Greeting, FYI, we noticed a 8.1% improvement of iozone.average_KBps due to commit: commit: 0b1c982be8fd9622dcad2ee800effc76d1e8ae1c ("mm/page_alloc.c: Set ppc->high fraction default to 512") https://git.kernel.org/cgit/linux/kernel/git/saeed/linux.git mlx4-queue in testcase: iozone on test machine: 256 threads 2 sockets Intel(R) Genuine Intel(R) CPU 0000 @ 1.30GHz with 112G memory with following parameters: disk: 2HDD fs: xfs iosched: kyber cpufreq_governor: performance ucode: 0xffff0190 Details are as below: --------------------------------------------------------------------------------------------------> To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run bin/lkp run generated-yaml-file ========================================================================================= compiler/cpufreq_governor/disk/fs/iosched/kconfig/rootfs/tbox_group/testcase/ucode: gcc-9/performance/2HDD/xfs/kyber/x86_64-rhel-8.3/debian-10.4-x86_64-20200603.cgz/lkp-knl-f1/iozone/0xffff0190 commit: ef2c3ddaa4 ("ibmvnic: Use strscpy() instead of strncpy()") 0b1c982be8 ("mm/page_alloc.c: Set ppc->high fraction default to 512") ef2c3ddaa4ed0b1d 0b1c982be8fd9622dcad2ee800e ---------------- --------------------------- %stddev %change %stddev \ | \ 2102583 ± 6% +17.1% 2462186 ± 2% iozone.1024KB_1024reclen.reread 1584014 ± 5% +10.1% 1743713 ± 7% iozone.1024KB_16reclen.freread 82266 ± 5% +11.0% 91295 ± 5% iozone.1024KB_512reclen 1229414 ± 4% +12.2% 1378942 ± 7% iozone.1024KB_512reclen.rewrite 1884748 ± 7% +13.6% 2141492 ± 3% iozone.1024KB_512reclen.stride_read 1047166 +4.8% 1097007 ± 3% iozone.1024KB_8reclen.stride_read 722421 ± 11% -17.5% 596163 ± 15% iozone.128KB_32reclen.frewrite 99923 +9.3% 109241 iozone.131072KB_1024reclen 2575765 ± 2% +10.4% 2843126 ± 2% iozone.131072KB_1024reclen.bkwd_read 2609721 +9.8% 2866134 ± 2% iozone.131072KB_1024reclen.fread 2612688 +10.6% 2888576 iozone.131072KB_1024reclen.freread 1221076 +5.5% 1288360 iozone.131072KB_1024reclen.frewrite 1239109 +4.0% 1289130 iozone.131072KB_1024reclen.fwrite 2535923 ± 3% +11.8% 2835305 iozone.131072KB_1024reclen.random_read 1455384 +6.1% 1543942 iozone.131072KB_1024reclen.random_write 2593107 +11.0% 2878260 iozone.131072KB_1024reclen.read 1662338 ± 5% +16.6% 1937529 ± 4% iozone.131072KB_1024reclen.reread 1463595 ± 3% +6.7% 1561566 iozone.131072KB_1024reclen.rewrite 2581235 +10.0% 2840209 ± 2% iozone.131072KB_1024reclen.stride_read 573774 +12.9% 647922 iozone.131072KB_1024reclen.write 107989 +10.0% 118749 ± 3% iozone.131072KB_128reclen 2856165 +12.9% 3225372 ± 4% iozone.131072KB_128reclen.fread 2673911 +11.3% 2975672 ± 3% iozone.131072KB_128reclen.random_read 1403184 +5.5% 1480639 iozone.131072KB_128reclen.random_write 2824062 ± 2% +14.5% 3233757 ± 4% iozone.131072KB_128reclen.read 1772493 ± 7% +16.8% 2070289 ± 4% iozone.131072KB_128reclen.reread 2725614 +10.8% 3018726 ± 3% iozone.131072KB_128reclen.stride_read 554092 ± 2% +15.1% 637771 ± 2% iozone.131072KB_128reclen.write 1581193 +3.8% 1641532 iozone.131072KB_16384reclen.fwrite 1679754 +4.8% 1760245 ± 2% iozone.131072KB_16384reclen.random_write 2113071 ± 2% +8.3% 2287465 ± 3% iozone.131072KB_16384reclen.record_rewrite 1851549 ± 7% +12.8% 2088957 ± 6% iozone.131072KB_16384reclen.reread 606367 +11.2% 673981 ± 2% iozone.131072KB_16384reclen.write 103852 +9.7% 113974 iozone.131072KB_2048reclen 2672534 +10.9% 2962838 iozone.131072KB_2048reclen.bkwd_read 2680572 +10.6% 2963988 iozone.131072KB_2048reclen.fread 2690172 +10.7% 2979107 iozone.131072KB_2048reclen.freread 1322352 +5.2% 1391546 iozone.131072KB_2048reclen.frewrite 1321301 +5.3% 1391816 iozone.131072KB_2048reclen.fwrite 2653903 +11.0% 2945588 iozone.131072KB_2048reclen.random_read 1547711 +6.2% 1644006 iozone.131072KB_2048reclen.random_write 2667258 +10.9% 2957627 iozone.131072KB_2048reclen.read 2066587 +6.9% 2209908 ± 2% iozone.131072KB_2048reclen.record_rewrite 1735758 ± 7% +15.5% 2005066 ± 4% iozone.131072KB_2048reclen.reread 1555753 +5.4% 1639983 iozone.131072KB_2048reclen.rewrite 2665304 +11.4% 2967859 iozone.131072KB_2048reclen.stride_read 591542 +11.9% 662130 iozone.131072KB_2048reclen.write 106350 ± 7% +14.6% 121841 ± 3% iozone.131072KB_256reclen 2676734 ± 10% +18.5% 3170808 ± 4% iozone.131072KB_256reclen.bkwd_read 2727313 ± 11% +19.0% 3245126 ± 4% iozone.131072KB_256reclen.fread 2785115 ± 7% +19.0% 3314345 ± 2% iozone.131072KB_256reclen.freread 1145845 ± 5% +6.9% 1224343 ± 2% iozone.131072KB_256reclen.frewrite 2651406 ± 9% +17.8% 3123082 ± 3% iozone.131072KB_256reclen.random_read 1432276 ± 6% +8.0% 1546512 ± 2% iozone.131072KB_256reclen.random_write 1759019 ± 9% +19.0% 2093439 ± 5% iozone.131072KB_256reclen.reread 2679309 ± 10% +17.8% 3157126 ± 2% iozone.131072KB_256reclen.stride_read 540220 +17.7% 635931 ± 3% iozone.131072KB_256reclen.write 106044 ± 2% +9.1% 115679 ± 3% iozone.131072KB_4096reclen 1397387 +3.7% 1448586 iozone.131072KB_4096reclen.frewrite 1394432 +4.5% 1457295 iozone.131072KB_4096reclen.fwrite 2657100 ± 6% +14.3% 3037154 iozone.131072KB_4096reclen.random_read 1604444 ± 2% +7.5% 1724708 iozone.131072KB_4096reclen.random_write 2642150 ± 6% +13.0% 2984631 iozone.131072KB_4096reclen.read 2124906 +8.1% 2297983 ± 2% iozone.131072KB_4096reclen.record_rewrite 1772022 ± 7% +14.9% 2036851 ± 4% iozone.131072KB_4096reclen.reread 600134 +12.0% 672068 iozone.131072KB_4096reclen.write 99537 +10.1% 109550 iozone.131072KB_512reclen 2566819 +10.4% 2833145 iozone.131072KB_512reclen.bkwd_read 2601456 +12.0% 2913986 ± 2% iozone.131072KB_512reclen.fread 2626277 +12.5% 2954418 ± 2% iozone.131072KB_512reclen.freread 1181310 +4.0% 1228452 iozone.131072KB_512reclen.frewrite 1186452 +4.5% 1239411 iozone.131072KB_512reclen.fwrite 2565724 +11.6% 2863897 ± 2% iozone.131072KB_512reclen.random_read 1411181 +5.3% 1486130 iozone.131072KB_512reclen.random_write 2583410 ± 2% +13.5% 2931752 ± 2% iozone.131072KB_512reclen.read 1644561 ± 6% +18.1% 1941723 ± 4% iozone.131072KB_512reclen.reread 1393754 ± 4% +8.2% 1508300 