Some average benchmark results for single DES in ECB mode (ecbencode()). System CC Bytes/sec i486DX33, DOS 6.22 bcc -O2 -ms ~ 177000 i486DX33, OS/2 WARP bcc -O2 ~ 270000 i586/90 , DOS 6.22 bcc -O2 -ms ~ 622000 i586/133, DOS 6.22 bcc -O2 -ms ~ 932000 i586/100 , LINUX gcc -O ~1080000 IBM RS6000/220 , AIX 3.2.5 xlc -O ~ 320000 IBM RS6000/320 , AIX 3.2.5 xlc -O2 -qtune=pwr ~ 236000 IBM RS6000/320H, AIX 3.2.5 xlc -O ~ 290000 IBM RS6000/340 , AIX 3.2.5 xlc -O ~ 382000 IBM RS6000/520 , AIX 3.2.5 xlc -O ~ 186000 IBM RS6000/530 , AIX 3.2.5 xlc -O ~ 294000 IBM RS6000/530H, AIX 3.2.5 xlc -O ~ 400000 IBM RS6000/580 , AIX 3.2.0 xlc -O ~ 410000 IBM RS6000/41T , AIX 3.2.5 xlc -O ~ 987000 IBM RS6000/3BT , AIX 4.1.4 xlc -O (Cset++ 3.1.3) ~1290000 HP B9000/856, HPUX 9.04 cc -O ~1525000 HP E9000/720, HPUX 9.01 cc -O ~ 579000 HP A9000/735, HPUX 9.05 cc -O ~1290000 HP E9000/816, HPUX 9.04 cc -O ~ 987000 HP C9000/755, HPUX 9.04 cc -O ~1119000 HP A9000/715-100, HPUX 9.07 cc -O ~1678000 HP C9000/715-100XC, HPUX 9.05 cc -O ~1678000 HP E9000/712-80, HPUX 10.01 cc -O ~1290000 HP B9000/826, HPUX 9.04 cc -O ~1290000 DG AV400 , 1 x mc88000, DGUX 5.4R3.10 gcc -O2 ~ 195000 DG AV550 , 1 x mc88100, DGUX 5.4R3.10 gcc -O2 ~ 630000 DG AV5225, 4 x mc88000, DGUX 5.4R3.10 gcc -O2 ~ 266000 DG AV3000, 2 x i586/100,DGUX 5.4R4.11 gcc -O2 ~1119000 DG AV2000, 1 x i586/133,DGUX 5.4R4.11 gcc -O2 ~1459000 SUN SPARC 10, SunOS 5.5 cc -O (CDS 2.01) ~ 699000 SGI INDIGO, IRIX 5.3 cc -O ~1049000