gcc -o pgms/arithoh -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Darithoh src/arith.c 
gcc -o pgms/register -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum="register int" src/arith.c 
gcc -o pgms/short -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=short src/arith.c 
gcc -o pgms/int -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=int src/arith.c 
gcc -o pgms/long -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=long src/arith.c 
gcc -o pgms/float -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=float src/arith.c 
gcc -o pgms/double -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -Ddatum=double src/arith.c 
gcc -o pgms/hanoi -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/hanoi.c 
gcc -o pgms/syscall -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/syscall.c 
gcc -o pgms/context1 -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/context1.c 
gcc -o pgms/pipe -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/pipe.c 
src/pipe.c: In function xe2x80x98mainxe2x80x99:
src/pipe.c:52:2: warning: ignoring return value of xe2x80x98pipexe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
  pipe(pvec);
  ^
gcc -o pgms/spawn -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/spawn.c 
gcc -o pgms/execl -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/execl.c 
In file included from src/execl.c:34:0:
src/big.c: In function xe2x80x98dummyxe2x80x99:
src/big.c:109:5: warning: ignoring return value of xe2x80x98freopenxe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
     freopen("masterlog.00", "a", stderr);
     ^
src/big.c:197:6: warning: ignoring return value of xe2x80x98freopenxe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
      freopen(logname, "w", stderr);
      ^
src/big.c:221:3: warning: ignoring return value of xe2x80x98dupxe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
   dup(pvec[0]);
   ^
src/big.c:225:6: warning: ignoring return value of xe2x80x98freopenxe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
      freopen(logname, "w", stderr);
      ^
src/big.c:318:4: warning: ignoring return value of xe2x80x98writexe2x80x99, declared with attribute warn_unused_result [-Wunused-result]
    write(fcopy, cp->line, p - cp->line + 1);
    ^
gcc -o pgms/dhry2 -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -DHZ= ./src/dhry_1.c ./src/dhry_2.c
gcc -o pgms/dhry2reg -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -DHZ= -DREG=register ./src/dhry_1.c ./src/dhry_2.c
gcc -o pgms/looper -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/looper.c 
gcc -o pgms/fstime -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME src/fstime.c 
gcc -o pgms/whetstone-double -Wall -pedantic -O3 -ffast-math -march=native -mtune=native -I ./src -DTIME -DDP -DUNIX -DUNIXBENCH src/whets.c -lm
make all
make[1]: Entering directory "/root/serverscope/byte-unixbench/UnixBench"
make distr
make[2]: Entering directory "/root/serverscope/byte-unixbench/UnixBench"
Checking distribution of files
./pgms  exists
./src  exists
./testdir  exists
make[2]: Leaving directory "/root/serverscope/byte-unixbench/UnixBench"
make programs
make[2]: Entering directory "/root/serverscope/byte-unixbench/UnixBench"
make[2]: Nothing to be done for "programs".
make[2]: Leaving directory "/root/serverscope/byte-unixbench/UnixBench"
make[1]: Leaving directory "/root/serverscope/byte-unixbench/UnixBench"
sh: 1: 3dinfo: not found
   #    #  #    #  #  #    #          #####   ######  #    #   ####   #    #
   #    #  ##   #  #   #  #           #    #  #       ##   #  #    #  #    #
   #    #  # #  #  #    ##            #####   #####   # #  #  #       ######
   #    #  #  # #  #    ##            #    #  #       #  # #  #       #    #
   #    #  #   ##  #   #  #           #    #  #       #   ##  #    #  #    #
    ####   #    #  #  #    #          #####   ######  #    #   ####   #    #
   Version 5.1.3                      Based on the Byte Magazine Unix Benchmark
   Multi-CPU version                  Version 5 revisions by Ian Smith,
                                      Sunnyvale, CA, USA
   January 13, 2011                   johantheghost at yahoo period com
1 x Dhrystone 2 using register variables  1 2 3 4 5 6 7 8 9 10
1 x Double-Precision Whetstone  1 2 3 4 5 6 7 8 9 10
1 x Execl Throughput  1 2 3
1 x File Copy 1024 bufsize 2000 maxblocks  1 2 3
1 x File Copy 256 bufsize 500 maxblocks  1 2 3
1 x File Copy 4096 bufsize 8000 maxblocks  1 2 3
1 x Pipe Throughput  1 2 3 4 5 6 7 8 9 10
1 x Pipe-based Context Switching  1 2 3 4 5 6 7 8 9 10
1 x Process Creation  1 2 3
1 x System Call Overhead  1 2 3 4 5 6 7 8 9 10
1 x Shell Scripts (1 concurrent)  1 2 3
1 x Shell Scripts (8 concurrent)  1 2 3
8 x Dhrystone 2 using register variables  1 2 3 4 5 6 7 8 9 10
8 x Double-Precision Whetstone  1 2 3 4 5 6 7 8 9 10
8 x Execl Throughput  1 2 3
8 x File Copy 1024 bufsize 2000 maxblocks  1 2 3
8 x File Copy 256 bufsize 500 maxblocks  1 2 3
8 x File Copy 4096 bufsize 8000 maxblocks  1 2 3
8 x Pipe Throughput  1 2 3 4 5 6 7 8 9 10
8 x Pipe-based Context Switching  1 2 3 4 5 6 7 8 9 10
8 x Process Creation  1 2 3
8 x System Call Overhead  1 2 3 4 5 6 7 8 9 10
8 x Shell Scripts (1 concurrent)  1 2 3
8 x Shell Scripts (8 concurrent)  1 2 3
========================================================================
   BYTE UNIX Benchmarks (Version 5.1.3)
   System: mrconservative: GNU/Linux
   OS: GNU/Linux -- 4.4.0-47-generic -- #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016