iozone.131072KB_512reclen.rewrite 2606072 +11.1% 2894651 ± 2% iozone.131072KB_512reclen.stride_read 544992 +14.4% 623468 iozone.131072KB_512reclen.write 97253 +11.2% 108190 iozone.131072KB_64reclen 2420390 ± 2% +14.7% 2776589 iozone.131072KB_64reclen.bkwd_read 2647403 +12.4% 2975561 iozone.131072KB_64reclen.fread 2622520 ± 2% +13.9% 2986239 iozone.131072KB_64reclen.freread 1071409 +5.1% 1125743 iozone.131072KB_64reclen.fwrite 2315678 ± 3% +12.9% 2613315 ± 2% iozone.131072KB_64reclen.random_read 1236465 +7.5% 1329774 iozone.131072KB_64reclen.random_write 2628140 ± 4% +15.2% 3026824 iozone.131072KB_64reclen.read 1662223 ± 3% +15.5% 1919861 ± 6% iozone.131072KB_64reclen.reread 1318121 ± 3% +9.0% 1436192 iozone.131072KB_64reclen.rewrite 2415268 +10.7% 2674733 iozone.131072KB_64reclen.stride_read 535244 ± 2% +11.7% 598131 iozone.131072KB_64reclen.write 1475255 +4.0% 1534192 iozone.131072KB_8192reclen.frewrite 1470992 +4.1% 1531337 iozone.131072KB_8192reclen.fwrite 1656563 +4.8% 1735411 iozone.131072KB_8192reclen.random_write 2134410 +8.7% 2320851 ± 2% iozone.131072KB_8192reclen.record_rewrite 1795861 ± 7% +13.7% 2041172 ± 4% iozone.131072KB_8192reclen.reread 604418 +12.2% 678451 iozone.131072KB_8192reclen.write 2430024 +16.5% 2831455 iozone.16384KB_1024reclen.freread 1241719 +6.6% 1323984 ± 2% iozone.16384KB_1024reclen.frewrite 1396450 ± 2% +8.4% 1513618 ± 2% iozone.16384KB_1024reclen.random_write 1874373 +7.3% 2010563 ± 2% iozone.16384KB_1024reclen.record_rewrite 1430510 +8.4% 1550830 iozone.16384KB_1024reclen.rewrite 596216 +6.9% 637170 iozone.16384KB_1024reclen.write 2625300 +19.6% 3140884 ± 3% iozone.16384KB_128reclen.freread 570461 +8.7% 620071 ± 2% iozone.16384KB_128reclen.write 2636105 +17.5% 3097540 ± 2% iozone.16384KB_16384reclen.freread 1614154 +7.1% 1729544 iozone.16384KB_16384reclen.frewrite 1621981 +7.4% 1741829 iozone.16384KB_16384reclen.fwrite 1595291 +8.3% 1727646 iozone.16384KB_16384reclen.random_write 1619154 +7.8% 1744911 iozone.16384KB_16384reclen.record_rewrite 617248 +5.9% 653697 ± 2% iozone.16384KB_16384reclen.write 1405926 ± 11% +15.7% 1626210 ± 2% iozone.16384KB_16reclen.bkwd_read 1676263 ± 3% +12.6% 1887757 ± 3% iozone.16384KB_16reclen.fread 1735441 +9.2% 1894418 ± 3% iozone.16384KB_16reclen.freread 794659 +6.3% 844579 ± 2% iozone.16384KB_16reclen.frewrite 1351303 ± 10% +12.8% 1523716 ± 2% iozone.16384KB_16reclen.stride_read 2517612 +14.6% 2885005 iozone.16384KB_2048reclen.freread 1377533 ± 15% +15.4% 1589125 ± 2% iozone.16384KB_2048reclen.random_write 1809913 ± 11% +12.0% 2027332 ± 3% iozone.16384KB_2048reclen.record_rewrite 1470934 ± 6% +10.7% 1628084 iozone.16384KB_2048reclen.rewrite 604103 +8.2% 653886 iozone.16384KB_2048reclen.write 2598502 +20.5% 3130830 ± 2% iozone.16384KB_256reclen.freread 1579596 +11.3% 1758652 ± 3% iozone.16384KB_256reclen.reread 565130 +7.6% 608031 ± 2% iozone.16384KB_256reclen.write 79138 ± 4% +10.5% 87457 ± 3% iozone.16384KB_32reclen 1866358 ± 10% +16.9% 2182117 iozone.16384KB_32reclen.bkwd_read 2126871 ± 3% +13.8% 2420520 ± 2% iozone.16384KB_32reclen.fread 2172882 +13.7% 2470850 ± 2% iozone.16384KB_32reclen.freread 943352 ± 14% +13.0% 1065833 ± 2% iozone.16384KB_32reclen.fwrite 1863747 ± 2% +11.0% 2069190 ± 2% iozone.16384KB_32reclen.random_read 1391486 +9.4% 1522813 ± 5% iozone.16384KB_32reclen.reread 1813346 ± 10% +13.3% 2054874 ± 3% iozone.16384KB_32reclen.stride_read 2541889 +16.1% 2949917 iozone.16384KB_4096reclen.freread 619503 +6.8% 661384 iozone.16384KB_4096reclen.write 31465 +4.4% 32839 iozone.16384KB_4reclen 702653 +5.1% 738322 iozone.16384KB_4reclen.bkwd_read 893317 +5.3% 940902 ± 2% iozone.16384KB_4reclen.fread 398617 +3.7% 413179 iozone.16384KB_4reclen.frewrite 398748 +4.4% 416136 iozone.16384KB_4reclen.fwrite 654645 +4.8% 685945 iozone.16384KB_4reclen.random_read 371501 +3.3% 383724 iozone.16384KB_4reclen.random_write 950497 +5.7% 1004945 iozone.16384KB_4reclen.read 426025 ± 7% +7.0% 455750 iozone.16384KB_4reclen.rewrite 675131 +4.4% 704564 iozone.16384KB_4reclen.stride_read 254485 +4.3% 265513 iozone.16384KB_4reclen.write 2378662 +18.0% 2806079 ± 2% iozone.16384KB_512reclen.freread 575171 +7.0% 615185 iozone.16384KB_512reclen.write 2400744 ± 2% +15.0% 2760668 ± 7% iozone.16384KB_64reclen.fread 2463925 +16.5% 2870759 ± 2% iozone.16384KB_64reclen.freread 2221391 ± 2% +12.6% 2501281 ± 5% iozone.16384KB_64reclen.random_read 1244266 ± 7% +13.3% 1409809 ± 2% iozone.16384KB_64reclen.rewrite 553663 +6.8% 591039 ± 2% iozone.16384KB_64reclen.write 2528496 +16.2% 2938909 ± 4% iozone.16384KB_8192reclen.fread 2560719 +15.7% 2962235 ± 3% iozone.16384KB_8192reclen.freread 1578597 +6.4% 1679572 ± 2% iozone.16384KB_8192reclen.random_write 1814033 +7.6% 1952351 ± 2% iozone.16384KB_8192reclen.record_rewrite 622212 +6.3% 661571 ± 2% iozone.16384KB_8192reclen.write 46803 ± 4% +8.0% 50530 iozone.16384KB_8reclen 1097229 +6.7% 1170914 iozone.16384KB_8reclen.bkwd_read 1341046 +7.4% 1440579 ± 2% iozone.16384KB_8reclen.fread 1356409 +7.1% 1453012 ± 2% iozone.16384KB_8reclen.freread 597070 +5.3% 628838 iozone.16384KB_8reclen.frewrite 595846 +5.8% 630320 iozone.16384KB_8reclen.fwrite 995640 ± 8% +10.6% 1101542 iozone.16384KB_8reclen.random_read 569041 +3.5% 589173 iozone.16384KB_8reclen.random_write 1331533 ± 15% +15.3% 1534991 ± 2% iozone.16384KB_8reclen.read 972491 ± 13% +11.3% 1081917 ± 4% iozone.16384KB_8reclen.reread 1056904 +5.4% 1113642 ± 2% iozone.16384KB_8reclen.stride_read 1886455 ± 9% +13.1% 2134018 ± 4% iozone.2048KB_1024reclen.bkwd_read 2047195 ± 4% +8.9% 2228565 ± 6% iozone.2048KB_1024reclen.fread 1245705 ± 11% +17.4% 1462735 ± 3% iozone.2048KB_1024reclen.rewrite 1983809 ± 7% +13.9% 2260287 ± 5% iozone.2048KB_1024reclen.stride_read 586903 ± 2% +4.6% 613916 ± 2% iozone.2048KB_1024reclen.write 2322962 ± 5% +24.1% 2882682 ± 7% iozone.2048KB_128reclen.freread 718325 ± 12% +11.3% 799405 ± 3% iozone.2048KB_16reclen.frewrite 1358590 ± 10% +10.7% 1504638 ± 3% iozone.2048KB_16reclen.stride_read 415478 ± 6% +7.3% 