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#34 |
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Oct 2008
n00bville
2E016 Posts |
Theoretically yes but if you use standard memory components and you read the configuration from the RAM-information-rom you will get a fair estimate.
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#35 | |
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Undefined
"The unspeakable one"
Jun 2006
My evil lair
6,793 Posts |
Quote:
All I can see above is mostly just the CPU specs and no RAM timing info. How many channels, at what clock speeds, with what delays, over what bus, in SMP or NUMA arrangement etc.? I think that the RAM configuration will likely make a significant proportion of the figures above, and without all those gory details the comparisons won't really be very valid. Only in the very loosest sense can we use those figures as a basis for comparative value assessment, but any individual CPU will be constrained by how you attach memory to it. |
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#36 | |
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Oct 2008
n00bville
25·23 Posts |
Quote:
This thread should be just a rule of thumb to get a feeling for the performance for Prime95 applications. |
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#37 | |
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Mar 2010
Brick, NJ
1048 Posts |
Weird.. After 4 threads the estimated time starts get higher !?! I ran it a few times to make sure it wasn't a fluke but pretty consistent.
Intel Xeon E5440 @2.53GHz, 8 cores Cpu Speed: 2533.46 MHz, 8 cores Cpu Features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2, SSE4 L1 Cache: 32Kb L2 Cache: 256Kb L3 Cache: 8MB Quote:
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#38 | |
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Mar 2010
Brick, NJ
10001002 Posts |
Xeon 3220 @2.40GHz, 4 cores
Quote:
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#39 | |
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Oct 2008
n00bville
25·23 Posts |
Quote:
Last fiddled with by joblack on 2010-04-02 at 04:44 |
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#40 |
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Jul 2006
Calgary
52·17 Posts |
AMD Phenom(tm) II X4 940 Processor @ 3ghz
2x1gb DDR2 1066mhz mprime 25.11 b2 Linux 2.6.28 [Worker #1 17:48] Setting affinity to run worker on logical CPU #0 [Worker #1 17:48] Using FFT length 20M [Worker #1 17:48] p: 332220523. Time: 557.075 ms. [Worker #1 17:48] p: 332220523. Time: 557.364 ms. [Worker #1 17:48] p: 332220523. Time: 557.681 ms. [Worker #1 17:48] p: 332220523. Time: 557.365 ms. [Worker #1 17:48] p: 332220523. Time: 557.430 ms. [Worker #1 17:48] p: 332220523. Time: 557.154 ms. [Worker #1 17:48] p: 332220523. Time: 557.001 ms. [Worker #1 17:48] p: 332220523. Time: 557.290 ms. [Worker #1 17:48] p: 332220523. Time: 557.066 ms. [Worker #1 17:49] p: 332220523. Time: 557.365 ms. [Worker #1 17:49] Iterations: 10. Total time: 5572.791 ms. [Worker #1 17:49] Estimated time to complete this exponent: 2142 days, 19 hours, 39 minutes. [Worker #1 17:49] Setting affinity to run helper thread 1 on logical CPU #1 [Worker #1 17:49] Using FFT length 20M, 2 threads [Worker #1 17:49] p: 332220523. Time: 321.830 ms. [Worker #1 17:49] p: 332220523. Time: 321.814 ms. [Worker #1 17:49] p: 332220523. Time: 321.917 ms. [Worker #1 17:49] p: 332220523. Time: 321.687 ms. [Worker #1 17:49] p: 332220523. Time: 321.562 ms. [Worker #1 17:49] p: 332220523. Time: 321.681 ms. [Worker #1 17:49] p: 332220523. Time: 321.705 ms. [Worker #1 17:49] p: 332220523. Time: 321.732 ms. [Worker #1 17:49] p: 332220523. Time: 321.522 ms. [Worker #1 17:49] p: 332220523. Time: 321.691 ms. [Worker #1 17:49] Iterations: 10. Total time: 3217.141 ms. [Worker #1 17:49] Estimated time to complete this exponent: 1237 days, 0 hours, 53 minutes. [Worker #1 17:49] Setting affinity to run helper thread 1 on logical CPU #1 [Worker #1 17:49] Setting affinity to run helper thread 2 on logical CPU #2 [Worker #1 17:49] Using FFT length 20M, 3 threads [Worker #1 17:49] p: 332220523. Time: 227.930 ms. [Worker #1 17:49] p: 332220523. Time: 228.024 ms. [Worker #1 17:49] p: 332220523. Time: 227.843 ms. [Worker #1 17:49] p: 332220523. Time: 227.560 ms. [Worker #1 17:49] p: 332220523. Time: 228.323 ms. [Worker #1 17:49] p: 332220523. Time: 227.899 ms. [Worker #1 17:49] p: 332220523. Time: 227.524 ms. [Worker #1 17:49] p: 332220523. Time: 228.132 ms. [Worker #1 17:49] p: 332220523. Time: 227.946 ms. [Worker #1 17:49] p: 332220523. Time: 228.136 ms. [Worker #1 17:49] Iterations: 10. Total time: 2279.317 ms. [Worker #1 17:49] Estimated time to complete this exponent: 876 days, 10 hours, 19 minutes. [Worker #1 17:49] Setting affinity to run helper thread 1 on logical CPU #1 [Worker #1 17:49] Setting affinity to run helper thread 2 on logical CPU #2 [Worker #1 17:49] Setting affinity to run helper thread 3 on logical CPU #3 [Worker #1 17:49] Using FFT length 20M, 4 threads [Worker #1 17:49] p: 332220523. Time: 194.566 ms. [Worker #1 17:49] p: 332220523. Time: 194.423 ms. [Worker #1 17:49] p: 332220523. Time: 194.646 ms. [Worker #1 17:49] p: 332220523. Time: 194.552 ms. [Worker #1 17:49] p: 332220523. Time: 194.577 ms. [Worker #1 17:49] p: 332220523. Time: 194.461 ms. [Worker #1 17:49] p: 332220523. Time: 194.396 ms. [Worker #1 17:49] p: 332220523. Time: 194.626 ms. [Worker #1 17:49] p: 332220523. Time: 194.641 ms. [Worker #1 17:49] p: 332220523. Time: 194.476 ms. [Worker #1 17:49] Iterations: 10. Total time: 1945.364 ms. [Worker #1 17:49] Estimated time to complete this exponent: 748 days, 0 hours, 29 minutes. [Worker #1 17:49] Worker stopped. Last fiddled with by lfm on 2010-04-03 at 00:00 |
