Iozone: Performance Test of File I/O Version $Revision: 3.429 $ Compiled for 32 bit mode. Build: linux 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, Gavin Brebner, Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone, Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root, Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer, Vangel Bojaxhi, Ben England, Vikentsi Lapa. Run began: Sat Feb 27 23:01:30 2016 Auto Mode Cross over of record size disabled. Include fsync in write timing Excel chart generation enabled Command line used: iozone -az -i 0 -i 1 -e -R -+T -b /home/caperry/a20-evoplus.xls Output is in kBytes/sec Time Resolution = 0.000001 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 64 4 5355 5140 161144 546928 64 8 5499 6073 500060 592827 64 16 5424 7504 454354 520419 64 32 4460 7157 273409 304761 64 64 4523 5414 255943 329852 128 4 7337 8119 285751 301985 128 8 8311 6171 333293 365764 128 16 7242 9255 319222 357483 128 32 7614 8290 309827 358438 128 64 7954 6071 304037 354415 128 128 8165 9732 259131 292922 256 4 9001 10891 292907 314437 256 8 9060 9192 241246 366739 256 16 9314 9937 184181 364746 256 32 9237 10872 199254 340891 256 64 8522 8895 274137 306537 256 128 8721 9825 307327 320442 256 256 9199 9925 322754 332036 512 4 10621 11306 219538 309935 512 8 9878 11206 274656 350677 512 16 10045 8916 283803 334404 512 32 10415 11589 326523 341314 512 64 10183 11298 238906 304616 512 128 9788 10615 318013 325879 512 256 10128 7928 277926 321633 512 512 10521 11460 330952 340178 1024 4 11198 12116 297769 320692 1024 8 11075 10982 335182 316719 1024 16 11238 11973 339394 345259 1024 32 11401 11149 303128 327564 1024 64 11126 12143 298120 320596 1024 128 10959 10191 318221 290754 1024 256 10683 10884 325085 291326 1024 512 10870 10750 290833 316345 1024 1024 9637 10877 328316 327240 2048 4 11340 9884 306085 317853 2048 8 10856 11401 346650 339351 2048 16 11731 11979 319889 334254 2048 32 11611 12488 298626 333773 2048 64 10145 12097 303855 328778 2048 128 11754 15423 308626 314490 2048 256 13540 15390 310208 313961 2048 512 13659 15427 333113 331327 2048 1024 14223 14558 313046 322883 2048 2048 14207 14738 307741 305769 4096 4 14379 15427 313874 322979 4096 8 14695 15446 334747 338034 4096 16 14440 15490 342250 348413 4096 32 14412 15471 325235 335329 4096 64 14450 15479 319228 321860 4096 128 14350 15836 324823 329180 4096 256 14272 15437 309972 323411 4096 512 13597 15456 316826 324051 4096 1024 14257 15428 305600 312169 4096 2048 14280 15407 316074 317817 4096 4096 14672 15426 315320 318011 8192 4 14270 15139 316438 320825 8192 8 14737 15719 344766 350338 8192 16 14638 15733 341392 349028 8192 32 14649 15713 327326 336027 8192 64 14607 15710 320703 323578 8192 128 14493 15834 307715 320036 8192 256 14513 15611 323282 324051 8192 512 14969 15799 316662 318976 8192 1024 14515 15623 317693 319527 8192 2048 14504 15628 312290 316858 8192 4096 14666 15605 319415 318816 8192 8192 14547 15642 320963 319438 16384 4 14798 15689 321544 322678 16384 8 15263 15815 335400 337640 16384 16 14672 15819 346831 348908 16384 32 14619 15757 323372 329088 16384 64 15030 15886 318563 320481 16384 128 14905 15874 328171 330936 16384 256 15102 15648 320976 329710 16384 512 15198 15719 320777 323884 16384 1024 14768 15711 317439 316776 16384 2048 14988 15714 312719 314533 16384 4096 15174 15718 315909 319270 16384 8192 14631 15822 317327 287750 16384 16384 15458 15870 