an attempt to use gf(16)
an implement of GF(16), keep 3 tables, mix nibble and byte operations.
add assert() to check
update doc for another method
add new method experiment and analysis
add future works
update table
update reference
add baseline implementation analysis
Update README.md
back on GF(2^8)~
fix bugs from matrix multipication
Merge branch 'quickfix' of ssh://github.com/yszheda/GPU-RSCode into quickfix