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#41 |
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May 2005
22×11×37 Posts |
Core i5 750 @ 3.6GHz / 4GB DDR3-1600 CL7 / mprime 25.11.8 / Linux x86-64
Code:
[Worker #1 Apr 4 02:10] Worker starting [Worker #1 Apr 4 02:10] Setting affinity to run worker on logical CPU #0 [Worker #1 Apr 4 02:10] Using FFT length 20M [Worker #1 Apr 4 02:10] p: 332220523. Time: 392.714 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 393.021 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 393.135 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 393.044 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 393.105 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 393.099 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 393.159 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 393.037 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 393.093 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 393.161 ms. [Worker #1 Apr 4 02:10] Iterations: 10. Total time: 3.931 sec. [Worker #1 Apr 4 02:10] Estimated time to complete this exponent: 1511 days, 8 hours, 38 minutes. [Worker #1 Apr 4 02:10] Setting affinity to run helper thread 1 on logical CPU #1 [Worker #1 Apr 4 02:10] Using FFT length 20M, 2 threads [Worker #1 Apr 4 02:10] p: 332220523. Time: 199.567 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 199.863 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 199.773 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 199.928 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 200.400 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 200.577 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 199.738 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 199.826 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 199.931 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 199.802 ms. [Worker #1 Apr 4 02:10] Iterations: 10. Total time: 1.999 sec. [Worker #1 Apr 4 02:10] Estimated time to complete this exponent: 768 days, 19 hours, 12 minutes. [Worker #1 Apr 4 02:10] Setting affinity to run helper thread 1 on logical CPU #1 [Worker #1 Apr 4 02:10] Setting affinity to run helper thread 2 on logical CPU #2 [Worker #1 Apr 4 02:10] Using FFT length 20M, 3 threads [Worker #1 Apr 4 02:10] p: 332220523. Time: 135.725 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 138.473 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 138.231 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 138.129 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 138.211 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 138.314 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 138.382 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 138.260 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 139.196 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 138.310 ms. [Worker #1 Apr 4 02:10] Iterations: 10. Total time: 1.381 sec. [Worker #1 Apr 4 02:10] Estimated time to complete this exponent: 531 days, 2 hours, 28 minutes. [Worker #1 Apr 4 02:10] Setting affinity to run helper thread 1 on logical CPU #1 [Worker #1 Apr 4 02:10] Setting affinity to run helper thread 2 on logical CPU #2 [Worker #1 Apr 4 02:10] Setting affinity to run helper thread 3 on logical CPU #3 [Worker #1 Apr 4 02:10] Using FFT length 20M, 4 threads [Worker #1 Apr 4 02:10] p: 332220523. Time: 105.881 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 108.486 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 110.399 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 109.792 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 109.762 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 109.867 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 110.226 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 109.765 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 106.930 ms. [Worker #1 Apr 4 02:10] p: 332220523. Time: 111.866 ms. [Worker #1 Apr 4 02:10] Iterations: 10. Total time: 1.093 sec. [Worker #1 Apr 4 02:10] Estimated time to complete this exponent: 420 days, 6 hours, 20 minutes. [Worker #1 Apr 4 02:10] Worker stopped. |
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#42 |
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Oct 2008
n00bville
25·23 Posts |
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#43 |
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"GIMFS"
Sep 2002
Oeiras, Portugal
62E16 Posts |
i5-750 is not hyperthreaded.
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#44 |
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Mar 2003
Melbourne
20316 Posts |
Any benchmarks on non x86 architecture? CUDA on the nvidia video cards for example?
-- Craig |
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