How do you measure the performance of your C++ perf-critical code ?
Are you relying on automatic profilers or do you resort, for particular reasons, to compile time methods ?
If today, profiling is still an issue to you, then I would announce to you the availablity of easy profiler at Code Project along with source code that you may give it a try for your needs.
URL :
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Use the article-forum to raise any issue and I will be glad to help.