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by BeeOnRope
2751 days ago
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> Also yes, AMD's memory subsystem has much lower latency No, AMD's latency is generally worse than Intel's on Zen chips. Here's the first example I could Google [1], but the same trends repeat themselves across many benchmarks. My overall impression is that the typical gap is 5-10 ns. [1] https://www.anandtech.com/show/11544/intel-skylake-ep-vs-amd... |
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As I clarified below, in my other comment, we were unable to get new Zen systems. So I’m not knowledgeable about their behavior.
However, I need to make my own benchmarks to see how this increased latency affects performance of different work loads and scenarios.