Re: [math-fun] Any cool hacks for Gaussian elimination over GF(2) ?

On Sun, 2 Jul 2017, Henry Baker wrote:

pick up word slices -- e.g., give me the 13th bit each of 32 words arranged as a 32-bit word.

If you have an instruction that does that, you can use it directly to transpose bit matrices -- no need for any sort of shearing voodoo. -- Tom Duff. Ideation, implementation, situation.