@j00ru I'm trying to measure how long Windows system calls take. Can you recommend the fastest system call I can do?
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Replying to @ErrataRob
@j00ru Right now, passing a null handle to file functions gives me the quickest results (22 nanoseconds on Westmere CPU)1 reply 0 retweets 0 likes -
Replying to @ErrataRob
@ErrataRob Which Windows version are you testing on?1 reply 0 retweets 0 likes -
Replying to @ErrataRob
@ErrataRob OK. btw, what exactly are you measuring - the performance of the system call handlers, or the overhead of the user<->kernel ...1 reply 0 retweets 1 like
Replying to @ErrataRob
@ErrataRob They all consist of just "return" statements with some kernel variables / tested bits as operands.
3:10 AM - 19 Feb 2015
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