On 10/5/11 10:02 AM, Aaron Toponce wrote: > Does GnuPG support symmetric multiprocessing? If so, my Google-fu is > failing me, as is reading the available documentation. Reason I ask is > because encrypting 1TB files is fairly CPU intensive, and it appears that > it's only using 1 of my 4 cores.
Short version: wouldn't do you any good even if it did. Long version: CTAK encryption isn't parallelizable: encrypting block N successfully depends on successfully encrypting block N-1, which in turn depends on successfully encrypting block N-3, and so on. There's no way to partition it into independent subproblems. A clever hack lets you parallelize decryption, but even then it's probably not worth it -- the amount of time spent doing disk I/O will be multiple orders of magnitude larger than the amount of time decrypting.
signature.asc
Description: OpenPGP digital signature
_______________________________________________ Gnupg-users mailing list Gnupg-users@gnupg.org http://lists.gnupg.org/mailman/listinfo/gnupg-users
