AMD Lists Threadripper 3000 CPU with 32 Cores, Possible New Socket

Re:AMD Lists Threadripper 3000 CPU with 32 Cores, Possible N... by ahbyb on Thursday October 17, 2019 @08:50AM (#21281463)

That's the trick: they can't make single cores faster so they just throw more cores at the problem and call it a day. Obviously that doesn't work but who cares? It looks good in benchmarks.

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Re:AMD Lists Threadripper 3000 CPU with 32 Cores, Possible N... by plopz on Thursday October 17, 2019 @09:09AM (#21281605)

Thats why they should sell cpus that sacrifice security for speed. I'll take a cpu thats vulnerable to spectre/meltdown if its 20% faster.

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Re:AMD Lists Threadripper 3000 CPU with 32 Cores, Possible N... by waste_monk on Thursday October 17, 2019 @09:49PM (#21287966)

At least on Linux it's pretty easy to disable the mitigations: https://linuxreviews.org/HOWTO_make_Linux_run_blazing_fast_(...

I'm not sure how easy it is to disable on Windows though.

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Re:AMD Lists Threadripper 3000 CPU with 32 Cores, Possible N... by vbezhenar on Thursday October 17, 2019 @09:29AM (#21281799)

Are you sure that they sacrifice speed for security? It's not obvious to me. Hardware fixes are supposed to be fast. That 20% slowdown comes from software implementation (and you can actually disable it).

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Re:AMD Lists Threadripper 3000 CPU with 32 Cores, Possible N... by plopz on Thursday October 17, 2019 @09:36AM (#21281884)

I wasn't aware that the fixes for spectre and meltdown had no impact on performance.

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Re:AMD Lists Threadripper 3000 CPU with 32 Cores, Possible N... by paines on Thursday October 17, 2019 @09:14AM (#21281651)

You mean slower

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Re:AMD Lists Threadripper 3000 CPU with 32 Cores, Possible N... by hgoel on Thursday October 17, 2019 @10:13AM (#21282246)

It isn't the hardware developers' job to make you design good infrastructure.

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