 2048K FFT length: 35.256 ms. Best time for 2560K FFT length: 46.542 ms. Best time for 3072K FFT length: 56.682 ms. Best time for 3584K FFT length: 68.516 ms. Best time for 4096K FFT length: 76.865 ms. Best time for 58 bit trial factors: 3.388 ms. Best time for 59 bit trial factors: 3.414 ms. Best time for 60 bit trial factors: 3.400 ms. Best time for 61 bit trial factors: 3.389 ms. Best time for 62 bit trial factors: 5.406 ms. Best time for 63 bit trial factors: 5.414 ms. Best time for 64 bit trial factors: 5.184 ms. Best time for 65 bit trial factors: 5.146 ms. Best time for 66 bit trial factors: 5.149 ms. Best time for 67 bit trial factors: 5.127 ms. |
Results for Core2 T7200 with 4 MB L2 Cache
Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz CPU speed: 1994.94 MHz CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2 L1 cache size: 32 KB L2 cache size: unknown L1 cache line size: 64 bytes L2 cache line size: unknown Prime95 32-bit version 24.14, RdtscTiming=1 Best time for 512K FFT length: 12.875 ms. Best time for 640K FFT length: 17.600 ms. Best time for 768K FFT length: 21.749 ms. Best time for 896K FFT length: 26.048 ms. Best time for 1024K FFT length: 28.925 ms. Best time for 1280K FFT length: 37.023 ms. Best time for 1536K FFT length: 45.169 ms. Best time for 1792K FFT length: 53.816 ms. Best time for 2048K FFT length: 60.566 ms. Best time for 2560K FFT length: 79.413 ms. Best time for 3072K FFT length: 98.036 ms. Best time for 3584K FFT length: 119.248 ms. Best time for 4096K FFT length: 133.301 ms. Best time for 58 bit trial factors: 5.649 ms. Best time for 59 bit trial factors: 5.651 ms. Best time for 60 bit trial factors: 5.636 ms. Best time for 61 bit trial factors: 5.603 ms. Best time for 62 bit trial factors: 8.950 ms. Best time for 63 bit trial factors: 8.962 ms. Best time for 64 bit trial factors: 8.570 ms. Best time for 65 bit trial factors: 8.536 ms. Best time for 66 bit trial factors: 8.513 ms. Best time for 67 bit trial factors: 8.479 ms. |
My Core 2 Duo Laptop (second CPU idle):
Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz CPU speed: 2006.46 MHz CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2 L1 cache size: 32 KB L2 cache size: unknown L1 cache line size: 64 bytes L2 cache line size: unknown Prime95 32-bit version 24.14, RdtscTiming=1 Best time for 512K FFT length: 12.736 ms. Best time for 640K FFT length: 17.281 ms. Best time for 768K FFT length: 21.267 ms. Best time for 896K FFT length: 25.433 ms. Best time for 1024K FFT length: 28.199 ms. Best time for 1280K FFT length: 35.964 ms. Best time for 1536K FFT length: 43.917 ms. Best time for 1792K FFT length: 52.176 ms. Best time for 2048K FFT length: 57.943 ms. Best time for 2560K FFT length: 76.407 ms. Best time for 3072K FFT length: 93.230 ms. Best time for 3584K FFT length: 112.738 ms. Best time for 4096K FFT length: 126.041 ms. Best time for 58 bit trial factors: 5.571 ms. Best time for 59 bit trial factors: 5.602 ms. Best time for 60 bit trial factors: 5.605 ms. Best time for 61 bit trial factors: 5.573 ms. Best time for 62 bit trial factors: 8.889 ms. Best time for 63 bit trial factors: 8.896 ms. Best time for 64 bit trial factors: 8.521 ms. Best time for 65 bit trial factors: 8.461 ms. Best time for 66 bit trial factors: 8.464 ms. Best time for 67 bit trial factors: 8.430 ms. for LL, this is [i]faster[/i] than my Pentium 4 @ 3,4 GHz! (see Post #201) |
Benchmarks and dual cores
With the current dual and quad cores it does not make a lot of difference when benchmarking if the other cores are idle or benchmarking as well.
The memory bottleneck becomes apparent when doing "real" work. With my QuadCore running 4 benchmarks together I had best iteration times equivalent to those of a dual core. But when running real work the times went up by 25% (all cores busy with 1536K FFT exponents.) This is on a P965 based board. With a NVIDIA 650 SLI board the memory bottleneck is even more obvious : the iteration times go up by more than 120% running four primality tests instead of one !!! In all reviews the memory benchmarks are done using one core only, this is why AnandTech and others come to the conclusion that 400 MHz memory is optimal for Core 2 Duos and even Core 2 Quads. In reality that kind of memory speed is not sufficient. The Pentium D9xx did not overload the memory, but they reached the limit. This will become worse when the FFT sizes will grow further. More realistic benchmarks can be obtained by loading all other cores with Primality tests. Another thing would be to have the program give AVERAGE iteration times instead of Best iteration times. The thing to remember is : don't expect the current QuadCores to perform like two dualcores. And most important [u]don't go for a NVIDIA chipset with Core 2 Duo or quads.[/u] Jacob |
...or just stick to one Prime95 test + run 3 instances of LLR @ 128k FFT length - the performance hit per core is 1-3%= negligible (tested on nV 650i board) :rolleyes:
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