Ever wanted to compare different JIT engines? Now that is possible!

It is well known that runtime profiling is handy when we want to measure the runtime cost of different functions, identify the performance bottlenecks of the code, or measure the progress of the project over a period. However, most profiling mechanisms are tied to a specific project, which makes the comparison of different solutions impossible. I have developed a simple library, which can easily be added to any existing JIT engine. The attached tgz contains patches for wide-spread JIT engines (namely WebKit-JavaScriptCore and Tamarin-NanoJIT).

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