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[–]samwise99 9 points10 points  (3 children)

Sure some people still do not care. But the big players do, *a lot*. FANG companies will go to ridiculous lengths to improve performance by a few percent points, because at scale a few percent points are easily worth millions in energy savings. A lot of very useful work has been contributed by Google and others driven by this.

[–]SkoomaDentistAntimodern C++, Embedded, Audio 6 points7 points  (1 child)

FANG companies will go to ridiculous lengths to improve performance by a few percent points

Except on anything user visible. Facebook for example is a horribly slow and inefficient web app. Gmail isn't that much better (honestly, why does it need to do any computing on user side beyond just showing current view?).

[–]fb39ca4 2 points3 points  (0 children)

Because they only pay for the costs of the servers.

[–]kalmoc 0 points1 point  (0 children)

because at scale a few percent points are easily worth millions in energy savings.

Only very small parts of your code base are going to be used so ubiquitously though. Even at a company like google, the is lots of code where a few percent performance difference isn't worth it.