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"Static Linking Considered Harmful" Considered Harmful - Vimarsana News

"Static Linking Considered Harmful" Considered Harmful

The maintainer of glibc, Ulrich Drepper, wrote an article called "Static Linking Considered Harmful". This is why his post is wrong.

Beating Up on Qsort - Vimarsana News

Beating Up on Qsort

2, I’m also interested in they why for the underlying performace of the sort method: it takes more than 100 ns per element, which means 100s of CPU clock cycles and usually even more instructions than that (on a superscalar processor)! As a sanity check, a quick benchmark ( perf record ./bench && perf report) shows that more than 90% of the time spent in this approach is in the sorting routine, qsort - so we are right to focus on this step, rather than say the de-duplication step or the initial random number generation. This naturally, this raises the question: how fast is qsort when it co...