test1

AMD EPYC 7351P 16-Core testing with a TYAN S8026GM2NRE (V8.713 BIOS) and ASPEED on Debian 11 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 2312222-NE-TEST1021703
Jump To Table - Results

Statistics

Remove Outliers Before Calculating Averages

Graph Settings

Prefer Vertical Bar Graphs

Multi-Way Comparison

Condense Multi-Option Tests Into Single Result Graphs

Table

Show Detailed System Result Table

Run Management

Result
Identifier
Performance Per
Dollar
Date
Run
  Test
  Duration
test-first
December 22 2023
  6 Hours, 19 Minutes
Only show results matching title/arguments (delimit multiple options with a comma):
Do not show results matching title/arguments (delimit multiple options with a comma):


test1OpenBenchmarking.orgPhoronix Test SuiteAMD EPYC 7351P 16-Core @ 2.40GHz (16 Cores / 32 Threads)TYAN S8026GM2NRE (V8.713 BIOS)AMD 17h128GB2 x 512GB Western Digital CL SN720 SDAQNTW-512G-2000ASPEED2 x Intel 10-Gigabit X540-AT2Debian 115.15.131-2-pve (x86_64)1.0.2GCC 10.2.1 20210110ext4800x600ProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelVulkanCompilerFile-SystemScreen ResolutionTest1 BenchmarksSystem Logs- Transparent Huge Pages: madvise- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-mutex --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-10-Km9U7s/gcc-10-10.2.1/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-10-Km9U7s/gcc-10-10.2.1/debian/tmp-gcn/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-build-config=bootstrap-lto-lean --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - NONE / relatime,rw / raid1 nvme0n1p3[0] nvme1n1p3[1] Block Size: 4096- Scaling Governor: acpi-cpufreq performance (Boost: Enabled) - CPU Microcode: 0x800126e - gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + retbleed: Mitigation of untrained return thunk; SMT vulnerable + spec_rstack_overflow: Mitigation of safe RET + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines IBPB: conditional STIBP: disabled RSB filling PBRSB-eIBRS: Not affected + srbds: Not affected + tsx_async_abort: Not affected

