[1/2] It seems like one side effect of standard server stacks being so slow is that when you go to rent a dedicated server, you get something with massively more horsepower than its uplink could really use.
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Like running blogs or doing ecommerce sites or whatnot (eg., not "video processing" or something). But the reality is that thanks to things like WordPress and such, 217 cycles per byte is probably a very reasonable number to expect because of the massive inefficiency.
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To put it in perspective, it would be odd for your main loop on one of these machines to not average something like 2 32-wide instructions per cycle. That means every cycle, you can do something (add, xor, etc.) 64 bytes. So 217 cycles per byte is like ~14k operations!
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