   Machine: x86_64 (x86_64)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz (7200.4 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   CPU 1: Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz (7200.4 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   CPU 2: Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz (7200.4 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   CPU 3: Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz (7200.4 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   CPU 4: Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz (7200.4 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   CPU 5: Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz (7200.4 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   CPU 6: Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz (7200.4 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   CPU 7: Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz (7200.4 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
   10:29:53 up 1 day,  1:47,  1 user,  load average: 8.25, 4.48, 1.91; runlevel 2016-11-10
------------------------------------------------------------------------
Benchmark Run: Fri Nov 11 2016 10:29:53 - 10:58:21
8 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables       47587759.7 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     4144.5 MWIPS (12.1 s, 7 samples)
Execl Throughput                               5737.2 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks       1694958.0 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          452973.7 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       4010069.2 KBps  (30.0 s, 2 samples)
Pipe Throughput                             3405253.4 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 277040.8 lps   (10.0 s, 7 samples)
Process Creation                              19925.1 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                  17197.2 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   6983.0 lpm   (60.0 s, 2 samples)
System Call Overhead                        5417240.3 lps   (10.0 s, 7 samples)
System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   47587759.7   4077.8
Double-Precision Whetstone                       55.0       4144.5    753.6
Execl Throughput                                 43.0       5737.2   1334.2
File Copy 1024 bufsize 2000 maxblocks          3960.0    1694958.0   4280.2
File Copy 256 bufsize 500 maxblocks            1655.0     452973.7   2737.0
File Copy 4096 bufsize 8000 maxblocks          5800.0    4010069.2   6913.9
Pipe Throughput                               12440.0    3405253.4   2737.3
Pipe-based Context Switching                   4000.0     277040.8    692.6
Process Creation                                126.0      19925.1   1581.4
Shell Scripts (1 concurrent)                     42.4      17197.2   4055.9
Shell Scripts (8 concurrent)                      6.0       6983.0  11638.4
System Call Overhead                          15000.0    5417240.3   3611.5
                                                                   ========
System Benchmarks Index Score                                        2727.8
------------------------------------------------------------------------
Benchmark Run: Fri Nov 11 2016 10:58:21 - 11:26:28
8 CPUs in system; running 8 parallel copies of tests
Dhrystone 2 using register variables      221727277.5 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                    34375.3 MWIPS (10.1 s, 7 samples)
Execl Throughput                              37611.2 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks       1390875.4 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          366948.3 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       4371159.2 KBps  (30.0 s, 2 samples)
Pipe Throughput                            13738767.5 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                2277329.3 lps   (10.0 s, 7 samples)
Process Creation                              87337.7 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                  69237.1 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   8968.1 lpm   (60.0 s, 2 samples)
System Call Overhead                       10222092.5 lps   (10.0 s, 7 samples)
System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0  221727277.5  18999.8
Double-Precision Whetstone                       55.0      34375.3   6250.0
Execl Throughput                                 43.0      37611.2   8746.8
File Copy 1024 bufsize 2000 maxblocks          3960.0    1390875.4   3512.3
File Copy 256 bufsize 500 maxblocks            1655.0     366948.3   2217.2
File Copy 4096 bufsize 8000 maxblocks          5800.0    4371159.2   7536.5
Pipe Throughput                               12440.0   13738767.5  11044.0
Pipe-based Context Switching                   4000.0    2277329.3   5693.3
Process Creation                                126.0      87337.7   6931.6
Shell Scripts (1 concurrent)                     42.4      69237.1  16329.5
Shell Scripts (8 concurrent)                      6.0       8968.1  14946.9
System Call Overhead                          15000.0   10222092.5   6814.7
                                                                   ========
System Benchmarks Index Score                                        7711.0
dd if=/dev/zero of=benchmark bs=64K count=64K conv=fdatasync 65536+0 records in 65536+0 records out 4294967296 bytes (4.3 GB, 4.0 GiB) copied, 14.6798 s, 293 MB/s dd if=/dev/zero of=benchmark bs=1M count=4096 conv=fdatasync 4096+0 records in 4096+0 records out 4294967296 bytes (4.3 GB, 4.0 GiB) copied, 14.7055 s, 292 MB/s
./fio --time_based --name=benchmark --size=4086M --runtime=60 --ioengine=libaio --randrepeat=1 --iodepth=32 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randread --blocksize=4k --group_reporting
benchmark: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
...
