Just another collection of low level optimization codes.
#References:
https://software.intel.com/en-us/articles/intel-software-autotuning-tool
http://www.hackersdelight.org/
http://www.cs.fsu.edu/~engelen/courses/HPC/
https://software.intel.com/en-us/articles/step-by-step-optimizing-with-intel-c-compiler
https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
http://www.strchr.com/strcmp_and_strlen_using_sse_4.2
http://bmagic.sourceforge.net/bmsse2opt.html
https://software.intel.com/en-us/blogs/2012/09/26/gcc-x86-performance-hints
https://developer.nvidia.com/cuda-training
http://developer.amd.com/partners/university-programs/opencl-university-course-listings/
http://www.agner.org/optimize/optimizing_assembly.pdf
http://ctuning.org/wiki/index.php/CTools:MilepostGCC