FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 07d2413a61db6500f58e614e873eed79d7f2ed72 ("locking/mutex: In mutex_spin_on_owner(), return true when owner changes") testbox/testcase/testparams: lituya/unixbench/performance-fsdisk d6abfdb2022368d8 07d2413a61db6500f58e614e87 ---------------- -------------------------- %stddev %change %stddev \ | \ 10131 ± 1% -3.6% 9770 ± 0% unixbench.score 1049 ± 18% +60.8% 1687 ± 0% unixbench.time.system_time 7144 ± 30% +203.6% 21686 ± 3% unixbench.time.involuntary_context_switches 24573900 ± 19% -93.9% 1497516 ± 8% unixbench.time.voluntary_context_switches 369 ± 18% +59.5% 589 ± 0% unixbench.time.percent_of_cpu_this_job_got 3849 ± 5% -17.9% 3159 ± 0% uptime.idle 4060 ± 0% +25.3% 5087 ± 20% meminfo.AnonHugePages 3 ± 23% +66.7% 5 ± 0% vmstat.procs.r 174876 ± 18% -90.7% 16282 ± 5% vmstat.system.cs 87032 ± 9% -48.9% 44484 ± 2% softirqs.RCU 213221 ± 5% -79.7% 43210 ± 0% softirqs.SCHED 551372 ± 17% +60.8% 886553 ± 0% softirqs.TIMER 7144 ± 30% +203.6% 21686 ± 3% time.involuntary_context_switches 369 ± 18% +59.5% 589 ± 0% time.percent_of_cpu_this_job_got 1049 ± 18% +60.8% 1687 ± 0% time.system_time 24573900 ± 19% -93.9% 1497516 ± 8% time.voluntary_context_switches 23.55 ± 17% +57.3% 37.05 ± 0% turbostat.%Busy 779 ± 17% +57.1% 1223 ± 0% turbostat.Avg_MHz 22.32 ± 18% -61.6% 8.56 ± 4% turbostat.CPU%c1 42.53 ± 2% +5.6% 44.92 ± 0% turbostat.PkgWatt 0.57 ± 7% +7.5% 0.61 ± 1% turbostat.RAMWatt 21474227 ± 18% -93.7% 1361886 ± 8% cpuidle.C1-HSW.usage 6.755e+08 ± 27% -89.6% 70473442 ± 17% cpuidle.C1-HSW.time 26571 ± 25% -92.8% 1917 ± 4% cpuidle.C3-HSW.usage 117581 ± 21% -64.5% 41794 ± 1% cpuidle.C6-HSW.usage 1439 ± 28% -88.0% 173 ± 43% cpuidle.POLL.time 524 ± 17% -90.9% 47 ± 24% cpuidle.POLL.usage 4546 ± 15% +46.3% 6651 ± 2% sched_debug.cfs_rq[0]:/.tg->runnable_avg 246 ± 25% +55.4% 382 ± 2% sched_debug.cfs_rq[0]:/.tg_runnable_contrib 157742 ± 23% +129.0% 361183 ± 6% sched_debug.cfs_rq[0]:/.min_vruntime 15438 ± 14% +63.1% 25172 ± 9% sched_debug.cfs_rq[0]:/.exec_clock 11297 ± 25% +54.9% 17499 ± 2% sched_debug.cfs_rq[0]:/.avg->runnable_avg_sum 4559 ± 15% +46.3% 6669 ± 2% sched_debug.cfs_rq[10]:/.tg->runnable_avg 9 ± 35% +84.2% 17 ± 15% sched_debug.cfs_rq[10]:/.runnable_load_avg 11563 ± 18% +57.7% 18232 ± 10% sched_debug.cfs_rq[10]:/.avg->runnable_avg_sum 12727 ± 13% +73.8% 22116 ± 4% sched_debug.cfs_rq[10]:/.exec_clock 251 ± 18% +58.1% 397 ± 10% sched_debug.cfs_rq[10]:/.tg_runnable_contrib 152419 ± 21% +131.9% 353450 ± 4% sched_debug.cfs_rq[10]:/.min_vruntime 4559 ± 15% +46.3% 6669 ± 2% sched_debug.cfs_rq[11]:/.tg->runnable_avg 66 ± 19% -73.1% 17 ± 30% sched_debug.cfs_rq[12]:/.runnable_load_avg 4560 ± 15% +46.3% 6672 ± 2% sched_debug.cfs_rq[12]:/.tg->runnable_avg 78 ± 22% -75.1% 19 ± 31% sched_debug.cfs_rq[12]:/.load 151608 ± 21% +158.0% 391137 ± 20% sched_debug.cfs_rq[13]:/.min_vruntime 272 ± 23% +58.3% 431 ± 11% sched_debug.cfs_rq[13]:/.tg_runnable_contrib 12552 ± 13% +119.5% 27556 ± 37% sched_debug.cfs_rq[13]:/.exec_clock 4557 ± 15% +46.4% 6674 ± 2% sched_debug.cfs_rq[13]:/.tg->runnable_avg 12507 ± 23% +58.0% 19763 ± 11% sched_debug.cfs_rq[13]:/.avg->runnable_avg_sum 314 ± 8% +49.8% 471 ± 28% sched_debug.cfs_rq[14]:/.tg_runnable_contrib 4558 ± 15% +46.4% 6675 ± 2% sched_debug.cfs_rq[14]:/.tg->runnable_avg 152171 ± 21% +187.6% 437699 ± 32% sched_debug.cfs_rq[14]:/.min_vruntime 14442 ± 8% +49.7% 21618 ± 28% sched_debug.cfs_rq[14]:/.avg->runnable_avg_sum 11538 ± 16% +51.7% 17502 ± 1% sched_debug.cfs_rq[15]:/.avg->runnable_avg_sum 252 ± 16% +51.6% 382 ± 0% sched_debug.cfs_rq[15]:/.tg_runnable_contrib 152080 ± 21% +132.5% 353587 ± 4% sched_debug.cfs_rq[15]:/.min_vruntime 4560 ± 15% +46.4% 6675 ± 2% sched_debug.cfs_rq[15]:/.tg->runnable_avg 13692 ± 10% +71.8% 23520 ± 4% sched_debug.cfs_rq[15]:/.exec_clock 12631 ± 21% +59.3% 20127 ± 17% sched_debug.cfs_rq[1]:/.avg->runnable_avg_sum 10 ± 27% +166.7% 28 ± 33% sched_debug.cfs_rq[1]:/.runnable_load_avg 275 ± 21% +59.2% 438 ± 17% sched_debug.cfs_rq[1]:/.tg_runnable_contrib 4548 ± 15% +46.2% 6651 ± 2% sched_debug.cfs_rq[1]:/.tg->runnable_avg 166428 ± 20% +136.5% 393659 ± 14% sched_debug.cfs_rq[1]:/.min_vruntime 14633 ± 11% +100.7% 29361 ± 34% sched_debug.cfs_rq[1]:/.exec_clock 4547 ± 15% +46.3% 6653 ± 2% sched_debug.cfs_rq[2]:/.tg->runnable_avg 170439 ± 20% +114.8% 366033 ± 3% sched_debug.cfs_rq[2]:/.min_vruntime 11846 ± 18% +57.9% 18702 ± 6% sched_debug.cfs_rq[2]:/.avg->runnable_avg_sum 15344 ± 14% +58.9% 24380 ± 2% sched_debug.cfs_rq[2]:/.exec_clock 258 ± 18% +57.9% 408 ± 6% sched_debug.cfs_rq[2]:/.tg_runnable_contrib 168070 ± 16% +114.7% 360822 ± 4% sched_debug.cfs_rq[3]:/.min_vruntime 11531 ± 18% +51.7% 17496 ± 1% sched_debug.cfs_rq[3]:/.avg->runnable_avg_sum 251 ± 18% +52.3% 383 ± 1% sched_debug.cfs_rq[3]:/.tg_runnable_contrib 388 ± 29% -68.0% 124 ± 25% sched_debug.cfs_rq[3]:/.tg_load_contrib 365 ± 30% -72.7% 99 ± 33% sched_debug.cfs_rq[3]:/.blocked_load_avg 4548 ± 15% +46.3% 6655 ± 2% sched_debug.cfs_rq[3]:/.tg->runnable_avg 14874 ± 7% +57.8% 23470 ± 4% sched_debug.cfs_rq[3]:/.exec_clock 247 ± 12% +55.3% 383 ± 3% sched_debug.cfs_rq[4]:/.tg_runnable_contrib 11274 ± 12% +56.0% 17584 ± 3% sched_debug.cfs_rq[4]:/.avg->runnable_avg_sum 4549 ± 15% +46.3% 6657 ± 