fio-2.8
Starting 8 processes
benchmark: Laying out IO file(s) (1 file(s) / 4086MB)
benchmark: Laying out IO file(s) (1 file(s) / 4086MB)
benchmark: Laying out IO file(s) (1 file(s) / 4086MB)
benchmark: Laying out IO file(s) (1 file(s) / 4086MB)
benchmark: Laying out IO file(s) (1 file(s) / 4086MB)
benchmark: Laying out IO file(s) (1 file(s) / 4086MB)
benchmark: Laying out IO file(s) (1 file(s) / 4086MB)
benchmark: Laying out IO file(s) (1 file(s) / 4086MB)
benchmark: (groupid=0, jobs=8): err= 0: pid=17429: Fri Nov 11 10:26:49 2016
  read : io=10070MB, bw=171859KB/s, iops=42964, runt= 60001msec
    slat (usec): min=101, max=4204, avg=184.78, stdev=31.73
    clat (usec): min=1, max=8597, avg=5771.73, stdev=157.08
     lat (usec): min=147, max=11229, avg=5956.72, stdev=159.79
    clat percentiles (usec):
     |  1.00th=[ 5408],  5.00th=[ 5536], 10.00th=[ 5600], 20.00th=[ 5664],
     | 30.00th=[ 5664], 40.00th=[ 5728], 50.00th=[ 5792], 60.00th=[ 5792],
     | 70.00th=[ 5856], 80.00th=[ 5920], 90.00th=[ 5984], 95.00th=[ 6048],
     | 99.00th=[ 6112], 99.50th=[ 6176], 99.90th=[ 6368], 99.95th=[ 6560],
     | 99.99th=[ 7648]
    bw (KB  /s): min=20912, max=21776, per=12.50%, avg=21484.56, stdev=96.55
    lat (usec) : 2=0.01%, 4=0.01%, 250=0.01%, 500=0.01%, 750=0.01%
    lat (usec) : 1000=0.01%
    lat (msec) : 2=0.01%, 4=0.01%, 10=99.99%
  cpu          : usr=0.89%, sys=2.58%, ctx=2577988, majf=0, minf=337
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
     issued    : total=r=2577932/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
   READ: io=10070MB, aggrb=171859KB/s, minb=171859KB/s, maxb=171859KB/s, mint=60001msec, maxt=60001msec
Disk stats (read/write):
  sda: ios=2577677/11, merge=0/32, ticks=459616/0, in_queue=459792, util=99.92%
./fio --time_based --name=benchmark --size=4086M --runtime=60 --ioengine=libaio --randrepeat=1 --iodepth=32 --direct=1 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randread --blocksize=4k --group_reporting
benchmark: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
...
