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| by lemonlime | July 26, 2009 | ||
| Memory Benchmarks Memory Benchmarks Lavalys Everest Ultimate v5.02 Everest Ultimate is the most useful tool for any and all benchmarkers or overclockers. With the ability to pick up most voltage, temperature, and fan sensors on almost every motherboard available, Everest provides the ability to customize the outputs in a number of forms on your desktop. In addition to this, the memory benchmarking utility provides a useful tool of measuring the changes to your memory sub-system.  As you can see, increasing CPU-NB frequency has the largest impact on memory bandwidth. We saw some significant improvement going from 7-7-7 to 6-6-6 timings as well. It’s pretty clear that with the frequency limits we were faced with, the best memory performance strategy is to keep timings as tight as possible and crank the CPU-NB as high as it will go to maximize efficiencies in the memory subsystem. It should also be noted that the L3 cache in the Phenom II processor operates at the same frequency as the CPU-NB. So not only does this improve main memory access efficiency, but also L3 efficiency.  We see a similar pattern emerge when it comes to memory latency. CPU-NB frequency is key to maximum memory performance on the Phenom II platform. ScienceMark v2.0 Although last updated almost 3 years ago, and despite its rudimentary interface, ScienceMark v2.0 remains a favorite for accurately calculating bandwidth on even the newest systems.  ScienceMark appears to favor the “unlocked” quad configuration, and shows the highest bandwidth. Our guess is that memory “copying” plays a significant role in this benchmark as the quad configuration leads in this regard with Everest as well. None the less, high CPU-NB frequencies once again make the most significant improvements. | ||
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