20231031_pts_tiobench

ARMv8 testing with a FOXCONN Grace P4352 (11.00 BIOS) and ASPEED Family on Ubuntu 22.04 via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2310310-SP-20231031P58
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Identifier
Performance Per
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Date
Run
  Test
  Duration
20231031_pts_tiobench
October 31 2023
  1 Hour, 12 Minutes
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20231031_pts_tiobenchOpenBenchmarking.orgPhoronix Test SuiteARMv8 @ 3.48GHz (144 Cores)FOXCONN Grace P4352 (11.00 BIOS)2 x 240 GB LPDDR5-8532MT/s1920GB SAMSUNG MZ1L21T9HCLS-00A07 + 15GB Ultra USB 3.0ASPEED Family2 x Intel 10G X550T + 2 x Mellanox MT2910 FamilyUbuntu 22.046.2.0-1010-NVIDIA-64k (aarch64)X ServerGCC 11.4.0ext41024x768ProcessorMotherboardMemoryDiskGraphicsNetworkOSKernelDisplay ServerCompilerFile-SystemScreen Resolution20231031_pts_tiobench BenchmarksSystem Logs- acpi_power_meter.force_cap_on=y- --build=aarch64-linux-gnu --disable-libquadmath --disable-libquadmath-support --disable-werror --enable-bootstrap --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-fix-cortex-a53-843419 --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=2 --enable-multiarch --enable-nls --enable-objc-gc=auto --enable-plugin --enable-shared --enable-threads=posix --host=aarch64-linux-gnu --program-prefix=aarch64-linux-gnu- --target=aarch64-linux-gnu --with-build-config=bootstrap-lto-lean --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-target-system-zlib=auto -v - NONE / errors=remount-ro,relatime,rw,stripe=32- Scaling Governor: cppc_cpufreq performance- __user pointer sanitization + SSB disabled via prctl

20231031_pts_tiobenchtiobench: Rand Write - 256MB - 32tiobench: Rand Write - 256MB - 16tiobench: Rand Write - 128MB - 32tiobench: Rand Write - 128MB - 16tiobench: Rand Write - 64MB - 32tiobench: Rand Write - 32MB - 32tiobench: Rand Write - 256MB - 8tiobench: Rand Write - 256MB - 4tiobench: Rand Write - 128MB - 8tiobench: Rand Write - 128MB - 4tiobench: Rand Read - 256MB - 32tiobench: Rand Read - 256MB - 16tiobench: Rand Read - 128MB - 32tiobench: Rand Read - 128MB - 16tiobench: Rand Write - 64MB - 8tiobench: Rand Write - 64MB - 4tiobench: Rand Write - 32MB - 4tiobench: Rand Read - 64MB - 32tiobench: Rand Read - 256MB - 4tiobench: Rand Read - 128MB - 4tiobench: Rand Read - 64MB - 8tiobench: Rand Read - 64MB - 4tiobench: Rand Read - 32MB - 8tiobench: Rand Read - 32MB - 4tiobench: Write - 256MB - 16tiobench: Write - 128MB - 32tiobench: Write - 128MB - 16tiobench: Write - 64MB - 32tiobench: Write - 64MB - 16tiobench: Write - 32MB - 32tiobench: Write - 32MB - 16tiobench: Write - 256MB - 4tiobench: Write - 128MB - 4tiobench: Read - 256MB - 32tiobench: Read - 128MB - 32tiobench: Read - 128MB - 16tiobench: Write - 64MB - 8tiobench: Write - 64MB - 4tiobench: Write - 32MB - 8tiobench: Write - 32MB - 4tiobench: Read - 64MB - 32tiobench: Read - 32MB - 32tiobench: Read - 32MB - 16tiobench: Read - 256MB - 8tiobench: Read - 256MB - 4tiobench: Read - 128MB - 8tiobench: Read - 128MB - 4tiobench: Read - 64MB - 8tiobench: Read - 64MB - 4tiobench: Read - 32MB - 4tiobench: Rand Write - 64MB - 16tiobench: Rand Write - 32MB - 16tiobench: Rand Write - 32MB - 8tiobench: Rand Read - 64MB - 16tiobench: Rand Read - 32MB - 32tiobench: Rand Read - 32MB - 16tiobench: Rand Read - 256MB - 8tiobench: Rand Read - 128MB - 8tiobench: Write - 256MB - 32tiobench: Write - 256MB - 8tiobench: Write - 128MB - 8tiobench: Read - 256MB - 16tiobench: Read - 64MB - 16tiobench: Read - 32MB - 820231031_pts_tiobench125010.84126134.6960504.7662179.1930169.0814779.55101517.7156716.6545339.9728025.733636381.311927123.831827866.671443919.8626126.1414541.037409.26823960.42872642.22471312.71446922.28238068.65225354.80117960.27161.20198.79166.83222.96190.64291.45224.51103.90176.41180735.02177956.54109335.44175.21110.72205.11123.50173215.11175197.55102239.6356628.3528183.4455840.8927790.4052976.3727410.9927682.5330465.7715302.7813108.98577765.31409674.50319195.381499434.83720879.81216.85138.95176.92102059.2096578.5150003.62OpenBenchmarking.org

