3 Hilewitz, Yedidya Shi, Zhijie Jerry Lee, and Ruby B. 2004 Comparing Fast Implementations of Bit Permutation Instructions Proceedings of the 38th Annual Asilomar Conference on Signals, Systems, and Computers Pacific Grove, California, USA 1856-1863 Nov. 2004 http://palms.ee.princeton.edu/PALMSopen/hilewitz04comparing_with_cit.pdf