2% sched_debug.cfs_rq[4]:/.tg->runnable_avg 14121 ± 9% +65.6% 23381 ± 4% sched_debug.cfs_rq[4]:/.exec_clock 160686 ± 17% +124.3% 360493 ± 4% sched_debug.cfs_rq[4]:/.min_vruntime 11730 ± 14% +73.2% 20318 ± 17% sched_debug.cfs_rq[5]:/.avg->runnable_avg_sum 4550 ± 15% +46.3% 6658 ± 2% sched_debug.cfs_rq[5]:/.tg->runnable_avg 161214 ± 21% +173.5% 440993 ± 37% sched_debug.cfs_rq[5]:/.min_vruntime 256 ± 14% +73.0% 443 ± 17% sched_debug.cfs_rq[5]:/.tg_runnable_contrib 4550 ± 15% +46.4% 6662 ± 2% sched_debug.cfs_rq[6]:/.tg->runnable_avg 14431 ± 13% +31.6% 18997 ± 9% sched_debug.cfs_rq[6]:/.avg->runnable_avg_sum 187106 ± 33% +97.8% 370045 ± 5% sched_debug.cfs_rq[6]:/.min_vruntime 314 ± 13% +32.0% 415 ± 9% sched_debug.cfs_rq[6]:/.tg_runnable_contrib 13 ± 35% +132.1% 30 ± 40% sched_debug.cfs_rq[7]:/.runnable_load_avg 161563 ± 22% +124.0% 361967 ± 3% sched_debug.cfs_rq[7]:/.min_vruntime 4552 ± 15% +46.4% 6663 ± 2% sched_debug.cfs_rq[7]:/.tg->runnable_avg 257 ± 16% +48.4% 381 ± 2% sched_debug.cfs_rq[7]:/.tg_runnable_contrib 3 ± 13% -53.8% 1 ± 33% sched_debug.cfs_rq[7]:/.nr_spread_over 14448 ± 18% +63.8% 23661 ± 2% sched_debug.cfs_rq[7]:/.exec_clock 11755 ± 16% +48.6% 17474 ± 2% sched_debug.cfs_rq[7]:/.avg->runnable_avg_sum 4554 ± 15% +46.3% 6665 ± 2% sched_debug.cfs_rq[8]:/.tg->runnable_avg 4557 ± 15% +46.3% 6667 ± 2% sched_debug.cfs_rq[9]:/.tg->runnable_avg 192062 ± 47% +83.6% 352649 ± 4% sched_debug.cfs_rq[9]:/.min_vruntime 14 ± 36% +58.9% 22 ± 10% sched_debug.cpu#0.cpu_load[3] 13 ± 37% +66.7% 22 ± 7% sched_debug.cpu#0.cpu_load[4] 13 ± 35% +61.1% 21 ± 11% sched_debug.cpu#0.cpu_load[2] 873975 ± 12% -75.4% 215052 ± 24% sched_debug.cpu#1.sched_count 16 ± 4% +84.4% 29 ± 39% sched_debug.cpu#1.cpu_load[1] 15 ± 17% +98.4% 30 ± 35% sched_debug.cpu#1.cpu_load[4] 873936 ± 12% -75.4% 214989 ± 24% sched_debug.cpu#1.nr_switches 436585 ± 12% -75.5% 106889 ± 24% sched_debug.cpu#1.sched_goidle 564 ± 33% +106.4% 1165 ± 7% sched_debug.cpu#1.curr->pid 15 ± 14% +95.2% 30 ± 35% sched_debug.cpu#1.cpu_load[3] 465895 ± 8% -77.2% 106210 ± 24% sched_debug.cpu#1.ttwu_count 15 ± 7% +91.9% 29 ± 37% sched_debug.cpu#1.cpu_load[2] 15 ± 29% +50.8% 23 ± 9% sched_debug.cpu#10.cpu_load[3] 315517 ± 11% -94.0% 18947 ± 11% sched_debug.cpu#10.sched_goidle 336250 ± 12% -94.0% 20238 ± 12% sched_debug.cpu#10.ttwu_count 631593 ± 11% -93.9% 38620 ± 11% sched_debug.cpu#10.sched_count 631561 ± 11% -93.9% 38572 ± 11% sched_debug.cpu#10.nr_switches 556 ± 20% +93.0% 1074 ± 17% sched_debug.cpu#10.curr->pid 14 ± 28% +57.6% 23 ± 8% sched_debug.cpu#10.cpu_load[4] 341057 ± 11% -94.1% 20223 ± 8% sched_debug.cpu#11.ttwu_count 623922 ± 