* Pass the std:min argument's type, to avoid the compilation error.
* Update parallel_for.h
* Update negative_sampling.cc
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>
* [CPU, Parallel] Rewriting omp pragmas with parallel_for
* [CPU, Parallel] Decrease number of calls to task function
* c[CPU, Parallel] Modify calls to new interface of parallel_for
* [CPU Parallel] implementation of parallel_for with grain size
* Create parallel_for.h
* Update parallel_for.h
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>