Threaded I/O Tester

Tiotester (Threaded I/O Tester) benchmarks the hard disk drive / file-system performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 256MB - Thread Count: 3220231031_pts_tiobench30K60K90K120K150KSE +/- 1980.76, N = 4125010.841. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 256MB - Thread Count: 1620231031_pts_tiobench30K60K90K120K150KSE +/- 919.41, N = 3126134.691. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 128MB - Thread Count: 3220231031_pts_tiobench13K26K39K52K65KSE +/- 1047.38, N = 460504.761. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 128MB - Thread Count: 1620231031_pts_tiobench13K26K39K52K65KSE +/- 1030.06, N = 1262179.191. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 64MB - Thread Count: 3220231031_pts_tiobench6K12K18K24K30KSE +/- 92.07, N = 330169.081. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 32MB - Thread Count: 3220231031_pts_tiobench3K6K9K12K15KSE +/- 25.01, N = 314779.551. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 256MB - Thread Count: 820231031_pts_tiobench20K40K60K80K100KSE +/- 1598.51, N = 12101517.711. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 256MB - Thread Count: 420231031_pts_tiobench12K24K36K48K60KSE +/- 20.38, N = 356716.651. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 128MB - Thread Count: 820231031_pts_tiobench10K20K30K40K50KSE +/- 821.47, N = 345339.971. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 128MB - Thread Count: 420231031_pts_tiobench6K12K18K24K30KSE +/- 193.92, N = 328025.731. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 256MB - Thread Count: 3220231031_pts_tiobench800K1600K2400K3200K4000KSE +/- 39344.68, N = 123636381.311. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 256MB - Thread Count: 1620231031_pts_tiobench400K800K1200K1600K2000KSE +/- 32784.57, N = 31927123.831. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 128MB - Thread Count: 3220231031_pts_tiobench400K800K1200K1600K2000KSE +/- 24368.57, N = 31827866.671. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 128MB - Thread Count: 1620231031_pts_tiobench300K600K900K1200K1500KSE +/- 15022.03, N = 31443919.861. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 64MB - Thread Count: 820231031_pts_tiobench6K12K18K24K30KSE +/- 360.55, N = 526126.141. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 64MB - Thread Count: 420231031_pts_tiobench3K6K9K12K15KSE +/- 88.72, N = 314541.031. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 32MB - Thread Count: 420231031_pts_tiobench16003200480064008000SE +/- 39.32, N = 37409.261. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 64MB - Thread Count: 3220231031_pts_tiobench200K400K600K800K1000KSE +/- 11714.65, N = 5823960.421. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 256MB - Thread Count: 420231031_pts_tiobench200K400K600K800K1000KSE +/- 8441.48, N = 3872642.221. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 128MB - Thread Count: 420231031_pts_tiobench100K200K300K400K500KSE +/- 765.92, N = 3471312.711. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 64MB - Thread Count: 820231031_pts_tiobench100K200K300K400K500KSE +/- 2159.67, N = 3446922.281. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 64MB - Thread Count: 420231031_pts_tiobench50K100K150K200K250KSE +/- 591.84, N = 3238068.651. