电脑配置是 i7-6700,24G 2133 内存（16+8）,三星 960 EVO SSD,GTX1060-6G,Ubuntu 14.04.5.
UnixBench
wget --no-check-certificate https://github.com/teddysun/across/raw/master/unixbench.sh
chmod +x unixbench.sh
sudo ./unixbench.sh
跑分结果如下：
Benchmark Run: 三 4月 12 2017 09:23:19 - 09:51:56
8 cpus in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 45855123.0 lps (10.0 s,7 samples)
Double-Precision Whetstone 4060.5 MWIPS (13.3 s,7 samples)
Execl Throughput 1745.1 lps (29.8 s,2 samples)
File Copy 1024 bufsize 2000 maxblocks 1581359.5 KBps (30.0 s,2 samples)
File Copy 256 bufsize 500 maxblocks 423460.0 KBps (30.0 s,2 samples)
File Copy 4096 bufsize 8000 maxblocks 2877241.2 KBps (30.0 s,2 samples)
Pipe Throughput 2889210.4 lps (10.0 s,7 samples)
Pipe-based Context Switching 301312.9 lps (10.0 s,7 samples)
Process Creation 20222.5 lps (30.0 s,2 samples)
Shell Scripts (1 concurrent) 15256.7 lpm (60.0 s,2 samples)
Shell Scripts (8 concurrent) 6719.6 lpm (60.0 s,2 samples)
System Call Overhead 5162889.3 lps (10.0 s,7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 45855123.0 3929.3
Double-Precision Whetstone 55.0 4060.5 738.3
Execl Throughput 43.0 1745.1 405.8
File Copy 1024 bufsize 2000 maxblocks 3960.0 1581359.5 3993.3
File Copy 256 bufsize 500 maxblocks 1655.0 423460.0 2558.7
File Copy 4096 bufsize 8000 maxblocks 5800.0 2877241.2 4960.8
Pipe Throughput 12440.0 2889210.4 2322.5
Pipe-based Context Switching 4000.0 301312.9 753.3
Process Creation 126.0 20222.5 1605.0
Shell Scripts (1 concurrent) 42.4 15256.7 3598.3
Shell Scripts (8 concurrent) 6.0 6719.6 11199.4
System Call Overhead 15000.0 5162889.3 3441.9
========
System Benchmarks Index score 2311.3
------------------------------------------------------------------------
Benchmark Run: 三 4月 12 2017 09:51:56 - 10:20:17
8 cpus in system; running 8 parallel copies of tests
Dhrystone 2 using register variables 224375587.4 lps (10.0 s,7 samples)
Double-Precision Whetstone 33994.6 MWIPS (11.3 s,7 samples)
Execl Throughput 36122.2 lps (30.0 s,2 samples)
File Copy 1024 bufsize 2000 maxblocks 1511470.0 KBps (30.0 s,2 samples)
File Copy 256 bufsize 500 maxblocks 396102.4 KBps (30.0 s,2 samples)
File Copy 4096 bufsize 8000 maxblocks 4030007.8 KBps (30.0 s,2 samples)
Pipe Throughput 13990301.4 lps (10.0 s,7 samples)
Pipe-based Context Switching 2183391.3 lps (10.0 s,7 samples)
Process Creation 87477.2 lps (30.0 s,2 samples)
Shell Scripts (1 concurrent) 64943.1 lpm (60.0 s,2 samples)
Shell Scripts (8 concurrent) 8458.1 lpm (60.0 s,2 samples)
System Call Overhead 10668823.5 lps (10.0 s,7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 224375587.4 19226.7
Double-Precision Whetstone 55.0 33994.6 6180.8
Execl Throughput 43.0 36122.2 8400.5
File Copy 1024 bufsize 2000 maxblocks 3960.0 1511470.0 3816.8
File Copy 256 bufsize 500 maxblocks 1655.0 396102.4 2393.4
File Copy 4096 bufsize 8000 maxblocks 5800.0 4030007.8 6948.3
Pipe Throughput 12440.0 13990301.4 11246.2
Pipe-based Context Switching 4000.0 2183391.3 5458.5
Process Creation 126.0 87477.2 6942.6
Shell Scripts (1 concurrent) 42.4 64943.1 15316.8
Shell Scripts (8 concurrent) 6.0 8458.1 14096.8
System Call Overhead 15000.0 10668823.5 7112.5
========
System Benchmarks Index score 7670.3
time echo
参考： http://www.cnblogs.com/exayong/p/6582508.html
输入：
time echo "scale=5000; 4*a(1)" | bc -l -q
3.141592653589793238462643383279502884197169399375105820974944592307\ 81640628620899862803482534211706798214808651328230664709384460955058\ 22317253594081284811174502841027019385211055596446229489549303819644\ 28810975665933446128475648233786783165271201909145648566923460348610\ 45432664821339360726024914127372458700660631558817488152092096282925\ 40917153643678925903600113305305488204665213841469519415116094330572\ 70365759591953092186117381932611793105118548074462379962749567351885\ 75272489122793818301194912983367336244065664308602139494639522473719\ 07021798609437027705392171762931767523846748184676694051320005681271\ 45263560827785771342757789609173637178721468440901224953430146549585\ 37105079227968925892354201995611212902196086403441815981362977477130\ 99605187072113499999983729780499510597317328160963185950244594553469\ 08302642522308253344685035261931188171010003137838752886587533208381\ 