fio-2.8
Starting 8 processes
benchmark: (groupid=0, jobs=8): err= 0: pid=17447: Fri Nov 11 10:27:50 2016
  read : io=11856MB, bw=202328KB/s, iops=50581, runt= 60004msec
    slat (usec): min=0, max=6781, avg=87.82, stdev=493.73
    clat (usec): min=162, max=47466, avg=4948.01, stdev=1833.77
     lat (usec): min=165, max=47468, avg=5035.90, stdev=1879.45
    clat percentiles (usec):
     |  1.00th=[ 1400],  5.00th=[ 1976], 10.00th=[ 2544], 20.00th=[ 4384],
     | 30.00th=[ 4640], 40.00th=[ 4832], 50.00th=[ 4960], 60.00th=[ 5024],
     | 70.00th=[ 5088], 80.00th=[ 5280], 90.00th=[ 6880], 95.00th=[ 7840],
     | 99.00th=[ 9920], 99.50th=[14400], 99.90th=[22912], 99.95th=[25472],
     | 99.99th=[31872]
    bw (KB  /s): min= 7952, max=27329, per=12.51%, avg=25311.30, stdev=2477.75
    lat (usec) : 250=0.01%, 500=0.01%, 750=0.04%, 1000=0.15%
    lat (msec) : 2=5.01%, 4=9.30%, 10=84.52%, 20=0.81%, 50=0.16%
  cpu          : usr=0.62%, sys=1.99%, ctx=655631, majf=0, minf=343
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
     issued    : total=r=3035122/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
   READ: io=11856MB, aggrb=202327KB/s, minb=202327KB/s, maxb=202327KB/s, mint=60004msec, maxt=60004msec
Disk stats (read/write):
  sda: ios=3031103/0, merge=196/0, ticks=8651008/0, in_queue=8652124, util=99.39%
./fio --time_based --name=benchmark --size=4086M --runtime=60 --filename=benchmark --ioengine=libaio --randrepeat=1 --iodepth=32 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randwrite --blocksize=4k --group_reporting
benchmark: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
...
fio-2.8
Starting 8 processes
benchmark: (groupid=0, jobs=8): err= 0: pid=17611: Fri Nov 11 10:29:51 2016
  write: io=46717MB, bw=786834KB/s, iops=196708, runt= 60799msec
    slat (usec): min=0, max=5452.2K, avg=39.71, stdev=7135.50
    clat (usec): min=3, max=5452.1K, avg=1260.83, stdev=39961.56
     lat (usec): min=48, max=5452.1K, avg=1300.61, stdev=40600.93
    clat percentiles (usec):
     |  1.00th=[   99],  5.00th=[  161], 10.00th=[  203], 20.00th=[  258],
     | 30.00th=[  290], 40.00th=[  310], 50.00th=[  326], 60.00th=[  350],
     | 70.00th=[  390], 80.00th=[  442], 90.00th=[  540], 95.00th=[  740],
     | 99.00th=[23680], 99.50th=[27520], 99.90th=[52480], 99.95th=[60160],
     | 99.99th=[199680]
    bw (KB  /s): min=    0, max=381408, per=16.04%, avg=126214.97, stdev=74179.49
    lat (usec) : 4=0.01%, 10=0.01%, 20=0.01%, 50=0.01%, 100=1.00%
    lat (usec) : 250=17.04%, 500=68.85%, 750=8.23%, 1000=1.34%
    lat (msec) : 2=0.91%, 4=0.18%, 10=0.07%, 20=0.86%, 50=1.41%
    lat (msec) : 100=0.09%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
    lat (msec) : >=2000=0.01%
  cpu          : usr=2.18%, sys=25.08%, ctx=1551244, majf=0, minf=101
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
     issued    : total=r=0/w=11959674/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
  WRITE: io=46717MB, aggrb=786833KB/s, minb=786833KB/s, maxb=786833KB/s, mint=60799msec, maxt=60799msec
Disk stats (read/write):
  sda: ios=0/432291, merge=0/32114, ticks=0/4462516, in_queue=4467876, util=95.61%
./fio --time_based --name=benchmark --size=4086M --runtime=60 --filename=benchmark --ioengine=libaio --randrepeat=1 --iodepth=32 --direct=1 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randwrite --blocksize=4k --group_reporting
benchmark: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
...