317010 316806 32768 4 15808 15801 322031 323436 32768 8 15416 16051 350481 352211 32768 16 15464 15916 348492 349756 32768 32 15327 15870 334578 354364 32768 64 15463 15879 315835 312067 32768 128 15256 15724 322120 323867 32768 256 15279 15814 325761 324889 32768 512 15397 15775 318980 333713 32768 1024 15540 15813 319843 302000 32768 2048 15424 15798 322142 310356 32768 4096 15500 15920 321163 312005 32768 8192 15494 15801 324554 386602 32768 16384 14870 15846 322367 381236 65536 4 15609 15992 323181 393007 65536 8 15733 16086 351823 344008 65536 16 15604 16115 363710 447295 65536 32 15667 16029 334379 424192 65536 64 15641 16052 321436 409982 65536 128 15491 16052 329722 388290 65536 256 15491 16168 336168 386953 65536 512 15369 15899 322007 396282 65536 1024 15360 15953 320254 379729 65536 2048 15607 16032 332243 366692 65536 4096 15481 15883 323599 431286 65536 8192 15600 15880 345996 472542 65536 16384 15465 16132 326662 487600 131072 4 16534 16318 369766 516845 131072 8 13794 15960 383890 553347 131072 16 16467 16345 371064 534667 131072 32 16371 16371 369830 490904 131072 64 16467 16315 351028 441152 131072 128 16380 16443 357964 442195 131072 256 16149 16447 362811 457859 131072 512 16283 16640 358251 452016 131072 1024 16228 16395 335765 465373 131072 2048 16381 16398 365191 456826 131072 4096 16231 16378 344558 465112 131072 8192 16354 16393 344235 457912 131072 16384 16444 16591 364986 476002 262144 4 13847 12901 435121 514731 262144 8 12057 12965 447086 543594 262144 16 14443 13097 456257 529990 262144 32 14480 13048 436576 496921 262144 64 14524 13042 397948 458477 262144 128 14526 13680 393825 451482 262144 256 14026 13616 401620 468447 262144 512 14223 13186 401746 474035 262144 1024 14406 12961 384573 469517 262144 2048 14607 13038 395345 473458 262144 4096 14500 13030 396811 472443 262144 8192 14520 12856 408510 476093 262144 16384 14415 13052 407097 471600 524288 4 13923 13726 468693 547886 524288 8 13899 13739 497798 580577 524288 16 14424 13514 495781 562610 524288 32 14020 13766 455065 509508 524288 64 13902 13750 422227 468264 524288 128 13920 13703 432646 469838 524288 256 13847 13705 441430 476292 524288 512 14388 13481 438480 482101 524288 1024 14000 13721 449778 480102 524288 2048 13823 13717 445312 483856 524288 4096 13886 13721 435235 481271 524288 8192 14034 13303 450955 481768 524288 16384 13744 13540 449415 479759 iozone test complete. Excel output is below: "Writer report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "64" 5355 5499 5424 4460 4523 "128" 7337 8311 7242 7614 7954 8165 "256" 9001 9060 9314 9237 8522 8721 9199 "512" 10621 9878 10045 10415 10183 9788 10128 10521 "1024" 11198 11075 11238 11401 11126 10959 10683 10870 9637 "2048" 11340 10856 11731 11611 10145 11754 13540 13659 14223 14207 "4096" 14379 14695 14440 14412 14450 14350 14272 13597 14257 14280 14672 "8192" 14270 14737 14638 14649 14607 14493 14513 14969 14515 14504 14666 14547 "16384" 14798 15263 14672 14619 15030 14905 15102 15198 14768 14988 15174 14631 15458 "32768" 15808 15416 15464 15327 15463 15256 15279 15397 15540 15424 15500 15494 14870 "65536" 15609 15733 15604 15667 15641 15491 15491 15369 15360 15607 15481 15600 15465 "131072" 16534 13794 16467 16371 16467 16380 16149 16283 16228 16381 16231 16354 16444 "262144" 13847 12057 14443 14480 14524 14526 14026 14223 14406 14607 14500 14520 14415 "524288" 13923 13899 14424 14020 13902 13920 13847 14388 14000 13823 