WebRiddles. com Over 1500 Brain Teasers and Riddles For You to Enjoy. Wiley Publishing. GB. Easily measure elapsed time. In answer to OPs three specific questions. What I dont understand is why the values in the before and after are the sameThe first question and sample code shows that time has a resolution of 1 second, so the answer has to be that the two functions execute in less than 1 second. But occasionally it will apparently illogically inform 1 second if the two timer marks straddle a one second boundary. The next example uses gettimeofday which fills this structstruct timeval. How do I read a result of ime taken 0 2. Does that mean 2. My second answer is the time taken is 0 seconds and 2. The third question asks What about time taken 4 4. My third answer is the time taken is 4 seconds and 4. RazzLives/Dash%20Pics/FABULOUS3-1_zpspftybudv.jpg' alt='Hidden Object Games Pack 1166' title='Hidden Object Games Pack 1166' />Accomplished Electrical Engineer and senior manager with extensive Silicon Valley experience in research and development, strategic planning, and electronic systems. Allen Bradley Micrologix 1500 Software Download more. Id name publisher region languages group imagesize serial titleid imgcrc filename releasename trimmedsize firmware type card 2527 Etrian Odyssey V Beyond the Myth. OP has altered the tasks performed by the two functions which he previously timed.