9% -93.7% 39166 ± 9% sched_debug.cpu#11.sched_count 311611 ± 9% -93.9% 19080 ± 9% sched_debug.cpu#11.sched_goidle 623869 ± 9% -93.7% 39116 ± 9% sched_debug.cpu#11.nr_switches 338493 ± 10% -94.2% 19504 ± 7% sched_debug.cpu#12.sched_goidle 55 ± 30% -53.4% 26 ± 16% sched_debug.cpu#12.cpu_load[1] 71 ± 17% -59.4% 29 ± 28% sched_debug.cpu#12.cpu_load[0] 79 ± 23% -75.5% 19 ± 31% sched_debug.cpu#12.load 677539 ± 10% -94.1% 40155 ± 7% sched_debug.cpu#12.nr_switches 280203 ± 33% -92.6% 20836 ± 9% sched_debug.cpu#12.ttwu_count 677589 ± 10% -94.1% 40202 ± 7% sched_debug.cpu#12.sched_count 509 ± 22% +55.6% 793 ± 15% sched_debug.cpu#12.ttwu_local 19 ± 14% +163.6% 50 ± 32% sched_debug.cpu#13.cpu_load[1] 24 ± 16% +176.3% 67 ± 36% sched_debug.cpu#13.cpu_load[0] 17 ± 18% +138.2% 40 ± 24% sched_debug.cpu#13.cpu_load[2] 646767 ± 13% -94.2% 37618 ± 11% sched_debug.cpu#13.sched_count 709 ± 37% +125.3% 1598 ± 23% sched_debug.cpu#13.curr->pid 646735 ± 13% -94.2% 37563 ± 11% sched_debug.cpu#13.nr_switches 15 ± 19% +104.8% 31 ± 23% sched_debug.cpu#13.cpu_load[4] 16 ± 19% +117.2% 34 ± 21% sched_debug.cpu#13.cpu_load[3] 327419 ± 14% -93.9% 20012 ± 9% sched_debug.cpu#13.ttwu_count 323068 ± 13% -94.3% 18422 ± 11% sched_debug.cpu#13.sched_goidle 674567 ± 13% -93.6% 43222 ± 11% sched_debug.cpu#14.sched_count 750 ± 30% +90.8% 1432 ± 15% sched_debug.cpu#14.curr->pid 478 ± 22% +33.9% 640 ± 21% sched_debug.cpu#14.ttwu_local 339046 ± 13% -93.9% 20669 ± 7% sched_debug.cpu#14.ttwu_count 336995 ± 13% -93.7% 21107 ± 11% sched_debug.cpu#14.sched_goidle 674534 ± 13% -93.6% 43164 ± 11% sched_debug.cpu#14.nr_switches 19 ± 12% +45.6% 28 ± 18% sched_debug.cpu#15.cpu_load[1] 299069 ± 13% -93.4% 19783 ± 5% sched_debug.cpu#15.sched_goidle 813 ± 42% +65.5% 1346 ± 6% sched_debug.cpu#15.curr->pid 580735 ± 3% +11.3% 646611 ± 4% sched_debug.cpu#15.avg_idle 331682 ± 14% -93.7% 20957 ± 7% sched_debug.cpu#15.ttwu_count 599051 ± 13% -93.2% 41010 ± 5% sched_debug.cpu#15.sched_count 14 ± 15% +69.5% 25 ± 5% sched_debug.cpu#15.cpu_load[4] 15 ± 12% +71.7% 25 ± 7% sched_debug.cpu#15.cpu_load[3] 16 ± 10% +62.1% 26 ± 11% sched_debug.cpu#15.cpu_load[2] 817 ± 11% +61.3% 1318 ± 17% sched_debug.cpu#15.ttwu_local 599015 ± 13% -93.2% 40958 ± 5% sched_debug.cpu#15.nr_switches 1009949 ± 27% -63.0% 373861 ± 42% sched_debug.cpu#2.sched_count 15 ± 16% +54.0% 24 ± 14% sched_debug.cpu#2.cpu_load[1] 1009909 ± 27% -63.0% 373802 ± 42% sched_debug.cpu#2.nr_switches 14 ± 18% +61.0% 23 ± 10% sched_debug.cpu#2.cpu_load[2] 504627 ± 27% -63.1% 186448 ± 42% sched_debug.cpu#2.sched_goidle 14 ± 20% +63.8% 23 ± 8% sched_debug.cpu#2.cpu_load[3] 534870 ± 