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A comment on ECC matters. Parent comment

Re:ECC matters by bayindirh on Sunday January 03, 2021 @12:46PM (#25623360)
If my only interest would be ECC, I might do that but, I develop scientific software for research purposes. I need every bit of performance from my system.

In my case loading means maxing out all cores and extended period of time can be anything from five minutes to hours.

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Re:ECC matters by mlyle on Sunday January 03, 2021 @12:57PM (#25623467)
The problem is-- you can't compare the TDP nor even the system cooling design guidelines between AMD and Intel.

Both are optimistic lies, but-- if you look at the documents it looks like currently AMD needs more cooling, but actually dissipates less power in most cases and definitely has higher performance/watt.

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Re:ECC matters by bayindirh on Sunday January 03, 2021 @01:09PM (#25623579)
> The problem is-- you can't compare the TDP nor even the system cooling design guidelines between AMD and Intel.

Doesn't matter for me since I'm not interested in comparing them.

> Both are optimistic lies, but-- if you look at the documents it looks like currently AMD needs more cooling, but actually dissipates less power in most cases and definitely has higher performance/watt.

I'm aware of the situation, and I always inflate the numbers 10-15% to increase headroom in my systems. The code I'm running is not a most case code. A FPU heavy, "I will abuse all your cores and memory bandwidth" type, heavily optimized scientific software. I can sometimes hear that my system is swearing at me for repeatedly running for tests.

I don't like to add this paragraph but, I'm one of the administrators of one of the biggest HPC clusters in my country. I know how a system can surpass its TDP or how can CPU manufacturers skew this TDP numbers to fit in envelopes. We make these servers blow flames from their exhausts.

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