this post was submitted on 01 May 2024
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When you get to write and benchmark your own code you'll see technology has limits and how they impact you.
You can have as many raspberry pis as you want, and accomplish faster computation if you can use the same budget with Xeon on dozens of MB in cache and hundreds of gb in ram with gigabit network cards.
10 years from now these Xeon will be like rpi compared to the best your money can buy.
All of those things have to fit in a building, not a desk. The best super computers look like Google's data centers, but their specific needs dictate several tweaks done by very smart people. Super computers are supposed to solve 1 problem with 1 set of data at a time, not 100 problems with 1000,000 data set/people profiles at a time which are much easier to partition and assign to only 1000th of your data center at a time.