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 32MB - Thread Count: 820231031_pts_tiobench50K100K150K200K250KSE +/- 3874.14, N = 3225354.801. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 32MB - Thread Count: 420231031_pts_tiobench30K60K90K120K150KSE +/- 1192.44, N = 3117960.271. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 256MB - Thread Count: 1620231031_pts_tiobench4080120160200SE +/- 1.03, N = 3161.201. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 128MB - Thread Count: 3220231031_pts_tiobench4080120160200SE +/- 2.45, N = 3198.791. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 128MB - Thread Count: 1620231031_pts_tiobench4080120160200SE +/- 2.78, N = 4166.831. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 64MB - Thread Count: 3220231031_pts_tiobench50100150200250SE +/- 2.78, N = 3222.961. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 64MB - Thread Count: 1620231031_pts_tiobench4080120160200SE +/- 1.92, N = 3190.641. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 32MB - Thread Count: 3220231031_pts_tiobench60120180240300SE +/- 3.56, N = 12291.451. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 32MB - Thread Count: 1620231031_pts_tiobench50100150200250SE +/- 3.78, N = 4224.511. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 256MB - Thread Count: 420231031_pts_tiobench20406080100SE +/- 1.99, N = 3103.901. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 128MB - Thread Count: 420231031_pts_tiobench4080120160200SE +/- 1.97, N = 9176.411. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 256MB - Thread Count: 3220231031_pts_tiobench40K80K120K160K200KSE +/- 1510.70, N = 3180735.021. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 128MB - Thread Count: 3220231031_pts_tiobench40K80K120K160K200KSE +/- 1116.51, N = 3177956.541. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 128MB - Thread Count: 1620231031_pts_tiobench20K40K60K80K100KSE +/- 319.67, N = 3109335.441. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 64MB - Thread Count: 820231031_pts_tiobench4080120160200SE +/- 2.30, N = 3175.211. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 64MB - Thread Count: 420231031_pts_tiobench20406080100SE +/- 1.87, N = 4110.721. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 32MB - Thread Count: 820231031_pts_tiobench50100150200250SE +/- 1.68, N = 3205.111. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 32MB - Thread Count: 420231031_pts_tiobench306090120150SE +/- 0.59, N = 3123.501. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 64MB - Thread Count: 3220231031_pts_tiobench40K80K120K160K200KSE +/- 1057.07, N = 3173215.111. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 32MB - Thread Count: 3220231031_pts_tiobench40K80K120K160K200KSE +/- 2770.99, N = 12175197.551. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 32MB - Thread Count: 1620231031_pts_tiobench20K40K60K80K100KSE +/- 404.39, N = 3102239.631. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 256MB - Thread Count: 820231031_pts_tiobench12K24K36K48K60KSE +/- 175.89, N = 356628.351. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 256MB - Thread Count: 420231031_pts_tiobench6K12K18K24K30KSE +/- 55.09, N = 328183.441. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 128MB - Thread Count: 820231031_pts_tiobench12K24K36K48K60KSE +/- 124.73, N = 355840.891. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 128MB - Thread Count: 420231031_pts_tiobench6K12K18K24K30KSE +/- 29.43, N = 327790.401. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 64MB - Thread Count: 820231031_pts_tiobench11K22K33K44K55KSE +/- 798.40, N = 1252976.371. