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Message: <blockquote data-quote="SENCE" data-source="post: 20957932" data-attributes="member: 557120">Mate, in this code, since it does not have any third party dependency (like IO requests) speed is depend on the number of instructions.So in the first program as you mentioned, number of instructions are higher than the second one and it takes more time than the second one. you can check this using a high frequency stopwatch (You can find some code <a href="https://www.google.lk/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=c%2B%2B+high+resolution+timer+windows" target="_blank">here</a>) But in today's computers, this time is infinitesimal(even in your P4 machine).If your code is slow, the major reason could be the IO requests; Database calls, file read write, service calls etc. Additionally it could be due to if you process large number of records in run-time (like 10K+). You can use a stopwatch in .net as well n see where the bottleneck is.</blockquote>

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