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RMS Matthew Stallman's magic library

Name: Anonymous 2011-01-06 12:33

Why is glibc's fwrite_unlocked faster than the write syscall?

Name: Anonymous 2011-01-06 14:32

>>9
I think our point here was that if you want to understand how something works, you read the implementation (be it source or compiled code). Reading the specification is just meant to show you how an interface is supposed to work, not how it actually works or what its implementation details are. When someone asks a question like "Why is x faster than y?", you usually look at implementation details to find the answer, not at the specification.

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