Athlon x 2 4450B 2.4GHz
cpu1 at mainbus0 apid 1: AMD 686-class, 2400MHz, id 0x40f33 ML115

modena@makoto 18:51:49/100414(..gcc/work)% openssl speed rsa 
Doing 512 bit private rsa's for 10s: 30399 512 bit private RSA's in 8.83s
Doing 512 bit public rsa's for 10s: 206065 512 bit public RSA's in 6.87s
Doing 1024 bit private rsa's for 10s: 6261 1024 bit private RSA's in 6.29s
Doing 1024 bit public rsa's for 10s: 102444 1024 bit public RSA's in 6.53s
Doing 2048 bit private rsa's for 10s: 1219 2048 bit private RSA's in 6.66s
Doing 2048 bit public rsa's for 10s: 33601 2048 bit public RSA's in 5.64s
Doing 4096 bit private rsa's for 10s: 163 4096 bit private RSA's in 5.56s
Doing 4096 bit public rsa's for 10s: 11735 4096 bit public RSA's in 6.09s
OpenSSL 0.9.9-dev 09 May 2008
built on: NetBSD 5.0_STABLE
options:bn(64,64) md2(int) rc4(1x,char) des(idx,cisc,4,int) aes(partial) blowfish(idx) 
compiler: gcc version 4.1.3 20080704 (prerelease) (NetBSD nb2 20081120)
                  sign    verify    sign/s verify/s
rsa  512 bits 0.000290s 0.000033s   3442.7  29994.9
rsa 1024 bits 0.001005s 0.000064s    995.4  15688.2
rsa 2048 bits 0.005463s 0.000168s    183.0   5957.6
rsa 4096 bits 0.034110s 0.000519s     29.3   1926.9
modena@makoto 21:28:14/100414(..gcc/work)% 

こういう測り方もあるのか。以前にも教えてもらった気もするけれど。

Core i7な、MacBook pro で