Comment # 5 on bug 1184069 from Peer Heinlein

linux:~ # cryptsetup benchmark
# Tests are approximate using memory only (no storage IO).
PBKDF2-sha1      1696724 iterations per second for 256-bit key
PBKDF2-sha256    1862479 iterations per second for 256-bit key
PBKDF2-sha512    1546572 iterations per second for 256-bit key
PBKDF2-ripemd160 1139756 iterations per second for 256-bit key
PBKDF2-whirlpool  720175 iterations per second for 256-bit key
#     Algorithm |       Key |      Encryption |      Decryption
        aes-cbc        128b      1109.4 MiB/s      3697.4 MiB/s
    serpent-cbc        128b       104.1 MiB/s       737.6 MiB/s
    twofish-cbc        128b       241.1 MiB/s       399.5 MiB/s
        aes-cbc        256b       965.6 MiB/s      3066.1 MiB/s
    serpent-cbc        256b        96.1 MiB/s       768.5 MiB/s
    twofish-cbc        256b       244.6 MiB/s       381.7 MiB/s
        aes-xts        256b      3592.9 MiB/s      3430.3 MiB/s
    serpent-xts        256b       737.0 MiB/s       632.3 MiB/s
    twofish-xts        256b       401.8 MiB/s       425.1 MiB/s
        aes-xts        512b      2830.5 MiB/s      2314.7 MiB/s
    serpent-xts        512b       670.7 MiB/s       736.8 MiB/s
    twofish-xts        512b       385.9 MiB/s       350.7 MiB/s