4 Apr
2014
4 Apr
'14
4:47 a.m.
"BG" == Bill Gosper <billgosper@gmail.com> writes:
BG> Does this, in any sense, beat Knuth's? --rwg By avoiding branches it could be coded to use vector instructions (such as sse, avx, et cetera) to reverse multiple 64-bit blobs at a time. I expect that a vector version also would work well for efficiently reversing longer power-of-two bitstrings. -JimC -- James Cloos <cloos@jhcloos.com> OpenPGP: 1024D/ED7DAEA6