13886 14034 13744 "Re-writer report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "64" 5140 6073 7504 7157 5414 "128" 8119 6171 9255 8290 6071 9732 "256" 10891 9192 9937 10872 8895 9825 9925 "512" 11306 11206 8916 11589 11298 10615 7928 11460 "1024" 12116 10982 11973 11149 12143 10191 10884 10750 10877 "2048" 9884 11401 11979 12488 12097 15423 15390 15427 14558 14738 "4096" 15427 15446 15490 15471 15479 15836 15437 15456 15428 15407 15426 "8192" 15139 15719 15733 15713 15710 15834 15611 15799 15623 15628 15605 15642 "16384" 15689 15815 15819 15757 15886 15874 15648 15719 15711 15714 15718 15822 15870 "32768" 15801 16051 15916 15870 15879 15724 15814 15775 15813 15798 15920 15801 15846 "65536" 15992 16086 16115 16029 16052 16052 16168 15899 15953 16032 15883 15880 16132 "131072" 16318 15960 16345 16371 16315 16443 16447 16640 16395 16398 16378 16393 16591 "262144" 12901 12965 13097 13048 13042 13680 13616 13186 12961 13038 13030 12856 13052 "524288" 13726 13739 13514 13766 13750 13703 13705 13481 13721 13717 13721 13303 13540 "Reader report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "64" 161144 500060 454354 273409 255943 "128" 285751 333293 319222 309827 304037 259131 "256" 292907 241246 184181 199254 274137 307327 322754 "512" 219538 274656 283803 326523 238906 318013 277926 330952 "1024" 297769 335182 339394 303128 298120 318221 325085 290833 328316 "2048" 306085 346650 319889 298626 303855 308626 310208 333113 313046 307741 "4096" 313874 334747 342250 325235 319228 324823 309972 316826 305600 316074 315320 "8192" 316438 344766 341392 327326 320703 307715 323282 316662 317693 312290 319415 320963 "16384" 321544 335400 346831 323372 318563 328171 320976 320777 317439 312719 315909 317327 317010 "32768" 322031 350481 348492 334578 315835 322120 325761 318980 319843 322142 321163 324554 322367 "65536" 323181 351823 363710 334379 321436 329722 336168 322007 320254 332243 323599 345996 326662 "131072" 369766 383890 371064 369830 351028 357964 362811 358251 335765 365191 344558 344235 364986 "262144" 435121 447086 456257 436576 397948 393825 401620 401746 384573 395345 396811 408510 407097 "524288" 468693 497798 495781 455065 422227 432646 441430 438480 449778 445312 435235 450955 449415 "Re-Reader report" "4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384" "64" 546928 592827 520419 304761 329852 "128" 301985 365764 357483 358438 354415 292922 "256" 314437 366739 364746 340891 306537 320442 332036 "512" 309935 350677 334404 341314 304616 325879 321633 340178 "1024" 320692 316719 345259 327564 320596 290754 291326 316345 327240 "2048" 317853 339351 334254 333773 328778 314490 313961 331327 322883 305769 "4096" 322979 338034 348413 335329 321860 329180 323411 324051 312169 317817 318011 "8192" 320825 350338 349028 336027 323578 320036 324051 318976 319527 316858 318816 319438 "16384" 322678 337640 348908 329088 320481 330936 329710 323884 316776 314533 319270 287750 316806 "32768" 323436 352211 349756 354364 312067 323867 324889 333713 302000 310356 312005 386602 381236 "65536" 393007 344008 447295 424192 409982 388290 386953 396282 379729 366692 431286 472542 487600 "131072" 516845 553347 534667 490904 441152 442195 457859 452016 465373 456826 465112 457912 476002 "262144" 514731 543594 529990 496921 458477 451482 468447 474035 469517 473458 472443 476093 471600 "524288" 547886 580577 562610 509508 468264 469838 476292 482101 480102 483856 481271 481768 479759