AMD Rome Second Generation EPYC Review: 2x 64-core Benchmarked
by Johan De Gelas on August 7, 2019 7:00 PM ESTLegacy: 7-zip
While standalone compression and decompression are not real world benchmarks (at least as far as servers go), servers have to perform these tasks as part of a larger role (e.g. database compression, website optimization). With that said, we suggest you take these benchmarks with a large grain of salt, as they are not really important in grand scheme of things. We still use 7zip 9.2, so you can compare with much older results.
Compression on modern cores relies almost solely on cache, memory latency, and TLB efficiency. This is definitely not the ideal situation for AMD's EPYC CPU, but the EPYC 7742 scales very well, offering 77% higher performance than Naples. That is better than expected scaling.
Decompression relies on less common integer instructions (shift, multiply). AMD's Zen2 core handles these instructions even better because doubling the cores results in no less than 127% (!) better performance.
Even though this benchmark is not that important, it is nevertheless impressive how AMD engineering made this graph look. Never have we seen AMD dominating benchmarks by such a wide margin.
Before people accuse us of choosing a benchmark that shows AMD in the best light, consider this benchmark as one of our synthetic tests more than anything else, designed to showcase core execution port potential. It is not really indicative of any real-world performance, but acts as a synthetic for those that have requested this data.
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krumme - Thursday, August 8, 2019 - link
Because he is feeded by another hand.Enjoy the objectivity by Johan as its is very rare these days. It's not easy for AT to post this stuff. So kudos to them.
hoohoo - Thursday, August 8, 2019 - link
Nice review, but tbh I think you should run the AMD system as such, not limit it's RAM to what the Intel system maxes out at. I would not buy a system and configure it to limits of the competition: I would configure it to it's actual linits.yankeeDDL - Thursday, August 8, 2019 - link
Wow. "Blasted" is the only word that comes to mind. Good job AMD.eastcoast_pete - Thursday, August 8, 2019 - link
Thanks Johan and Ian! Impressive results, glad to see that AMD is once again making Intel sweat, all of which can only be good for us.Question: A bit out of left field, but why does AMD put the 7 nm dies in these close pairs, as opposed to leaving a little more space between them? Wouldn't thermals be better if each chip gets a little more "reserved" lid space? Just curious. Thanks!
sharath.naik - Thursday, August 8, 2019 - link
Now since we finally are entering the era where a single server(Yes backup is addition) is enough for most of smaller organizations. There is one thing that is needed, OS limits/zones which can limit the cpus and memory built in, instead of using VMs. This will save a lot on resources wasted on booting up an entire OS for individual applications. Linux has the ability for targeting specific cpus but not sure windows has it. But there is a need for standardized way to limit resources by process and by user.mdriftmeyer - Thursday, August 8, 2019 - link
Agreed.quorm - Thursday, August 8, 2019 - link
Is it possible you haven't heard of docker?abufrejoval - Sunday, August 11, 2019 - link
or OpenVZ/Virtuozzo or quite simply cgroups. Can even nest them, including with VMs.DillholeMcRib - Thursday, August 8, 2019 - link
destruction … Intel sat on their proverbial hands too long. It's over.crotach - Friday, August 9, 2019 - link
Bye Intel!!