445990 iozone.2048KB_16reclen.write 2153337 ± 7% +14.6% 2468423 ± 4% iozone.2048KB_2048reclen.random_read 1909648 ± 15% +23.3% 2355013 ± 4% iozone.2048KB_2048reclen.stride_read 79085 ± 10% +20.2% 95071 ± 6% iozone.2048KB_256reclen 1721318 ± 8% +25.7% 2164195 ± 7% iozone.2048KB_256reclen.bkwd_read 2300826 ± 7% +16.2% 2673126 ± 6% iozone.2048KB_256reclen.freread 1019290 ± 17% +19.0% 1213323 ± 4% iozone.2048KB_256reclen.fwrite 1962543 ± 11% +23.9% 2431401 ± 6% iozone.2048KB_256reclen.random_read 1894917 ± 11% +25.3% 2373832 ± 9% iozone.2048KB_256reclen.read 1458593 ± 11% +17.7% 1716849 ± 3% iozone.2048KB_256reclen.reread 75518 ± 2% +7.3% 81035 ± 2% iozone.2048KB_32reclen 1742323 ± 2% +8.0% 1881041 ± 4% iozone.2048KB_32reclen.bkwd_read 1932427 ± 3% +10.5% 2135238 ± 2% iozone.2048KB_32reclen.fread 1832037 ± 3% +7.8% 1974781 ± 3% iozone.2048KB_32reclen.random_read 2026162 ± 9% +13.2% 2293443 ± 3% iozone.2048KB_32reclen.read 1797838 ± 2% +7.9% 1940556 ± 3% iozone.2048KB_32reclen.stride_read 489271 +5.6% 516849 ± 2% iozone.2048KB_32reclen.write 2187530 ± 6% +10.5% 2417906 ± 4% iozone.2048KB_512reclen.freread 565166 +3.3% 583674 iozone.2048KB_512reclen.write 76719 ± 12% +19.0% 91324 ± 3% iozone.2048KB_64reclen 1795050 ± 10% +18.0% 2118704 ± 4% iozone.2048KB_64reclen.bkwd_read 1947776 ± 10% +22.9% 2392961 ± 4% iozone.2048KB_64reclen.fread 2226363 ± 6% +13.7% 2530441 ± 3% iozone.2048KB_64reclen.freread 842112 ± 18% +18.7% 999640 ± 4% iozone.2048KB_64reclen.fwrite 1917660 ± 9% +21.7% 2333122 ± 5% iozone.2048KB_64reclen.random_read 958250 ± 19% +22.1% 1170318 ± 2% iozone.2048KB_64reclen.random_write 2002312 ± 12% +25.1% 2504601 ± 5% iozone.2048KB_64reclen.read 1476906 ± 11% +16.8% 1725511 ± 3% iozone.2048KB_64reclen.reread 1147585 +8.1% 1240519 ± 4% iozone.2048KB_64reclen.rewrite 1749769 ± 23% +27.4% 2229311 ± 5% iozone.2048KB_64reclen.stride_read 527141 +5.0% 553695 iozone.2048KB_64reclen.write 45277 ± 5% +7.4% 48643 iozone.2048KB_8reclen 973042 ± 14% +11.4% 1084057 iozone.2048KB_8reclen.bkwd_read 1259058 +7.1% 1348953 ± 2% iozone.2048KB_8reclen.fread 1311905 ± 2% +6.9% 1402724 ± 3% iozone.2048KB_8reclen.freread 582323 +3.1% 600661 ± 2% iozone.2048KB_8reclen.frewrite 988398 ± 14% +11.2% 1099205 ± 3% iozone.2048KB_8reclen.random_read 1292315 ± 15% +12.8% 1457770 ± 3% iozone.2048KB_8reclen.read 946263 ± 12% +11.7% 1056859 ± 2% iozone.2048KB_8reclen.reread 1070199 +4.7% 1120266 iozone.2048KB_8reclen.stride_read 340877 +4.0% 354346 iozone.2048KB_8reclen.write 1215270 ± 7% -10.4% 1089157 ± 7% iozone.256KB_32reclen.record_rewrite 1023828 ± 4% -14.4% 875948 ± 15% iozone.256KB_64reclen.rewrite 104814 +6.7% 111885 iozone.262144KB_1024reclen 2728951 +7.0% 2921155 iozone.262144KB_1024reclen.bkwd_read 2751493 +7.4% 2954480 iozone.262144KB_1024reclen.fread 2769572 +7.2% 2968913 iozone.262144KB_1024reclen.freread 1251817 +4.0% 1301334 iozone.262144KB_1024reclen.frewrite 1261227 +3.5% 1305374 iozone.262144KB_1024reclen.fwrite 2718594 +7.4% 2918483 iozone.262144KB_1024reclen.random_read 1501558 +3.7% 1557259 iozone.262144KB_1024reclen.random_write 2736828 +7.9% 2952249 iozone.262144KB_1024reclen.read 1770306 ± 8% +14.4% 2024897 iozone.262144KB_1024reclen.reread 1479294 ± 3% +5.6% 1562646 iozone.262144KB_1024reclen.rewrite 2733777 +7.4% 2935469 iozone.262144KB_1024reclen.stride_read 583569 +10.4% 644195 iozone.262144KB_1024reclen.write 112932 +7.0% 120813 ± 2% iozone.262144KB_128reclen 2880958 ± 2% +9.4% 3152782 ± 2% iozone.262144KB_128reclen.bkwd_read 3024201 +8.3% 3274899 ± 2% iozone.262144KB_128reclen.freread 1172230 +3.4% 1212426 iozone.262144KB_128reclen.frewrite 2826495 +7.3% 3031627 iozone.262144KB_128reclen.random_read 1429163 +4.4% 1491524 iozone.262144KB_128reclen.random_write 3038485 +8.8% 3307129 iozone.262144KB_128reclen.read 1847550 ± 8% +16.8% 2158857 iozone.262144KB_128reclen.reread 2887042 +6.4% 3072921 iozone.262144KB_128reclen.stride_read 583182 +10.7% 645689 iozone.262144KB_128reclen.write 113477 +9.1% 123861 iozone.262144KB_16384reclen 2978829 +8.0% 3215894 iozone.262144KB_16384reclen.bkwd_read 2976430 +8.3% 3223060 iozone.262144KB_16384reclen.fread 2980912 +7.5% 3205905 ± 2% iozone.262144KB_16384reclen.freread 1522309 +3.1% 1569368 iozone.262144KB_16384reclen.frewrite 1526845 +3.5% 1579745 iozone.262144KB_16384reclen.fwrite 2961105 +8.0% 3198746 iozone.262144KB_16384reclen.random_read 1728195 +4.2% 1800133 iozone.262144KB_16384reclen.random_write 2841164 ± 2% +8.8% 3090429 iozone.262144KB_16384reclen.read 2176705 ± 2% +12.9% 2457514 iozone.262144KB_16384reclen.record_rewrite 1879372 ± 8% +16.3% 2186380 iozone.262144KB_16384reclen.reread 2682384 ± 4% +21.7% 3265557 iozone.262144KB_16384reclen.stride_read 615970 +9.8% 676044 iozone.262144KB_16384reclen.write 108513 +6.0% 115015 iozone.262144KB_2048reclen 2853768 +6.1% 3028517 iozone.262144KB_2048reclen.fread 2859573 +6.1% 3035122 iozone.262144KB_2048reclen.freread 1342743 +3.1% 1384446 iozone.262144KB_2048reclen.frewrite 2804374 +7.2% 3007026 iozone.262144KB_2048reclen.random_read 1586480 +4.1% 1651232 iozone.262144KB_2048reclen.random_write 2095827 ± 4% +6.5% 2232818 iozone.262144KB_2048reclen.record_rewrite 1780072 ± 8% +15.6% 2058117 iozone.262144KB_2048reclen.reread 601837 +9.9% 661476 iozone.262144KB_2048reclen.write 3015384 +8.0% 3256435 ± 2% iozone.262144KB_256reclen.bkwd_read 2963504 +8.0% 3199310 ± 2% iozone.262144KB_256reclen.random_read 1512814 +3.4% 1564594 iozone.262144KB_256reclen.random_write 3023816 ± 2% +11.2% 3360973 ± 2% iozone.262144KB_256reclen.read 1891115 ± 8% +15.2% 2179417 ± 2% iozone.262144KB_256reclen.reread 561294 +14.1% 640325 ± 2% iozone.262144KB_256reclen.write 111620 +6.9% 119373 iozone.262144KB_4096reclen 2906444 +7.1% 3112655 iozone.262144KB_4096reclen.bkwd_read 2923627 +6.4% 3111540 iozone.262144KB_4096reclen.freread 1412958 +3.4% 1460591 iozone.262144KB_4096reclen.fwrite 2892892 +7.4% 3107082 iozone.262144KB_4096reclen.random_read 1662983 +4.4% 1736455 