![]() ![]() In case you are wondering what the big deal is, in an “ un-balanced configuration“, the memory is broken up into multiple memory regions creating an environment leading to unpredictable performance. Use 1 DPC per integrated memory controller or duplicate the memory channel use across both memory controllers.This means use the same ranks, size, and speed. Use identical DIMM types in your server.For single CPU, simply use half of the recommended designs. To assist you in reviewing what configurations are best for being balanced, download Intel_Xeon_SP_Memory_Recommendations_v4 (PDF). ![]() The best ways to be balanced are to use identical DIMMs in all location (size, speed, etc) and make sure all memory channels are populated equally. In a balanced configuration, the memory is interleaved equally across all DIMMs they uniformly have high bandwidth and they have a centralized memory region. There are some general guidelines on how to optimize your memory performance: While the maximum memory speeds available range from 2133, 2400 or 2666 (depending upon the CPU selected), the scope of this post is to review the memory population recommendations. In today’s post, I’ll show you the best configurations to consider to help drive high memory performance.Įach Intel Xeon SP CPU has 6 memory channels, each with up to 2 DIMMs per channel (DPC) supporting a maximum of 12 DIMMs per CPU, or 24 DIMMs per server. The new architecture of the Intel Xeon SP (aka Skylake) CPU includes more memory channels, which is creating some uncertainty on best practices. ![]()
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