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 64MB - Thread Count: 420231031_pts_tiobench6K12K18K24K30KSE +/- 23.73, N = 327410.991. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 32MB - Thread Count: 420231031_pts_tiobench6K12K18K24K30KSE +/- 199.26, N = 327682.531. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 64MB - Thread Count: 1620231031_pts_tiobench7K14K21K28K35KSE +/- 613.18, N = 1230465.771. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 32MB - Thread Count: 1620231031_pts_tiobench3K6K9K12K15KSE +/- 467.93, N = 915302.781. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 32MB - Thread Count: 820231031_pts_tiobench3K6K9K12K15KSE +/- 239.24, N = 1213108.981. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 64MB - Thread Count: 1620231031_pts_tiobench120K240K360K480K600KSE +/- 23140.96, N = 12577765.311. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 32MB - Thread Count: 3220231031_pts_tiobench90K180K270K360K450KSE +/- 14306.46, N = 9409674.501. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 32MB - Thread Count: 1620231031_pts_tiobench70K140K210K280K350KSE +/- 12865.27, N = 12319195.381. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 256MB - Thread Count: 820231031_pts_tiobench300K600K900K1200K1500KSE +/- 53090.90, N = 111499434.831. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 128MB - Thread Count: 820231031_pts_tiobench150K300K450K600K750KSE +/- 34742.77, N = 12720879.811. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 256MB - Thread Count: 3220231031_pts_tiobench50100150200250SE +/- 13.19, N = 9216.851. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 256MB - Thread Count: 820231031_pts_tiobench306090120150SE +/- 3.48, N = 12138.951. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 128MB - Thread Count: 820231031_pts_tiobench4080120160200SE +/- 16.69, N = 9176.921. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 256MB - Thread Count: 1620231031_pts_tiobench20K40K60K80K100KSE +/- 2750.81, N = 12102059.201. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 64MB - Thread Count: 1620231031_pts_tiobench20K40K60K80K100KSE +/- 2715.79, N = 1296578.511. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 32MB - Thread Count: 820231031_pts_tiobench11K22K33K44K55KSE +/- 1154.27, N = 1250003.621. (CC) gcc options: -O2

64 Results Shown

Threaded I/O Tester:
  Rand Write - 256MB - 32
  Rand Write - 256MB - 16
  Rand Write - 128MB - 32
  Rand Write - 128MB - 16
  Rand Write - 64MB - 32
  Rand Write - 32MB - 32
  Rand Write - 256MB - 8
  Rand Write - 256MB - 4
  Rand Write - 128MB - 8
  Rand Write - 128MB - 4
  Rand Read - 256MB - 32
  Rand Read - 256MB - 16
  Rand Read - 128MB - 32
  Rand Read - 128MB - 16
  Rand Write - 64MB - 8
  Rand Write - 64MB - 4
  Rand Write - 32MB - 4
  Rand Read - 64MB - 32
  Rand Read - 256MB - 4
  Rand Read - 128MB - 4
  Rand Read - 64MB - 8
  Rand Read - 64MB - 4
  Rand Read - 32MB - 8
  Rand Read - 32MB - 4
  Write - 256MB - 16
  Write - 128MB - 32
  Write - 128MB - 16
  Write - 64MB - 32
  Write - 64MB - 16
  Write - 32MB - 32
  Write - 32MB - 16
  Write - 256MB - 4
  Write - 128MB - 4
  Read - 256MB - 32
  Read - 128MB - 32
  Read - 128MB - 16
  Write - 64MB - 8
  Write - 64MB - 4
  Write - 32MB - 8
  Write - 32MB - 4
  Read - 64MB - 32
  Read - 32MB - 32
  Read - 32MB - 16
  Read - 256MB - 8
  Read - 256MB - 4
  Read - 128MB - 8
  Read - 128MB - 4
  Read - 64MB - 8
  Read - 64MB - 4
  Read - 32MB - 4
  Rand Write - 64MB - 16
  Rand Write - 32MB - 16
  Rand Write - 32MB - 8
  Rand Read - 64MB - 16
  Rand Read - 32MB - 32
  Rand Read - 32MB - 16
  Rand Read - 256MB - 8
  Rand Read - 128MB - 8
  Write - 256MB - 32
  Write - 256MB - 8
  Write - 128MB - 8
  Read - 256MB - 16
  Read - 64MB - 16
  Read - 32MB - 8