iozone.262144KB_4096reclen.random_write 2886801 +6.6% 3077554 iozone.262144KB_4096reclen.read 2156011 +7.5% 2317888 ± 2% iozone.262144KB_4096reclen.record_rewrite 1779668 ± 6% +19.3% 2122845 iozone.262144KB_4096reclen.reread 1666701 +4.3% 1738909 iozone.262144KB_4096reclen.rewrite 2905834 +6.5% 3095621 ± 2% iozone.262144KB_4096reclen.stride_read 609128 +10.0% 670252 iozone.262144KB_4096reclen.write 104265 +6.0% 110497 iozone.262144KB_512reclen 2669485 ± 8% +11.0% 2962020 iozone.262144KB_512reclen.fread 2712056 ± 7% +11.2% 3016863 iozone.262144KB_512reclen.freread 1776747 ± 9% +12.0% 1989328 ± 2% iozone.262144KB_512reclen.reread 2762904 +6.7% 2949211 iozone.262144KB_512reclen.stride_read 103377 +5.4% 108921 ± 2% iozone.262144KB_64reclen 2608956 +6.4% 2776616 ± 2% iozone.262144KB_64reclen.bkwd_read 2815529 +7.3% 3020424 iozone.262144KB_64reclen.fread 2817218 +7.3% 3022048 iozone.262144KB_64reclen.freread 1097760 +3.7% 1138509 ± 2% iozone.262144KB_64reclen.fwrite 1281612 +3.4% 1325014 ± 2% iozone.262144KB_64reclen.random_write 1753590 ± 7% +15.9% 2031941 iozone.262144KB_64reclen.reread 113132 +8.3% 122502 iozone.262144KB_8192reclen 2945883 +7.5% 3167275 ± 2% iozone.262144KB_8192reclen.bkwd_read 2945999 +8.2% 3187569 iozone.262144KB_8192reclen.fread 2950765 +8.2% 3192102 iozone.262144KB_8192reclen.freread 1460761 +3.8% 1516882 iozone.262144KB_8192reclen.frewrite 1459802 +4.5% 1525801 iozone.262144KB_8192reclen.fwrite 2930526 +8.0% 3164887 iozone.262144KB_8192reclen.random_read 1700563 +4.7% 1781152 iozone.262144KB_8192reclen.random_write 2889203 +8.1% 3122327 ± 2% iozone.262144KB_8192reclen.read 2162223 +12.7% 2437625 iozone.262144KB_8192reclen.record_rewrite 1808668 ± 6% +19.1% 2153457 iozone.262144KB_8192reclen.reread 1704103 +3.6% 1765318 iozone.262144KB_8192reclen.rewrite 2937118 +8.4% 3183880 iozone.262144KB_8192reclen.stride_read 613891 +9.5% 672272 iozone.262144KB_8192reclen.write 92324 ± 3% +12.5% 103832 ± 5% iozone.32768KB_1024reclen 2424596 +18.6% 2876498 iozone.32768KB_1024reclen.freread 1382887 +8.7% 1503059 iozone.32768KB_1024reclen.random_write 1537617 +11.5% 1714676 iozone.32768KB_1024reclen.reread 1409343 +8.7% 1532195 iozone.32768KB_1024reclen.rewrite 582868 +9.3% 637192 iozone.32768KB_1024reclen.write 100950 +15.9% 116994 ± 2% iozone.32768KB_128reclen 2524208 +21.6% 3069673 ± 2% iozone.32768KB_128reclen.bkwd_read 2629024 +21.0% 3181232 ± 2% iozone.32768KB_128reclen.fread 2629416 +22.2% 3212783 ± 2% iozone.32768KB_128reclen.freread 1101268 +7.0% 1178839 ± 2% iozone.32768KB_128reclen.frewrite 1095292 +8.1% 1183584 ± 2% iozone.32768KB_128reclen.fwrite 2498114 +18.6% 2963485 ± 2% iozone.32768KB_128reclen.random_read 1329728 +9.9% 1461431 ± 2% iozone.32768KB_128reclen.random_write 2642581 +21.2% 3204095 ± 2% iozone.32768KB_128reclen.read 2949385 +4.4% 3079579 iozone.32768KB_128reclen.record_rewrite 1605609 +12.4% 1804712 iozone.32768KB_128reclen.reread 1370019 +10.7% 1517201 ± 2% iozone.32768KB_128reclen.rewrite 2508631 +19.4% 2995768 ± 2% iozone.32768KB_128reclen.stride_read 556189 +13.3% 630132 iozone.32768KB_128reclen.write 2598398 +16.7% 3032619 ± 2% iozone.32768KB_16384reclen.freread 1590405 +6.7% 1697486 ± 3% iozone.32768KB_16384reclen.random_write 1973015 +12.4% 2217134 ± 7% iozone.32768KB_16384reclen.read 1819775 +6.9% 1946152 ± 5% iozone.32768KB_16384reclen.record_rewrite 1982371 +10.8% 2197269 ± 7% iozone.32768KB_16384reclen.reread 1595387 +7.9% 1721815 ± 2% iozone.32768KB_16384reclen.rewrite 606759 +8.5% 658425 iozone.32768KB_16384reclen.write 2500296 +17.4% 2935941 iozone.32768KB_2048reclen.freread 1482445 +7.2% 1588468 ± 2% iozone.32768KB_2048reclen.random_write 1627095 ± 3% +8.7% 1768314 iozone.32768KB_2048reclen.reread 1484932 +8.3% 1607860 ± 2% iozone.32768KB_2048reclen.rewrite 595056 +9.4% 650925 iozone.32768KB_2048reclen.write 2627626 +23.8% 3252324 ± 2% iozone.32768KB_256reclen.freread 1593439 +9.1% 1738197 ± 3% iozone.32768KB_256reclen.reread 545502 +14.2% 623131 iozone.32768KB_256reclen.write 2554755 +17.5% 3000824 iozone.32768KB_4096reclen.freread 1533451 +8.8% 1667972 ± 2% iozone.32768KB_4096reclen.random_write 1694682 ± 3% +10.9% 1879624 ± 5% iozone.32768KB_4096reclen.reread 604420 +8.5% 655996 iozone.32768KB_4096reclen.write 2400256 +20.1% 2883413 iozone.32768KB_512reclen.freread 559367 +9.0% 609454 iozone.32768KB_512reclen.write 93349 +12.8% 105304 iozone.32768KB_64reclen 2317856 +16.4% 2697929 ± 2% iozone.32768KB_64reclen.bkwd_read 2466638 +17.6% 2900408 ± 2% iozone.32768KB_64reclen.fread 2464412 +20.6% 2970879 iozone.32768KB_64reclen.freread 1028066 +6.5% 1094543 iozone.32768KB_64reclen.frewrite 1014653 +8.3% 1098530 iozone.32768KB_64reclen.fwrite 2253094 +14.0% 2569508 ± 2% iozone.32768KB_64reclen.random_read 1215882 +7.0% 1300660 iozone.32768KB_64reclen.random_write 2504175 +17.5% 2943544 ± 2% iozone.32768KB_64reclen.read 2614133 +2.9% 2688876 iozone.32768KB_64reclen.record_rewrite 1533337 +11.7% 1713071 ± 5% iozone.32768KB_64reclen.reread 2287028 +14.8% 2624777 ± 2% iozone.32768KB_64reclen.stride_read 540498 +8.4% 585802 iozone.32768KB_64reclen.write 2580218 +17.2% 3024437 ± 2% iozone.32768KB_8192reclen.freread 1760326 +12.6% 1982438 ± 5% iozone.32768KB_8192reclen.reread 1589298 +8.5% 1724054 ± 2% iozone.32768KB_8192reclen.rewrite 608954 +8.6% 661598 iozone.32768KB_8192reclen.write 2351816 ± 3% +15.4% 2712941 ± 2% iozone.4096KB_1024reclen.freread 1380763 +7.1% 1479086 ± 2% iozone.4096KB_1024reclen.rewrite 596701 +6.3% 634202 iozone.4096KB_1024reclen.write 2081335 ± 11% +20.9% 2516608 ± 7% iozone.4096KB_128reclen.bkwd_read 2517510 ± 3% +13.3% 2851835 ± 4% iozone.4096KB_128reclen.freread 1300697 ± 3% +7.8% 1402654 ± 2% iozone.4096KB_128reclen.rewrite 555936 +6.9% 594280 iozone.4096KB_128reclen.write 2423837 ± 3% +14.2% 2768389 ± 2% iozone.4096KB_2048reclen.freread 1471107 +6.3% 1564028 ± 2% iozone.4096KB_2048reclen.rewrite 609416 +6.5% 648974 iozone.4096KB_2048reclen.write 87719 ± 13% +24.4% 109101 ± 2% iozone.4096KB_256reclen 2010645 ± 14% +27.4% 2562370 ± 4% iozone.4096KB_256reclen.bkwd_read 2107581 ± 14% +30.3% 2746245 ± 2% iozone.4096KB_256reclen.fread 2411618 ± 6% +20.9% 2914518 ± 2% iozone.4096KB_256reclen.freread 1035042 ± 14% +16.7% 1208080 iozone.4096KB_256reclen.frewrite 1063262 ± 15% +15.2% 1224852 ± 2% iozone.4096KB_256reclen.fwrite 2121688 ± 14% +30.8% 2775287 ± 4% iozone.4096KB_256reclen.random_read 1190055 ± 16% +19.2% 1418553 ± 2% iozone.4096KB_256reclen.random_write 2109944 ± 14% +28.6% 2713966 ± 2% iozone.4096KB_256reclen.read 1912811 ± 21% +28.8% 2463353 ± 5% iozone.4096KB_256reclen.record_rewrite 1497031 ± 9% +20.1% 1798553 ± 6% iozone.4096KB_256reclen.reread 1289063 ± 2% +8.6% 1399320 iozone.4096KB_256reclen.rewrite 554917 +4.2% 578274 ± 2% iozone.4096KB_256reclen.write 1945474 ± 4% +14.9% 2236252 ± 5% iozone.4096KB_32reclen.fread 2026801 ± 8% +16.2% 2355858 ± 3% iozone.4096KB_32reclen.freread 2546687 ± 2% +11.3% 2834851 ± 3% iozone.4096KB_4096reclen.freread 1517775 +5.0% 1594380 ± 2% iozone.4096KB_4096reclen.frewrite 1516042 +4.8% 1589033 ± 2% iozone.4096KB_4096reclen.fwrite 608352 ± 2% +7.9% 656604 iozone.4096KB_4096reclen.write 84469 ± 5% +17.0% 98859 iozone.4096KB_512reclen 2001112 ± 8% +20.8% 2416507 iozone.4096KB_512reclen.bkwd_read 2038977 ± 7% +23.3% 2513544 iozone.4096KB_512reclen.fread 2306259 ± 3% +17.4% 2706704 iozone.4096KB_512reclen.freread 1211745 ± 2% +9.4% 1325812 ± 2% iozone.4096KB_512reclen.frewrite 1216376 ± 2% +8.7% 1322470 iozone.4096KB_512reclen.fwrite 2064557 ± 8% +25.4% 2589282 ± 2% iozone.4096KB_512reclen.random_read 1266517 ± 2% +10.4% 1398284 ± 2% iozone.4096KB_512reclen.random_write 2012963 ± 7% +22.2% 2459418 ± 3% iozone.4096KB_512reclen.read 1623508 ± 6% +13.8% 1847854 iozone.4096KB_512reclen.record_rewrite 1536223 +12.5% 1728891 ± 2% iozone.4096KB_512reclen.reread 1289620 ± 3% +9.2% 1407682 ± 2% iozone.4096KB_512reclen.rewrite 2146950 ± 10% +20.6% 2589602 ± 2% iozone.4096KB_512reclen.stride_read 571393 +6.1% 606443 iozone.4096KB_512reclen.write 2203229 ± 6% +15.9% 2554386 ± 4% iozone.4096KB_64reclen.fread 2340667 ± 2% +17.0% 2738457 ± 3% iozone.4096KB_64reclen.freread 954798 ± 3% +8.8% 1038845 ± 2% iozone.4096KB_64reclen.frewrite 2212855 ± 9% +19.8% 2650398 ± 3% iozone.4096KB_64reclen.read 1159666 ± 13% +14.9% 1332683 ± 3% iozone.4096KB_64reclen.rewrite 521865 ± 8% +10.7% 577471 iozone.4096KB_64reclen.write 1283254 ± 13% +20.9% 1551263 ± 4% iozone.512KB_16reclen.fread 2870650 ± 2% +4.5% 3000829 iozone.524288KB_1024reclen.read 117597 +5.4% 123902 iozone.524288KB_128reclen 3013761 +6.9% 3222718 iozone.524288KB_128reclen.bkwd_read 3155755 +6.4% 3359011 iozone.524288KB_128reclen.fread 3164186 +7.0% 3385374 iozone.524288KB_128reclen.freread 2914751 +7.5% 3133571 iozone.524288KB_128reclen.random_read 1458021 +3.5% 1509253 iozone.524288KB_128reclen.random_write 3159627 +7.4% 3392265 iozone.524288KB_128reclen.read 2100275 +5.2% 2209138 iozone.524288KB_128reclen.reread 2986349 +6.8% 3190782 iozone.524288KB_128reclen.stride_read 598433 +5.3% 630167 ± 2% iozone.524288KB_128reclen.write 119698 +4.1% 124553 iozone.524288KB_16384reclen 3043005 ± 4% +6.3% 3233565 iozone.524288KB_16384reclen.bkwd_read 3110455 +4.1% 3237483 iozone.524288KB_16384reclen.fread 3120843 +4.1% 3249355 iozone.524288KB_16384reclen.freread 1517379 +2.1% 1549574 iozone.524288KB_16384reclen.frewrite 1512333 +2.4% 1549246 iozone.524288KB_16384reclen.fwrite 3093346 +4.5% 3231739 iozone.524288KB_16384reclen.random_read 1774058 +2.8% 1824441 iozone.524288KB_16384reclen.random_write 2306162 ± 4% +7.4% 2477235 iozone.524288KB_16384reclen.record_rewrite 2122129 +3.5% 2196329 iozone.524288KB_16384reclen.reread 3101784 +4.6% 3245962 iozone.524288KB_16384reclen.stride_read 2140039 +5.4% 2256192 ± 2% iozone.524288KB_2048reclen.record_rewrite 119588 ± 2% +5.7% 126460 iozone.524288KB_256reclen 3101367 ± 4% +7.7% 3339631 iozone.524288KB_256reclen.bkwd_read 3222584 ± 2% +7.0% 3448160 iozone.524288KB_256reclen.freread 3083024 +5.9% 3265229 iozone.524288KB_256reclen.random_read 3226122 +6.9% 3447333 iozone.524288KB_256reclen.read 2116309 ± 2% +4.6% 2212768 iozone.524288KB_256reclen.reread 3081005 ± 4% +8.1% 3330737 ± 2% iozone.524288KB_256reclen.stride_read 595036 ± 2% +6.3% 632491 ± 2% iozone.524288KB_256reclen.write 2276110 +4.5% 2379150 iozone.524288KB_4096reclen.record_rewrite 641709 +2.9% 660512 ± 2% iozone.524288KB_4096reclen.write 109291 +4.3% 113969 iozone.524288KB_512reclen 2860477 +5.6% 3021886 iozone.524288KB_512reclen.bkwd_read 2910227 +4.6% 3045257 iozone.524288KB_512reclen.fread 2932664 +5.4% 3089684 iozone.524288KB_512reclen.freread 2831900 ± 2% +6.3% 3009651 iozone.524288KB_512reclen.random_read 1467759 +2.5% 1505049 iozone.524288KB_512reclen.random_write 2930312 +5.0% 3076201 iozone.524288KB_512reclen.read 1976542 +4.2% 2059683 iozone.524288KB_512reclen.reread 2887017 +5.1% 3035235 iozone.524288KB_512reclen.stride_read 107115 +4.1% 111516 iozone.524288KB_64reclen 2713299 +4.4% 2832815 iozone.524288KB_64reclen.bkwd_read 2943823 +3.8% 3055348 iozone.524288KB_64reclen.fread 2947601 +4.5% 3078866 iozone.524288KB_64reclen.freread 2585734 +5.3% 2722739 iozone.524288KB_64reclen.random_read 2974974 +5.0% 3123649 iozone.524288KB_64reclen.read 1881654 ± 5% +9.4% 2058584 ± 2% iozone.524288KB_64reclen.reread 2675816 +4.5% 2795740 iozone.524288KB_64reclen.stride_read 117051 ± 2% +4.9% 122824 iozone.524288KB_8192reclen 3030590 ± 2% +5.2% 3189373 iozone.524288KB_8192reclen.bkwd_read 3025447 ± 2% +5.7% 3196450 iozone.524288KB_8192reclen.fread 3040669 ± 2% +5.9% 3221419 iozone.524288KB_8192reclen.freread 1460601 +3.2% 1508034 iozone.524288KB_8192reclen.frewrite 1444897 ± 2% +4.3% 1506407 iozone.524288KB_8192reclen.fwrite 3018484 ± 2% +5.6% 3186212 iozone.524288KB_8192reclen.random_read 1725789 +3.6% 1787964 iozone.524288KB_8192reclen.random_write 2329494 ± 2% +4.7% 2440015 iozone.524288KB_8192reclen.record_rewrite 2981727 ± 5% +7.6% 3209344 iozone.524288KB_8192reclen.stride_read 1563814 ± 3% -17.4% 1292112 ± 12% iozone.64KB_32reclen.freread 672867 ± 13% +19.2% 802190 ± 3% iozone.64KB_4reclen.reread 378894 ± 8% -17.0% 314606 ± 12% iozone.64KB_8reclen.random_write 86443 ± 2% +8.7% 94001 ± 3% iozone.65536KB_1024reclen 2215929 ± 2% +13.3% 2509594 ± 3% iozone.65536KB_1024reclen.bkwd_read 2282324 ± 6% +13.8% 2596906 ± 3% iozone.65536KB_1024reclen.fread 2354970 ± 2% +10.5% 2601823 ± 3% iozone.65536KB_1024reclen.freread 2207151 +14.9% 2536563 iozone.65536KB_1024reclen.stride_read 1634698 +12.8% 1844422 ± 4% iozone.65536KB_128reclen.reread 551372 +13.4% 625338 iozone.65536KB_128reclen.write 104715 +13.8% 119201 ± 3% iozone.65536KB_16384reclen 2589612 ± 4% +18.1% 3059385 ± 4% iozone.65536KB_16384reclen.bkwd_read 2573885 ± 2% +19.3% 3069774 ± 2% iozone.65536KB_16384reclen.fread 2662966 +15.6% 3078450 ± 4% iozone.65536KB_16384reclen.freread 1729790 ± 2% +9.8% 1898632 iozone.65536KB_16384reclen.frewrite 2615144 ± 2% +17.9% 3084073 ± 2% iozone.65536KB_16384reclen.random_read 1618340 +9.2% 1766896 iozone.65536KB_16384reclen.random_write 2297109 ± 2% +15.8% 2660533 ± 5% iozone.65536KB_16384reclen.read 1958908 ± 2% +12.5% 2204025 ± 2% iozone.65536KB_16384reclen.record_rewrite 1849062 ± 5% +16.1% 2147344 ± 7% iozone.65536KB_16384reclen.reread 606927 +8.9% 660812 ± 3% iozone.65536KB_16384reclen.write 98998 +8.6% 107481 ± 2% iozone.65536KB_2048reclen 2532591 +10.3% 2793047 ± 3% iozone.65536KB_2048reclen.bkwd_read 2593780 +11.7% 2897999 ± 2% iozone.65536KB_2048reclen.fread 2598639 +13.1% 2939557 ± 2% iozone.65536KB_2048reclen.freread 1319443 +3.6% 1366284 ± 2% iozone.65536KB_2048reclen.frewrite 1302515 +3.8% 1352202 iozone.65536KB_2048reclen.fwrite 2491626 ± 2% +9.9% 2739474 iozone.65536KB_2048reclen.random_read 2465521 +10.6% 2726795 ± 2% iozone.65536KB_2048reclen.read 540308 ± 5% +9.5% 591623 ± 2% iozone.65536KB_2048reclen.write 103025 +14.2% 117660 ± 3% iozone.65536KB_256reclen 2623356 +17.8% 3089456 ± 3% iozone.65536KB_256reclen.bkwd_read 2565710 ± 4% +24.7% 3199774 ± 4% iozone.65536KB_256reclen.fread 2585336 ± 4% +25.9% 3254145 ± 3% iozone.65536KB_256reclen.freread 1119105 ± 3% +6.9% 1196093 iozone.65536KB_256reclen.frewrite 1141281 +6.7% 1217670 iozone.65536KB_256reclen.fwrite 2952912 ± 2% +5.8% 3122707 iozone.65536KB_256reclen.record_rewrite 1617097 +11.1% 1795790 ± 3% iozone.65536KB_256reclen.reread 2629638 +18.3% 3110352 ± 2% iozone.65536KB_256reclen.stride_read 538965 +14.2% 615277 ± 3% iozone.65536KB_256reclen.write 103110 +10.8% 114295 ± 2% iozone.65536KB_4096reclen 2609282 +14.5% 2988129 ± 2% iozone.65536KB_4096reclen.bkwd_read 2634703 +15.0% 3030388 iozone.65536KB_4096reclen.fread 2632038 +15.6% 3042452 iozone.65536KB_4096reclen.freread 1406443 +7.2% 1508201 iozone.65536KB_4096reclen.frewrite 1407847 +7.0% 1506899 iozone.65536KB_4096reclen.fwrite 1579742 +6.8% 1687193 ± 2% iozone.65536KB_4096reclen.random_write 2048843 +10.2% 2258170 iozone.65536KB_4096reclen.record_rewrite 2585888 +14.0% 2946899 iozone.65536KB_4096reclen.stride_read 81427 ± 4% +14.9% 93572 ± 5% iozone.65536KB_512reclen 1259367 +13.6% 1431259 ± 4% iozone.65536KB_512reclen.rewrite 499524 ± 5% +20.9% 603804 ± 3% iozone.65536KB_512reclen.write 95017 +7.6% 102243 ± 3% iozone.65536KB_64reclen 2514498 ± 2% +11.7% 2809287 ± 5% iozone.65536KB_64reclen.fread 2534920 +14.3% 2897574 ± 2% iozone.65536KB_64reclen.freread 2300150 +7.3% 2468682 ± 4% iozone.65536KB_64reclen.random_read 1220181 +4.7% 1277928 ± 2% iozone.65536KB_64reclen.random_write 2572142 +10.4% 2838698 ± 4% iozone.65536KB_64reclen.read 1557006 +15.7% 1801112 ± 3% iozone.65536KB_64reclen.reread 534147 +9.8% 586592 iozone.65536KB_64reclen.write 104612 +12.0% 117177 ± 2% iozone.65536KB_8192reclen 2644611 +14.0% 3015513 ± 3% iozone.65536KB_8192reclen.bkwd_read 1617271 +7.5% 1738637 ± 2% iozone.65536KB_8192reclen.random_write 2475236 ± 2% +13.3% 2804556 ± 3% iozone.65536KB_8192reclen.read 2046952 +12.7% 2307731 iozone.65536KB_8192reclen.record_rewrite 1775619 ± 7% +13.4% 2014391 ± 5% iozone.65536KB_8192reclen.reread 2571007 +19.5% 3073567 ± 3% iozone.65536KB_8192reclen.stride_read 602432 +9.6% 660203 ± 2% iozone.65536KB_8192reclen.write 91392 ± 4% +11.7% 102052 iozone.8192KB_1024reclen 2229562 ± 5% +14.7% 2558325 ± 2% iozone.8192KB_1024reclen.bkwd_read 2297224 ± 5% +14.4% 2628329 ± 2% iozone.8192KB_1024reclen.fread 2343204 ± 5% +15.3% 2700718 ± 2% iozone.8192KB_1024reclen.freread 1301548 ± 2% +6.6% 1387465 iozone.8192KB_1024reclen.frewrite 1296019 ± 2% +7.2% 1389199 iozone.8192KB_1024reclen.fwrite 2294408 ± 6% +13.6% 2606752 ± 2% iozone.8192KB_1024reclen.random_read 1366262 +7.9% 1473541 iozone.8192KB_1024reclen.random_write 2216423 ± 5% +14.3% 2533110 ± 2% iozone.8192KB_1024reclen.read 1760651 ± 3% +8.9% 1916891 iozone.8192KB_1024reclen.record_rewrite 1604886 +8.5% 1740553 iozone.8192KB_1024reclen.reread 1412467 +7.3% 1514931 iozone.8192KB_1024reclen.rewrite 2309001 ± 6% +13.9% 2629281 ± 2% iozone.8192KB_1024reclen.stride_read 599297 +6.5% 638051 iozone.8192KB_1024reclen.write 2231298 ± 12% +20.5% 2689824 ± 4% iozone.8192KB_128reclen.bkwd_read 2333157 ± 8% +21.1% 2824621 ± 4% iozone.8192KB_128reclen.fread 2581607 +15.7% 2986506 iozone.8192KB_128reclen.freread 1004574 ± 14% +13.3% 1138252 ± 2% iozone.8192KB_128reclen.fwrite 1348267 +8.1% 1457069 iozone.8192KB_128reclen.rewrite 2224823 ± 12% +20.3% 2676530 ± 4% iozone.8192KB_128reclen.stride_read 553169 ± 5% +10.6% 611765 iozone.8192KB_128reclen.write 62854 +5.4% 66276 iozone.8192KB_16reclen 1489714 +4.9% 1563024 iozone.8192KB_16reclen.bkwd_read 1706402 +5.9% 1807913 ± 2% iozone.8192KB_16reclen.fread 1728562 +8.6% 1877784 iozone.8192KB_16reclen.freread 796701 +4.2% 830203 iozone.8192KB_16reclen.frewrite 1396671 +5.7% 1476216 iozone.8192KB_16reclen.random_read 1775543 +6.8% 1895894 ± 2% iozone.8192KB_16reclen.read 887325 +4.9% 930543 iozone.8192KB_16reclen.rewrite 1425033 ± 2% +5.3% 1500640 ± 2% iozone.8192KB_16reclen.stride_read 440370 +6.4% 468496 iozone.8192KB_16reclen.write 