42061717766914730359825349042875546873115956286388235378759375195778\ 18577805321712268066130019278766111959092164201989380952572010654858\ 63278865936153381827968230301952035301852968995773622599413891249721\ 77528347913151557485724245415069595082953311686172785588907509838175\ 46374649393192550604009277016711390098488240128583616035637076601047\ 10181942955596198946767837449448255379774726847104047534646208046684\ 25906949129331367702898915210475216205696602405803815019351125338243\ 00355876402474964732639141992726042699227967823547816360093417216412\ 19924586315030286182974555706749838505494588586926995690927210797509\ 30295532116534498720275596023648066549911988183479775356636980742654\ 25278625518184175746728909777727938000816470600161452491921732172147\ 72350141441973568548161361157352552133475741849468438523323907394143\ 33454776241686251898356948556209921922218427255025425688767179049460\ 16534668049886272327917860857843838279679766814541009538837863609506\ 80064225125205117392984896084128488626945604241965285022210661186306\ 74427862203919494504712371378696095636437191728746776465757396241389\ 08658326459958133904780275900994657640789512694683983525957098258226\ 20522489407726719478268482601476990902640136394437455305068203496252\ 45174939965143142980919065925093722169646151570985838741059788595977\ 29754989301617539284681382686838689427741559918559252459539594310499\ 72524680845987273644695848653836736222626099124608051243884390451244\ 13654976278079771569143599770012961608944169486855584840635342207222\ 58284886481584560285060168427394522674676788952521385225499546667278\ 23986456596116354886230577456498035593634568174324112515076069479451\ 09659609402522887971089314566913686722874894056010150330861792868092\ 08747609178249385890097149096759852613655497818931297848216829989487\ 22658804857564014270477555132379641451523746234364542858444795265867\ 82105114135473573952311342716610213596953623144295248493718711014576\ 54035902799344037420073105785390621983874478084784896833214457138687\ 51943506430218453191048481005370614680674919278191197939952061419663\ 42875444064374512371819217999839101591956181467514269123974894090718\ 64942319615679452080951465502252316038819301420937621378559566389377\ 87083039069792077346722182562599661501421503068038447734549202605414\ 66592520149744285073251866600213243408819071048633173464965145390579\ 62685610055081066587969981635747363840525714591028970641401109712062\ 80439039759515677157700420337869936007230558763176359421873125147120\ 53292819182618612586732157919841484882916447060957527069572209175671\ 16722910981690915280173506712748583222871835209353965725121083579151\ 36988209144421006751033467110314126711136990865851639831501970165151\ 16851714376576183515565088490998985998238734552833163550764791853589\ 32261854896321329330898570642046752590709154814165498594616371802709\ 81994309924488957571282890592323326097299712084433573265489382391193\ 25974636673058360414281388303203824903758985243744170291327656180937\ 73444030707469211201913020330380197621101100449293215160842444859637\ 66983895228684783123552658213144957685726243344189303968642624341077\ 32269780280731891544110104468232527162010526522721116603966655730925\ 47110557853763466820653109896526918620564769312570586356620185581007\ 29360659876486117910453348850346113657686753249441668039626579787718\ 55608455296541266540853061434443185867697514566140680070023787765913\ 44017127494704205622305389945613140711270004078547332699390814546646\ 45880797270826683063432858785698305235808933065757406795457163775254\ 20211495576158140025012622859413021647155097925923099079654737612551\ 76567513575178296664547791745011299614890304639947132962107340437518\ 95735961458901938971311179042978285647503203198691514028708085990480\ 10941214722131794764777262241425485454033215718530614228813758504306\ 33217518297986622371721591607716692547487389866549494501146540628433\ 66393790039769265672146385306736096571209180763832716641627488880078\ 69256029022847210403172118608204190004229661711963779213375751149595\ 01566049631862947265473642523081770367515906735023507283540567040386\ 74351362222477158915049530984448933309634087807693259939780541934144\ 73774418426312986080998886874132604720
返回：
real 0m15.375s
user 0m15.376s
sys 0m0.000s