25% -64.9% 187727 ± 42% sched_debug.cpu#2.ttwu_count 14 ± 23% +66.7% 23 ± 6% sched_debug.cpu#2.cpu_load[4] 16 ± 24% +62.5% 26 ± 19% sched_debug.cpu#2.cpu_load[0] 462676 ± 24% -76.7% 107823 ± 47% sched_debug.cpu#3.sched_goidle 926031 ± 24% -76.6% 217084 ± 47% sched_debug.cpu#3.sched_count 494298 ± 23% -78.2% 107584 ± 46% sched_debug.cpu#3.ttwu_count 18 ± 6% +18.9% 22 ± 5% sched_debug.cpu#3.cpu_load[2] 925992 ± 24% -76.6% 217032 ± 47% sched_debug.cpu#3.nr_switches 16 ± 13% +37.9% 22 ± 3% sched_debug.cpu#3.cpu_load[3] 15 ± 21% +52.5% 23 ± 3% sched_debug.cpu#3.cpu_load[4] 33 ± 20% -36.8% 21 ± 17% sched_debug.cpu#3.cpu_load[0] 14 ± 18% +56.9% 22 ± 3% sched_debug.cpu#4.cpu_load[4] 15 ± 23% +41.3% 22 ± 4% sched_debug.cpu#4.cpu_load[3] 948 ± 27% +36.5% 1295 ± 11% sched_debug.cpu#4.curr->pid 855 ± 43% +67.1% 1429 ± 16% sched_debug.cpu#5.curr->pid 22 ± 9% +87.8% 42 ± 29% sched_debug.cpu#5.cpu_load[0] 15 ± 13% +114.5% 33 ± 43% sched_debug.cpu#5.cpu_load[3] 15 ± 15% +119.7% 33 ± 47% sched_debug.cpu#5.cpu_load[4] 18 ± 8% +100.0% 37 ± 32% sched_debug.cpu#5.cpu_load[1] 16 ± 10% +110.8% 34 ± 38% sched_debug.cpu#5.cpu_load[2] 415247 ± 12% -80.9% 79279 ± 20% sched_debug.cpu#6.sched_goidle 831074 ± 12% -80.8% 159814 ± 20% sched_debug.cpu#6.nr_switches 831113 ± 12% -80.8% 159869 ± 20% sched_debug.cpu#6.sched_count 811 ± 36% +50.0% 1216 ± 15% sched_debug.cpu#6.curr->pid 430138 ± 18% -82.1% 76868 ± 22% sched_debug.cpu#6.ttwu_count 860988 ± 14% -70.9% 250529 ± 33% sched_debug.cpu#7.nr_switches 430158 ± 14% -71.0% 124543 ± 34% sched_debug.cpu#7.sched_goidle 861025 ± 14% -70.9% 250578 ± 33% sched_debug.cpu#7.sched_count 658 ± 21% +123.8% 1473 ± 27% sched_debug.cpu#7.curr->pid 15 ± 19% +60.0% 24 ± 7% sched_debug.cpu#7.cpu_load[4] 15 ± 14% +62.9% 25 ± 13% sched_debug.cpu#7.cpu_load[2] 440642 ± 11% -71.9% 123684 ± 34% sched_debug.cpu#7.ttwu_count 16 ± 7% +58.2% 26 ± 27% sched_debug.cpu#7.cpu_load[1] 15 ± 16% +65.0% 24 ± 9% sched_debug.cpu#7.cpu_load[3] 823 ± 25% +61.0% 1325 ± 31% sched_debug.cpu#8.curr->pid 638635 ± 13% -93.8% 39544 ± 7% sched_debug.cpu#9.sched_count 638594 ± 13% -93.8% 39497 ± 7% sched_debug.cpu#9.nr_switches 319018 ± 13% -93.9% 19378 ± 7% sched_debug.cpu#9.sched_goidle 328979 ± 10% -93.9% 19948 ± 6% sched_debug.cpu#9.ttwu_count lituya: Grantley Haswell Memory: 16G softirqs.SCHED 300000 ++-----------------------------------------------------------------+ | * | 250000 ++ : * | | : :.* .*. .* : + .* | *.*. : * + .* * : : *.*.