test1tiobench: Read - 32MB - 4tiobench: Read - 32MB - 8tiobench: Read - 64MB - 4tiobench: Read - 64MB - 8tiobench: Read - 128MB - 4tiobench: Read - 128MB - 8tiobench: Read - 256MB - 4tiobench: Read - 256MB - 8tiobench: Read - 32MB - 16tiobench: Read - 32MB - 32tiobench: Read - 64MB - 16tiobench: Read - 64MB - 32tiobench: Write - 32MB - 4tiobench: Write - 32MB - 8tiobench: Write - 64MB - 4tiobench: Write - 64MB - 8tiobench: Read - 128MB - 16tiobench: Read - 128MB - 32tiobench: Read - 256MB - 16tiobench: Read - 256MB - 32tiobench: Write - 128MB - 4tiobench: Write - 128MB - 8tiobench: Write - 256MB - 4tiobench: Write - 256MB - 8tiobench: Write - 32MB - 16tiobench: Write - 32MB - 32tiobench: Write - 64MB - 16tiobench: Write - 64MB - 32tiobench: Write - 128MB - 16tiobench: Write - 128MB - 32tiobench: Write - 256MB - 16tiobench: Write - 256MB - 32tiobench: Rand Read - 32MB - 4tiobench: Rand Read - 32MB - 8tiobench: Rand Read - 64MB - 4tiobench: Rand Read - 64MB - 8tiobench: Rand Read - 128MB - 4tiobench: Rand Read - 128MB - 8tiobench: Rand Read - 256MB - 4tiobench: Rand Read - 256MB - 8tiobench: Rand Read - 32MB - 16tiobench: Rand Read - 32MB - 32tiobench: Rand Read - 64MB - 16tiobench: Rand Read - 64MB - 32tiobench: Rand Write - 32MB - 4tiobench: Rand Write - 32MB - 8tiobench: Rand Write - 64MB - 4tiobench: Rand Write - 64MB - 8tiobench: Rand Read - 128MB - 16tiobench: Rand Read - 128MB - 32tiobench: Rand Read - 256MB - 16tiobench: Rand Read - 256MB - 32tiobench: Rand Write - 128MB - 4tiobench: Rand Write - 128MB - 8tiobench: Rand Write - 256MB - 4tiobench: Rand Write - 256MB - 8tiobench: Rand Write - 32MB - 16tiobench: Rand Write - 32MB - 32tiobench: Rand Write - 64MB - 16tiobench: Rand Write - 64MB - 32tiobench: Rand Write - 128MB - 16tiobench: Rand Write - 128MB - 32tiobench: Rand Write - 256MB - 16tiobench: Rand Write - 256MB - 32test-first11806.03717196.2199967.19318502.58411819.03220750.94112410.07122869.40926520.30438590.83033732.33145238.21212.61624.08112.52923.89433361.14851324.81438923.51055867.98712.46023.63811.57721.06345.10483.09143.01975.87838.33859.93835.00753.16643820.77761641.01431041.66358561.85558258.356146914.047104939.722298097.28952327.711119462.290122171.098214563.405194.393376.457383.926754.851211117.945425620.135415980.123811713.853777.1101509.3231544.2903004.365679.3501274.5831409.4702542.2892810.2664774.9215556.0929529.770OpenBenchmarking.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: Read - Size Per Thread: 32MB - Thread Count: 4test-first3K6K9K12K15KSE +/- 265.19, N = 1511806.041. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 32MB - Thread Count: 8test-first4K8K12K16K20KSE +/- 560.76, N = 1217196.221. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 64MB - Thread Count: 4test-first2K4K6K8K10KSE +/- 190.03, N = 129967.191. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 64MB - Thread Count: 8test-first4K8K12K16K20KSE +/- 258.24, N = 1518502.581. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 128MB - Thread Count: 4test-first3K6K9K12K15KSE +/- 124.45, N = 311819.031. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 128MB - Thread Count: 8test-first4K8K12K16K20KSE +/- 240.05, N = 1520750.941. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 256MB - Thread Count: 4test-first3K6K9K12K15KSE +/- 146.63, N = 412410.071. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 256MB - Thread Count: 8test-first5K10K15K20K25KSE +/- 246.72, N = 322869.411. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 32MB - Thread Count: 16test-first6K12K18K24K30KSE +/- 1904.19, N = 1526520.301. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 32MB - Thread Count: 32test-first8K16K24K32K40KSE +/- 1567.20, N = 1238590.831. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 64MB - Thread Count: 16test-first7K14K21K28K35KSE +/- 575.38, N = 1533732.331. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 64MB - Thread Count: 32test-first10K20K30K40K50KSE +/- 784.81, N = 1245238.211. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 32MB - Thread Count: 4test-first3691215SE +/- 0.07, N = 312.621. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 32MB - Thread Count: 8test-first612182430SE +/- 0.12, N = 324.081. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 64MB - Thread Count: 4test-first3691215SE +/- 0.02, N = 312.531. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 64MB - Thread Count: 8test-first612182430SE +/- 0.03, N = 323.891. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 128MB - Thread Count: 16test-first7K14K21K28K35KSE +/- 756.71, N = 1233361.151. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 128MB - Thread Count: 32test-first11K22K33K44K55KSE +/- 465.42, N = 351324.811. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 256MB - Thread Count: 16test-first8K16K24K32K40KSE +/- 244.95, N = 338923.511. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Read - Size Per Thread: 256MB - Thread Count: 32test-first12K24K36K48K60KSE +/- 833.65, N = 1255867.991. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 128MB - Thread Count: 4test-first3691215SE +/- 0.02, N = 312.461. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 128MB - Thread Count: 8test-first612182430SE +/- 0.05, N = 323.641. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 256MB - Thread Count: 4test-first3691215SE +/- 0.05, N = 311.581. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 256MB - Thread Count: 8test-first510152025SE +/- 0.20, N = 321.061. