Only a tiny minority of professional programmers have a clear picture in their minds of how fast modern computers are. 99.9% have next to no idea. How does this affect software that is even conceived? (Ignoring, for a moment, what is actually built, which we know is very slow).
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How big of a problem is it that we have this crucial craft, on which we are knowingly staking the future, and almost none of its practitioners understand the fundamental tool they are using?
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(For the record, I don’t place myself in the top tier re understanding of speed or anything else. I am somewhere in the middle of that gradient between the 99.9% and the People Who Really Know.)
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We see all this bad rhetoric claiming “system X is only 2x slower than native code therefore it’s fast”... but one must ignore rationalizations and look at the actual output, which is several orders of magnitude inefficient. Few people are willing to put 2 and 2 together here.
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Replying to @Jonathan_Blow
what change would you make though, assuming you're running a data intensive site, where speed is a concern? I don't disagree, just curious. I've been thinking a lot about this recently.
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The whole web needs to be removed and replaced. There’s no small change.
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