* + | 200000 ++ * * : * * | | :+ | 150000 ++ * | | | 100000 ++ | | | | | 50000 O+O O OO O O O O O OO O O O O O O OO O O O O O OO O O O O O OO O O O | | 0 ++-----------------------------------------------------------------+ cpuidle.C1-HSW.usage 3e+07 ++----------------------------------------------------------------+ | * | 2.5e+07 ++* * .* :+ | | : :: * : : * | |: : * : * + :: : | 2e+07 ++ : * : : : * * : | |: :+ : : : : * | 1.5e+07 ++ * *.*.*.* :: | * * | 1e+07 ++ | | | | | 5e+06 ++ | O O O OO O O OO O O O O OO O O O O O O OO O O 0 ++-----------O-O----O---O---OO-O-O----------------OO-O-O----------+ unixbench.time.voluntary_context_switches 3.5e+07 ++----------------------------------------------------------------+ | | 3e+07 ++* * .* *. | | : :* * : : * | 2.5e+07 ++ : * : : + : : : | |: : * : : : * : : | 2e+07 ++ :+ : : : : * * | | * *.*.*.* :: | 1.5e+07 *+ * | | | 1e+07 ++ | | | 5e+06 ++ | O O O OO O O OO O O O OO O O O O O O OO O O 0 ++-----------O-O----O-O-O---OO-O-O----------------OO-O-O----------+ unixbench.time.involuntary_context_switches 30000 ++------------------------------------------------------------------+ | | 25000 ++O O | | O O O O O O | O O O O O O O O O O OO O O O O O O O O 20000 ++ O O O O O O O O O | | | 15000 ++ | | | 10000 *+ *.* *.*.*.* *. | |: : + : : + *. * .* | |: : * : .* * + + .* | 5000 ++* * * * | | | 0 ++------------------------------------------------------------------+ time.voluntary_context_switches 3.5e+07 ++----------------------------------------------------------------+ | | 3e+07 ++* * .* *. | | : :* * : : * | 2.5e+07 ++ : * : : + : : : | |: : * : : : * : : | 2e+07 ++ :+ : : : : * * | | * *.*.*.* :: | 1.5e+07 *+ * | | | 1e+07 ++ | | | 5e+06 ++ | O O O OO O O OO O O O OO O O O O O O OO O O 0 ++-----------O-O----O-O-O---OO-O-O----------------OO-O-O----------+ time.involuntary_context_switches 30000 ++------------------------------------------------------------------+ | | 25000 ++O O | | O O O O O O | O O O O O O O O O O OO O O O O O O O O 20000 ++ O O O O O O O O O | | | 15000 ++ | | | 10000 *+ *.* *.*.*.* *. | |: : + : : + *. * .* | |: : * : .* * + + .* | 5000 ++* * * * | | | 0 ++------------------------------------------------------------------+ vmstat.system.cs 250000 ++-----------------------------------------------------------------+ | | | * *. .* *. | 200000 ++: : * * : : * | |: : * : : + : : : | |: : * : : : * :: : | 150000 ++ :+ : : :: * * | | * *.*.*.* :: | 100000 *+ * | | | | | 50000 ++ | | | O O O OO O O O O O OO O O O O O O OO O O O O O OO O O O O O OO O O O 0 ++-----------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: apt-get install ruby git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml 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. Thanks, Ying Huang