fio-2.8
Starting 8 processes
benchmark: Laying out IO file(s) (1 file(s) / 4086MB)
benchmark: (groupid=0, jobs=8): err= 0: pid=17465: Fri Nov 11 10:28:50 2016
  write: io=10555MB, bw=180062KB/s, iops=45015, runt= 60025msec
    slat (usec): min=1, max=76167, avg=171.56, stdev=916.78
    clat (usec): min=58, max=123232, avg=5514.48, stdev=4838.67
     lat (usec): min=68, max=123235, avg=5686.13, stdev=4926.24
    clat percentiles (usec):
     |  1.00th=[  740],  5.00th=[ 1544], 10.00th=[ 2024], 20.00th=[ 2800],
     | 30.00th=[ 3504], 40.00th=[ 4128], 50.00th=[ 4768], 60.00th=[ 5408],
     | 70.00th=[ 6048], 80.00th=[ 6880], 90.00th=[ 8096], 95.00th=[10048],
     | 99.00th=[28544], 99.50th=[32128], 99.90th=[50944], 99.95th=[71168],
     | 99.99th=[91648]
    bw (KB  /s): min=15513, max=26424, per=12.53%, avg=22557.24, stdev=1927.69
    lat (usec) : 100=0.01%, 250=0.08%, 500=0.29%, 750=0.65%, 1000=0.67%
    lat (msec) : 2=8.08%, 4=27.89%, 10=57.31%, 20=2.36%, 50=2.56%
    lat (msec) : 100=0.10%, 250=0.01%
  cpu          : usr=0.70%, sys=5.96%, ctx=2321826, majf=0, minf=107
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
     issued    : total=r=0/w=2702051/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=32
Run status group 0 (all jobs):
  WRITE: io=10555MB, aggrb=180061KB/s, minb=180061KB/s, maxb=180061KB/s, mint=60025msec, maxt=60025msec
Disk stats (read/write):
  sda: ios=0/2701424, merge=0/38382, ticks=0/8714864, in_queue=8726200, util=99.93%
Downloaded 104857600 bytes in 0.953 sec Downloaded 104857600 bytes in 0.920 sec Downloaded 104857600 bytes in 0.956 sec Downloaded 104857600 bytes in 0.925 sec Downloaded 104857600 bytes in 0.901 sec Finished! Average download speed is 859.29 Mbit/s
Retrieving speedtest.net configuration... Retrieving speedtest.net server list... Testing from ReliableSite.Net ... Selecting 15 servers that are not too close: 1. MI CONNECTION (Mooresville, NC) [33.08 km]: 15.751 ms 2. Comporium Communications (Rock Hill, SC) [47.58 km]: 28.874 ms 3. City Internet Service (Rock Hill, SC) [47.58 km]: 32.136 ms 4. Fibrant (Salisbury, NC) [48.15 km]: 34.92 ms 5. TruVista Communications (Chester, SC) [78.49 km]: 48.014 ms 6. Piedmont Rural Telephone Coop. (Laurens, SC) [146.52 km]: 50.654 ms 7. Spirit Communications (Columbia, SC) [146.53 km]: 35.352 ms 8. CenturyLink, Inc (Columbia, SC) [146.53 km]: 95.967 ms 9. Farmers Telephone Cooperative, Inc. (Sumter, SC) [155.72 km]: 39.449 ms 10. Morris Broadband, LLC (Hendersonville, NC) [156.71 km]: 111.849 ms 11. Country Cablevision, Inc. (Burnsville, NC) [157.43 km]: 44.442 ms 12. ERC Broadband (Asheville, NC) [168.00 km]: 45.116 ms 13. SkyRunner Inc (Asheville, NC) [168.00 km]: 45.306 ms 14. Citizens Telephone Cooperative (Floyd, VA) [183.83 km]: 25.773 ms 15. West Carolina (Abbeville, SC) [194.79 km]: 49.613 ms Testing upload speeds 1. MI CONNECTION (Mooresville, NC): ......................... 239.25 Mbit/s 2. Comporium Communications (Rock Hill, SC): ......................... 106.56 Mbit/s 3. City Internet Service (Rock Hill, SC): ......................... 105.37 Mbit/s 4. Fibrant (Salisbury, NC): ......................... 206.44 Mbit/s 5. TruVista Communications (Chester, SC): ......................... 98.03 Mbit/s 6. Piedmont Rural Telephone Coop. (Laurens, SC):......................... 87.34 Mbit/s 7. Spirit Communications (Columbia, SC): ......................... 58.22 Mbit/s 8. CenturyLink, Inc (Columbia, SC): ......................... 14.61 Mbit/s 9. Farmers Telephone Cooperative, Inc. (Sumter, SC):......................... 70.77 Mbit/s 10. Morris Broadband, LLC (Hendersonville, NC): ......................... 69.51 Mbit/s 11. Country Cablevision, Inc. (Burnsville, NC): ......................... 43.23 Mbit/s 12. ERC Broadband (Asheville, NC): ......................... 188.12 Mbit/s 13. SkyRunner Inc (Asheville, NC): ......................... 71.55 Mbit/s 14. Citizens Telephone Cooperative (Floyd, VA): ......................... 283.52 Mbit/s 15. West Carolina (Abbeville, SC): ......................... 91.61 Mbit/s Average upload speed is 115.61 Mbit/s