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 32MB - Thread Count: 16test-first1020304050SE +/- 0.21, N = 345.101. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 32MB - Thread Count: 32test-first20406080100SE +/- 0.75, N = 383.091. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 64MB - Thread Count: 16test-first1020304050SE +/- 0.31, N = 343.021. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 64MB - Thread Count: 32test-first20406080100SE +/- 0.69, N = 375.881. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 128MB - Thread Count: 16test-first918273645SE +/- 0.08, N = 338.341. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 128MB - Thread Count: 32test-first1326395265SE +/- 0.41, N = 359.941. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 256MB - Thread Count: 16test-first816243240SE +/- 0.24, N = 335.011. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Write - Size Per Thread: 256MB - Thread Count: 32test-first1224364860SE +/- 0.18, N = 353.171. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 32MB - Thread Count: 4test-first9K18K27K36K45KSE +/- 2971.80, N = 1243820.781. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 32MB - Thread Count: 8test-first13K26K39K52K65KSE +/- 7275.71, N = 1561641.011. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 64MB - Thread Count: 4test-first7K14K21K28K35KSE +/- 6423.10, N = 1231041.661. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 64MB - Thread Count: 8test-first13K26K39K52K65KSE +/- 2637.61, N = 1558561.861. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 128MB - Thread Count: 4test-first12K24K36K48K60KSE +/- 14481.91, N = 1258258.361. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 128MB - Thread Count: 8test-first30K60K90K120K150KSE +/- 24022.71, N = 15146914.051. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 256MB - Thread Count: 4test-first20K40K60K80K100KSE +/- 4250.97, N = 15104939.721. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 256MB - Thread Count: 8test-first60K120K180K240K300KSE +/- 52240.20, N = 15298097.291. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 32MB - Thread Count: 16test-first11K22K33K44K55KSE +/- 3568.88, N = 1252327.711. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 32MB - Thread Count: 32test-first30K60K90K120K150KSE +/- 7529.42, N = 15119462.291. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 64MB - Thread Count: 16test-first30K60K90K120K150KSE +/- 10099.93, N = 12122171.101. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 64MB - Thread Count: 32test-first50K100K150K200K250KSE +/- 14901.82, N = 15214563.411. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 32MB - Thread Count: 4test-first4080120160200SE +/- 0.51, N = 3194.391. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 32MB - Thread Count: 8test-first80160240320400SE +/- 3.21, N = 3376.461. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 64MB - Thread Count: 4test-first80160240320400SE +/- 2.45, N = 3383.931. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 64MB - Thread Count: 8test-first160320480640800SE +/- 6.63, N = 3754.851. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 128MB - Thread Count: 16test-first50K100K150K200K250KSE +/- 6456.02, N = 15211117.951. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 128MB - Thread Count: 32test-first90K180K270K360K450KSE +/- 10733.19, N = 12425620.141. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 256MB - Thread Count: 16test-first90K180K270K360K450KSE +/- 12283.02, N = 15415980.121. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Read - Size Per Thread: 256MB - Thread Count: 32test-first200K400K600K800K1000KSE +/- 26769.96, N = 12811713.851. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 128MB - Thread Count: 4test-first2004006008001000SE +/- 2.50, N = 3777.111. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 128MB - Thread Count: 8test-first30060090012001500SE +/- 7.67, N = 31509.321. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 256MB - Thread Count: 4test-first30060090012001500SE +/- 11.66, N = 31544.291. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 256MB - Thread Count: 8test-first6001200180024003000SE +/- 11.14, N = 33004.371. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 32MB - Thread Count: 16test-first150300450600750SE +/- 7.94, N = 3679.351. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 32MB - Thread Count: 32test-first30060090012001500SE +/- 8.80, N = 31274.581. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 64MB - Thread Count: 16test-first30060090012001500SE +/- 20.00, N = 31409.471. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 64MB - Thread Count: 32test-first5001000150020002500SE +/- 13.38, N = 32542.291. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 128MB - Thread Count: 16test-first6001200180024003000SE +/- 13.31, N = 32810.271. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 128MB - Thread Count: 32test-first10002000300040005000SE +/- 7.95, N = 34774.921. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 256MB - Thread Count: 16test-first12002400360048006000SE +/- 68.17, N = 35556.091. (CC) gcc options: -O2

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 20170503Test: Random Write - Size Per Thread: 256MB - Thread Count: 32test-first2K4K6K8K10KSE +/- 22.60, N = 39529.771. (CC) gcc options: -O2

64 Results Shown

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