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@东岳 李老师，我有ryzen1700，请问怎么测试性能？
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兄弟们有人用过这个没有，AMD的EPYC 7601。最近才发现A厂官方竟然拿7601做CFD测试，最多的网格数量3个亿，真有钱。这个处理器有这么暴殄天物么？下图：
另外有网友用OpenFOAM做的测试，也是AMD EPYC系列的，型号略低
A quite compelling comeback for AMD in terms of CFD performance. Their new Epyc lineup delivers exactly what Intel has only increased incrementally over the past few years: memory bandwidth.
总结：牙膏厂几年一直在慢悠悠的增加内存带宽，AMD一下子就干翻！Although the AMD system in this benchmark ran slower DDR4-2133 instead of the maximum supported 2666MT/s, it beats the Intel-system even in terms of per-core performance. Using all its cores, it pulls ahead of Intel by up to 63%.
总结：提升63%！Which brings us to the costs: Epyc 7301 CPUs cost ~920€ - if they are available which is still a problem. For that kind of money all Intel has to offer are Xeon Silver with 12 cores and support for DDR4-2400. So when you are on a limited budget for a CFD workstation or need cost-efficient cluster nodes, you should consider AMD.
They are back!
AMD要回来了！！！
有人买过这个处理器没？
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AMD 感觉就像联通，其实在某些方面有很大的优势，常常被低估。
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@星星星星晴
我现在桌子底下就有个CFD用的机器，每次伸手下去都感觉热乎乎https://www.amd.com/zh-hans/campaigns/amd-and-dell
这面是dell的工作站
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@星星星星晴 感觉这个就是为黑而黑了，看测评AMD家的功耗控制很好的
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http://www.cfd-china.com/topic/1909/openfoam并行测试/7
各位大佬有没有空看下这个贴测试一下各大CPU的速度
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@东岳 过两天我测试一下6142
26/30