Hi Steven Thanks by your message. Until now , I had been focused mainly in the algorithms, and I didn't dedicate many time to others things as the test format and the integration with boost::sort.Now, the first things to do are : - Try to detect when the data are ordered, - Revise in deep your library and code , in order to adapt the test and benchmarks to the procedures used in your library About the object used in the benchmarks, we can do something simple. Reburcio is a very small class in the file Benchmarks/GCC/algorithm/reburcio.hpp. Please rewrite and send me, and only need to recompile the benchmarks. *About the parts to include* With the parallel unstable sort, all the algorithms I examined have the same approach, and due this, similar performances. The range of decision is small. The goal is provide algorithms independent of any library or Operating System, fast , robust and easy to use. The idea of to do the same than a company is the origin of many Free SW, think about Oracle and MySQL, Internet Explorer and Firefox. Even the C++ standard, is to do the same than many companies are doing since many years ago, each with its own way. The final users are grateful because simplify our work. TBB is available in Windows, Linux and Os X. With others operating system ( by example Android and all the real time OS), you must recompile all the source code, and I have not clear about the dynamic linking of TBB in these operating systems. Many small machines don't have task scheduler, but have threads. To force to recompile TBB for to use a parallel sort is like force to rent a bus, for to transport only one person. Our code have similar performance, small code, independent of any Operating System, of any other code or library. If you are C++11 compliant you have parallel sort. I think, we must include sort, parallel sort, stable sort and parallel stable sort. Perhaps, too, sample sort, but it's less important Now I am beginning to examine your code for to integrate the new code with the boost sort approach. Yours Francisco