92008 ± 6% +16.0% 106715 iozone.8192KB_2048reclen 2171791 ± 10% +22.1% 2650674 iozone.8192KB_2048reclen.bkwd_read 2235355 ± 8% +21.1% 2707051 ± 2% iozone.8192KB_2048reclen.fread 2474685 +11.8% 2766801 ± 2% iozone.8192KB_2048reclen.freread 1563794 ± 3% +8.5% 1696008 iozone.8192KB_2048reclen.frewrite 1537540 ± 4% +9.4% 1681981 ± 2% iozone.8192KB_2048reclen.fwrite 2215164 ± 11% +22.0% 2702674 ± 2% iozone.8192KB_2048reclen.random_read 1350504 ± 14% +14.3% 1544233 iozone.8192KB_2048reclen.random_write 1985127 ± 8% +21.2% 2406658 ± 2% iozone.8192KB_2048reclen.read 1666468 ± 11% +16.2% 1936552 ± 2% iozone.8192KB_2048reclen.record_rewrite 1662575 ± 7% +12.5% 1870368 iozone.8192KB_2048reclen.reread 1483279 +7.5% 1595247 iozone.8192KB_2048reclen.rewrite 2226502 ± 8% +20.1% 2674971 ± 2% iozone.8192KB_2048reclen.stride_read 613279 +7.5% 659029 iozone.8192KB_2048reclen.write 2467384 ± 3% +18.3% 2918876 ± 2% iozone.8192KB_256reclen.freread 1023535 ± 16% +16.2% 1189378 ± 2% iozone.8192KB_256reclen.fwrite 1313591 ± 3% +9.8% 1442721 iozone.8192KB_256reclen.rewrite 563328 +6.7% 601070 iozone.8192KB_256reclen.write 1881319 ± 2% +8.1% 2032768 ± 3% iozone.8192KB_32reclen.bkwd_read 2033788 ± 3% +12.1% 2280693 ± 3% iozone.8192KB_32reclen.fread 2134850 ± 2% +12.2% 2394874 ± 2% iozone.8192KB_32reclen.freread 962261 ± 2% +7.7% 1036642 iozone.8192KB_32reclen.frewrite 954182 ± 3% +8.4% 1034384 iozone.8192KB_32reclen.fwrite 1102607 +7.4% 1184362 iozone.8192KB_32reclen.rewrite 1823530 ± 2% +8.7% 1982272 ± 3% iozone.8192KB_32reclen.stride_read 509340 +6.7% 543661 iozone.8192KB_32reclen.write 99041 ± 3% +11.8% 110690 ± 2% iozone.8192KB_4096reclen 2364535 ± 5% +14.0% 2694849 iozone.8192KB_4096reclen.bkwd_read 2382829 ± 5% +15.7% 2756024 iozone.8192KB_4096reclen.fread 2509144 +13.6% 2850221 ± 2% iozone.8192KB_4096reclen.freread 2297341 ± 4% +7.7% 2474622 iozone.8192KB_4096reclen.frewrite 2425042 ± 6% +14.9% 2787000 iozone.8192KB_4096reclen.random_read 1510923 ± 2% +6.9% 1614523 iozone.8192KB_4096reclen.random_write 1946138 ± 3% +10.9% 2158545 ± 2% iozone.8192KB_4096reclen.read 1722935 ± 2% +8.3% 1866497 iozone.8192KB_4096reclen.record_rewrite 1929090 ± 2% +11.1% 2144122 ± 2% iozone.8192KB_4096reclen.reread 1556462 +6.0% 1650498 iozone.8192KB_4096reclen.rewrite 2379675 ± 5% +13.4% 2698677 ± 3% iozone.8192KB_4096reclen.stride_read 623728 +6.8% 665932 iozone.8192KB_4096reclen.write 699556 +4.2% 729011 iozone.8192KB_4reclen.bkwd_read 882363 +4.8% 924736 iozone.8192KB_4reclen.fread 890904 +3.9% 925555 ± 2% iozone.8192KB_4reclen.freread 393916 +3.3% 406755 iozone.8192KB_4reclen.frewrite 396085 +2.9% 407650 iozone.8192KB_4reclen.fwrite 369419 +2.7% 379521 iozone.8192KB_4reclen.random_write 680661 +3.8% 706864 iozone.8192KB_4reclen.stride_read 255445 +3.1% 263338 iozone.8192KB_4reclen.write 2355101 ± 2% +14.0% 2683648 ± 3% iozone.8192KB_512reclen.freread 1181950 ± 3% +5.5% 1247279 ± 2% iozone.8192KB_512reclen.frewrite 1334481 +7.1% 1429476 iozone.8192KB_512reclen.rewrite 575480 +6.1% 610820 iozone.8192KB_512reclen.write 2252006 ± 10% +18.8% 2676414 ± 3% iozone.8192KB_64reclen.fread 2409514 +14.5% 2758233 iozone.8192KB_64reclen.freread 939309 ± 16% +12.6% 1058047 ± 2% iozone.8192KB_64reclen.frewrite 1257652 +6.6% 1340919 iozone.8192KB_64reclen.rewrite 2112002 ± 10% +14.8% 2425002 ± 3% iozone.8192KB_64reclen.stride_read 550133 +7.4% 591016 iozone.8192KB_64reclen.write 99917 ± 3% +13.9% 113789 iozone.8192KB_8192reclen 2445483 ± 6% +17.2% 2865662 iozone.8192KB_8192reclen.bkwd_read 2487272 ± 6% +17.2% 2915482 iozone.8192KB_8192reclen.fread 2613065 +15.7% 3023319 ± 2% iozone.8192KB_8192reclen.freread 1576732 ± 2% +7.6% 1696724 ± 2% iozone.8192KB_8192reclen.frewrite 1565844 ± 3% +8.9% 1704928 iozone.8192KB_8192reclen.fwrite 2520021 ± 6% +17.9% 2971201 iozone.8192KB_8192reclen.random_read 1554039 +7.8% 1675145 ± 2% iozone.8192KB_8192reclen.random_write 1603125 +12.0% 1796290 ± 5% iozone.8192KB_8192reclen.read 1574543 +7.7% 1696538 iozone.8192KB_8192reclen.record_rewrite 2537066 ± 6% +18.5% 3007116 iozone.8192KB_8192reclen.reread 1594371 +9.2% 1741839 ± 2% iozone.8192KB_8192reclen.rewrite 2485671 ± 6% +17.5% 2920709 iozone.8192KB_8192reclen.stride_read 621936 +6.1% 659941 iozone.8192KB_8192reclen.write 1078997 +5.6% 1139110 ± 2% iozone.8192KB_8reclen.bkwd_read 1331560 +5.8% 1408239 ± 2% iozone.8192KB_8reclen.fread 1338111 +6.9% 1430146 ± 2% iozone.8192KB_8reclen.freread 593216 +4.3% 618632 iozone.8192KB_8reclen.frewrite 596778 +3.6% 618424 iozone.8192KB_8reclen.fwrite 1072094 +3.4% 1108992 iozone.8192KB_8reclen.stride_read 351614 +4.7% 368145 iozone.8192KB_8reclen.write 797088 +8.1% 861347 iozone.average_KBps 18738996 +9.5% 20524665 iozone.bkwd_read_KBps 19970729 +9.8% 21930659 iozone.fread_KBps 21552078 +10.5% 23816800 iozone.freread_KBps 10644141 +4.3% 11106534 iozone.frewrite_KBps 10100127 +4.9% 10595829 iozone.fwrite_KBps 20267241 +8.9% 22074962 iozone.random_read_KBps 10940950 +5.1% 11500860 iozone.random_write_KBps 20282409 +9.5% 22206002 iozone.read_KBps 16602195 +5.1% 17454139 iozone.record_rewrite_KBps 15767640 ± 2% +8.5% 17100710 iozone.reread_KBps 11387716 +4.7% 11924058 iozone.rewrite_KBps 19772278 +9.7% 21684321 iozone.stride_read_KBps 691.26 -1.3% 682.00 iozone.time.elapsed_time 691.26 -1.3% 682.00 iozone.time.elapsed_time.max 26.50 -5.1% 25.14 iozone.time.percent_of_cpu_this_job_got 177.64 -5.7% 167.51 iozone.time.system_time 4839784 +6.2% 5140041 iozone.write_KBps 2.76 ± 2% -15.1% 2.34 ± 16% turbostat.RAMWatt 138200 +1.3% 140064 vmstat.io.bo 55599 ± 4% -10.1% 49979 ± 2% numa-vmstat.node0.nr_dirty 113220 ± 3% -6.1% 106340 ± 2% numa-vmstat.node0.nr_zone_write_pending 222954 ± 4% -10.1% 200439 ± 3% numa-meminfo.node0.Dirty 4758387 +85.3% 8819024 numa-meminfo.node0.MemUsed 20198 ± 4% +31.2% 26496 ± 16% numa-meminfo.node1.MemUsed 1594588 ± 7% -34.9% 1037824 ± 9% meminfo.DirectMap4k 222864 ± 4% -9.7% 201342 ± 3% meminfo.Dirty 4780077 +85.0% 8845358 meminfo.Memused 5687337 +66.2% 9452685 meminfo.max_used_kB 24564 ±102% -94.6% 1338 ±100% softirqs.CPU12.NET_RX 946.17 ± 87% +2951.2% 28869 ±132% softirqs.CPU13.NET_RX 56526 ± 10% -18.7% 45956 ± 25% softirqs.CPU148.SCHED 59442 -16.4% 49670 ± 23% softirqs.CPU161.SCHED 60019 -24.3% 45419 ± 25% softirqs.CPU84.SCHED 55506 ± 4% -9.3% 50362 ± 3% proc-vmstat.nr_dirty 2550995 -4.0% 2449217 proc-vmstat.nr_dirty_background_threshold 5108229 -4.0% 4904423 proc-vmstat.nr_dirty_threshold 25573835 -4.0% 24557204 proc-vmstat.nr_free_pages 113615 ± 2% -6.2% 106591 ± 2% proc-vmstat.nr_zone_write_pending 1978996 -1.3% 1953347 proc-vmstat.pgfault 0.05 ± 10% -14.6% 0.04 ± 8% perf-sched.sch_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.