Iozone: Performance Test of File I/O Version $Revision: 3.283 $ Compiled for 32 bit mode. Build: freebsd Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins Al Slater, Scott Rhine, Mike Wisner, Ken Goss Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR, Randy Dunlap, Mark Montague, Dan Million, Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Erik Habbinga, Kris Strecker, Walter Wong. Run began: Fri Jun 20 11:37:18 2008 Auto Mode SYNC Mode. File size set to 524288 KB Command line used: iozone -a -o -s 512m -b /tmp/iozone.ufs Output is in Kbytes/sec Time Resolution = 0.000003 seconds. Processor cache size set to 1024 Kbytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. random random bkwd record stride KB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread 524288 4 5560 5664 736641 736233 161552 698 646569 6193 152828 175671 150377 629502 628008 524288 8 9509 9922 854589 854760 252475 1389 802037 12315 229229 181522 155876 720155 720374 524288 16 15120 16234 980883 980914 438871 2784 936501 24172 485496 159437 177188 890201 889667 524288 32 21214 23363 1060951 1060744 706582 5463 1031707 48378 988899 156449 150823 966199 965260 524288 64 50262 79879 1106928 1106648 1049234 11667 1098470 87131 989829 182697 169841 906650 981630 524288 128 54111 92630 1121949 1121754 1098168 15348 1116806 128030 1135709 177845 169230 1000900 999810 524288 256 66743 115258 1060927 1061004 1052037 21413 1187393 152023 1100441 123085 172706 860877 860766 524288 512 70446 124369 868077 868931 840814 25581 840847 163242 758524 140618 173425 472080 472634 524288 1024 70130 127265 684367 684123 677527 41956 678610 151843 667076 174881 169022 397320 397669 524288 2048 68766 130209 681624 681765 676126 62054 674790 39135 668946 177589 152951 398135 398797 524288 4096 71400 120685 682438 682505 685350 87574 713340 59177 718136 172469 170667 415874 417423 524288 8192 66218 133699 729307 729243 710223 101467 713834 81057 726003 172298 167204 415099 408848 524288 16384 76550 125629 730783 730585 700752 112949 671935 108541 696897 152951 173663 396855 402842 iozone test complete. Excel output is below: "Writer report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 5560 9509 15120 21214 50262 54111 66743 70446 70130 68766 71400 66218 76550 "Re-writer report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 5664 9922 16234 23363 79879 92630 115258 124369 127265 130209 120685 133699 125629 "Reader report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 736641 854589 980883 1060951 1106928 1121949 1060927 868077 684367 681624 682438 729307 730783 "Re-Reader report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 736233 854760 980914 1060744 1106648 1121754 1061004 868931 684123 681765 682505 729243 730585 "Random read report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 161552 252475 438871 706582 1049234 1098168 1052037 840814 677527 676126 685350 710223 700752 "Random write report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 698 1389 2784 5463 11667 15348 21413 25581 41956 62054 87574 101467 112949 "Backward read report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 646569 802037 936501 1031707 1098470 1116806 1187393 840847 678610 674790 713340 713834 671935 "Record rewrite report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 6193 12315 24172 48378 87131 128030 152023 163242 151843 39135 59177 81057 108541 "Stride read report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 152828 229229 485496 988899 989829 1135709 1100441 758524 667076 668946 718136 726003 696897 "Fwrite report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 175671 181522 159437 156449 182697 177845 123085 140618 174881 177589 172469 172298 152951 "Re-Fwrite report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 150377 155876 177188 150823 169841 169230 172706 173425 169022 152951 170667 167204 173663 "Fread report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 629502 720155 890201 966199 906650 1000900 860877 472080 397320 398135 415874 415099 396855 "Re-Fread report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "524288" 628008 720374 889667 965260 981630 999810 860766 472634 397669 398797 417423 408848 402842