[sean@localhost ~]$ openssl speed -elapsed -evp rc4
You have chosen to measure elapsed time instead of user CPU time.
Doing rc4 for 3s on 16 size blocks: 33808547 rc4's in 3.00s
Doing rc4 for 3s on 64 size blocks: 12374796 rc4's in 3.00s
Doing rc4 for 3s on 256 size blocks: 4479346 rc4's in 3.00s
Doing rc4 for 3s on 1024 size blocks: 1185273 rc4's in 3.00s
Doing rc4 for 3s on 8192 size blocks: 154369 rc4's in 3.00s
OpenSSL 1.0.1e-fips 11 Feb 2013
built on: Tue Apr 8 00:32:22 UTC 2014
options:bn(64,64) md2(int) rc4(16x,int) des(idx,cisc,16,int) aes(partial) idea(int) blowfish(idx)