__x64_sys_nanosleep.do_syscall_64 0.09 ± 19% +25732.3% 23.64 ±242% perf-sched.sch_delay.max.ms.preempt_schedule_common.__cond_resched.mempool_alloc.bio_alloc_bioset.bio_clone_fast 19.80 ± 78% -42.9% 11.30 perf-sched.sch_delay.max.ms.schedule_timeout.wait_for_completion.__flush_work.xlog_cil_force_lsn 0.14 ± 64% -50.1% 0.07 ± 23% perf-sched.sch_delay.max.ms.schedule_timeout.xfsaild.kthread.ret_from_fork 31.66 ± 14% +26.1% 39.94 ± 15% perf-sched.wait_time.avg.ms.schedule_timeout.wait_for_completion.__flush_work.xlog_cil_force_lsn 196.67 ± 11% +45.2% 285.50 ± 18% perf-sched.wait_time.max.ms.schedule_timeout.io_schedule_timeout.wait_for_completion_io.submit_bio_wait 188.13 ± 10% +40.3% 264.00 ± 20% perf-sched.wait_time.max.ms.schedule_timeout.wait_for_completion.__flush_work.xlog_cil_force_lsn 11.17 +0.3 11.45 perf-profile.calltrace.cycles-pp.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt 0.11 ± 44% -0.1 0.05 ± 44% perf-profile.children.cycles-pp.filemap_get_read_batch 0.11 ± 42% -0.1 0.06 ± 45% perf-profile.children.cycles-pp.filemap_get_pages 0.53 ± 4% -0.0 0.49 ± 5% perf-profile.children.cycles-pp.__hrtimer_get_next_event 41340 ±102% -94.4% 2318 ±114% interrupts.32:IR-PCI-MSI.2621441-edge.eth0-TxRx-0 1602 ± 87% +3003.9% 49744 ±139% interrupts.33:IR-PCI-MSI.2621442-edge.eth0-TxRx-1 1703 ± 44% +77.4% 3022 ± 35% interrupts.CPU119.CAL:Function_call_interrupts 41340 ±102% -94.4% 2318 ±114% interrupts.CPU12.32:IR-PCI-MSI.2621441-edge.eth0-TxRx-0 1602 ± 87% +3003.9% 49744 ±139% interrupts.CPU13.33:IR-PCI-MSI.2621442-edge.eth0-TxRx-1 453.00 ± 45% -53.8% 209.14 ± 17% interrupts.CPU17.NMI:Non-maskable_interrupts 453.00 ± 45% -53.8% 209.14 ± 17% interrupts.CPU17.PMI:Performance_monitoring_interrupts 1453 ± 24% +121.4% 3219 ± 41% interrupts.CPU182.CAL:Function_call_interrupts 317.33 ± 31% -32.9% 212.86 ± 2% interrupts.CPU213.NMI:Non-maskable_interrupts 317.33 ± 31% -32.9% 212.86 ± 2% interrupts.CPU213.PMI:Performance_monitoring_interrupts 332.33 ± 36% -30.1% 232.43 ± 30% interrupts.CPU51.NMI:Non-maskable_interrupts 332.33 ± 36% -30.1% 232.43 ± 30% interrupts.CPU51.PMI:Performance_monitoring_interrupts 2550 ± 15% +112.1% 5410 ± 63% interrupts.CPU54.CAL:Function_call_interrupts 1768 ± 22% +165.3% 4693 ± 37% interrupts.CPU55.CAL:Function_call_interrupts iozone.average_KBps 920000 +------------------------------------------------------------------+ | | 900000 |-+ OOO | 880000 |-+ O | | OOO O OO O O | 860000 |-+O OO O OOO O OO O O OO O O | |O O O O O O O O | 840000 |-+ + | | + : + + | 820000 |-+ :: : : ++ : +.+ :: + | 800000 |-+ + + : + +.+ +.++ +.+ +. + + : +: : : : + :: ++. | |+. +: + :: + :: :: + +.+ + : + + : + +: +. : +| 780000 |-++ :+ + + + +.+ : + + ++ | | + +.+ | 760000 +------------------------------------------------------------------+ iozone.16384KB_1024reclen.freread 3e+06 +-----------------------------------------------------------------+ | O OO O O O O O | 2.8e+06 |O+ O O O OOOO O O O OOO O O O | | OO O O O O O O O O | | | 2.6e+06 |-+ + +. | | + :: +. + + + +. ++ + + + | 2.4e+06 |+. ++ .++ +.+ +.+ + ++++.+++ + + .+ + :+ +. : + + +.++ +.+| | + + + + + +: : ++ | 2.2e+06 |-+ : : | | :: | | : | 2e+06 |-+ + | | | 1.8e+06 +-----------------------------------------------------------------+ iozone.16384KB_4096reclen.freread 3.1e+06 +-----------------------------------------------------------------+ | O O O | 3e+06 |-+O OO OO O O O O O O O O OO | | OO O O OO O OO OO O | 2.9e+06 |-+ O O O O | 2.8e+06 |-+ | | | 2.7e+06 |-+ | | + + + +. + | 2.6e+06 |-+ :: .+ + : :+ +.+ + + :: .+| 2.5e+06 |-+ + + + : +. ++ : :+ ++. +. : + : : : +. +++ | |+. :+ + + +.+ ++ ++ ++ ++ ++++ +.+: + + | 2.4e+06 |-++ + + | |O | 2.3e+06 +-----------------------------------------------------------------+ iozone.32768KB_64reclen.freread 3.2e+06 +-----------------------------------------------------------------+ 3.1e+06 |-+ O | | OOO O O O O | 3e+06 |O+O OO OO OOO O O O O O O O O OO | 2.9e+06 |-+ OO O OOO O O O | | | 2.8e+06 |-+ | 2.7e+06 |-+ | 2.6e+06 |-+ + + +. + | | + : + .+ +. +. .+ ++ + + + :+. | 2.5e+06 |+.++ ++ +.+ :.+ :+ ++ +++ + .+ ++ + : + : + ++.+| 2.4e+06 |-+ + + + + ++ + : + + + | | + + : | 2.3e+06 |-+ + | 2.2e+06 +-----------------------------------------------------------------+ iozone.32768KB_2048reclen.freread 3.1e+06 +-----------------------------------------------------------------+ | O O | 3e+06 |-+ O O O O O O | | OO OOO OO OOO O OO O O O OO | 2.9e+06 |-+O O O O O OO OO | 2.8e+06 |-+ | | | 2.7e+06 |-+ | | + + | 2.6e+06 |-+ + :: + + +: + .+ +.+ +. | 2.5e+06 |-+ ++ .+ : : +. + +: :: +. + ::: + ++ :++. : +| |+.+ + + :.+ ++ + :+ : ++ +++.+++ + +. : + ++: | 2.4e+06 |-+ + + + ++ + | | | 2.3e+06 +-----------------------------------------------------------------+ iozone.32768KB_8192reclen.freread 3.2e+06 +-----------------------------------------------------------------+ | O O OO O O O O | 3e+06 |-+ OO OOO O OO OO OO OO O OO | |O O O O O O O | | | 2.8e+06 |-+ | | O + + .+ + +.+ | 2.6e+06 |-.+++ .++ + :+.+ ++.++++.++++. + .+ + ::+. +.+++ +++.++++.+| |+ + : : + + + + : + ++ | 2.4e+06 |-+ : : + | | :: | | :: | 2.2e+06 |-+ : | | + | 2e+06 +-----------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. --- 0DAY/LKP+ Test Infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation Thanks, Oliver Sang