Computational Efficiency of GnuPG ciphers and hashes

[Robert J. Hansen]

Kevin Hilton wrote:
> Its often been mentioned on this mailing list, that 3DES is
> notoriously slow.  On the flipside, what cipher is considered the
> fastest -- or the most computationally efficient (if this term even
> applies)?  Are there similar relative results among the GnuPG hashes?

AES is the clear winner, with Twofish a close second.