Rocky v.1.0.0-c Simulacion

8/22/2019 Rocky v.1.0.0-c Simulacion

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ROCKY CPU Processing Speed Tests100-C-072711

Page1of5|Copyright2011ComminutionTechnology,JV.Allrightsreserved.

ComminutionTechnology,JV|1111WestHollyStreet,Bellingham,WA98225,USA

360-671-2200|www.conveyor-dynamics.com

ROCKY CPU Processing Speed TestsThestreamlinedcalculationsincludedwithinROCKYproducefasterandmoreaccurateresultswhen

comparedtootherDEMproducts.However,onlyROCKYincludesnon-roundparticles,which,becauseof

theirextracornersandplanes,takemoreprocessingpowertocalculatethansphericalparticles.Therefore,

whencomparingprocessingspeedsamongDEMproducts,itisimportanttocompareapplestoapples,orin

thiscase,sphereparticleswithsphereparticles.

Also,becausenon-roundparticlesarenewtotheDEMworld,itisimportanttounderstandhowusingnon-

roundparticlesinyoursimulationimpactsyourprocessingtime.Itisalsoimportanttounderstandhow

increasingyourprocessingpowerimpactsyouroverallsimulationtime.

Tohelpillustratethesepoints,theComminutionTechnologyengineersusedROCKYtoprocesssimulations

usingseveraldifferentcombinationsofroundandnon-roundparticlegroupsonseveraldifferentcomputers

withdifferentprocessors.Theresultingdatagivesyouabasicguidelineforprocessingsimulationsonyour

ownmachines.

Test Results

ThefollowingdatawascollectedbysettingupsimilarROCKYsimulationsusingthesamechutegeometries

andparticlesizeanddistributionsettings(seeParticleShapeandSizeDistributions).Thesimulationswere

thenprocessedfor20secondsofrealflowtimeonthemachinesdescribedbelow.Theclocktimeittookto

completethesimulationswasthenrecorded.

Basedonthisdata,youcancometoyourownconclusionsabouthowdifferentparametersaffectsimulation

time,andcanusethoseconclusionstodeterminewhatprocessingoptionsworkbestforyourneeds.

Forexample:

Increasingtheparticlesizeratiowillcausetimepenalties.

Agroupofmono-sizedparticleswillprocess12timesfasterthanequivalentlysized,non-round,15-

facetedparticles.

(Andsoon.)

ComminutionTechnologywillcontinuetoupdatethisdataasinformationbecomesavailable.Ifyouwould

liketosharethedatayouhavecollectedrunningROCKYonyourownmachines,please contactCT.

Important:Thisinformationisprovidedasaguidelineonly.Actualresultsmayvary.
mailto:[email protected]?subject=ROCKY%20Processing%20Speed%20Data%20Sharingmailto:[email protected]?subject=ROCKY%20Processing%20Speed%20Data%20Sharingmailto:[email protected]?subject=ROCKY%20Processing%20Speed%20Data%20Sharingmailto:[email protected]?subject=ROCKY%20Processing%20Speed%20Data%20Sharing


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Table 1: Processing Time on Dual-Core AMD Opteron 8222

Number of Processors

Type # particles 16

Non-Round Particles 400-50 mm

Continuous Size Range100000 22:33:00

Processor:Dual-CoreAMDOpteron8222 Clock Speed: 3.0GHz # of Cores:2# of CPUs:8 Memory:24GB

Table 2: Processing Time on AMD Opteron 6100 Series ProcessorNumber of Processors

Type # particles 48

Non-Round Particles 400-50 mmContinuous Size Range

50000 9:16:22

100000 23:41:57

200000 31:14:39

rocessor:AMDOpteron6100SeriesProcessor,Model6176SE Clock Speed:2.3GHz # of Cores:12 # of CPUs:4 Memory:32GB
http://shop.amd.com/US/_layouts/shop/ProductDetails.aspx?productID=OSA8222CYWOF&region=en-ushttp://shop.amd.com/US/_layouts/shop/ProductDetails.aspx?productID=OSA8222CYWOF&region=en-ushttp://shop.amd.com/US/_layouts/shop/ProductDetails.aspx?productID=OSA8222CYWOF&region=en-ushttp://products.amd.com/en-us/OpteronCPUDetail.aspx?id=642&f1=&f2=&f3=Yes&f4=&f5=&f6=&f7=&f8=&f9=&f10=&f11=&http://products.amd.com/en-us/OpteronCPUDetail.aspx?id=642&f1=&f2=&f3=Yes&f4=&f5=&f6=&f7=&f8=&f9=&f10=&f11=&http://products.amd.com/en-us/OpteronCPUDetail.aspx?id=642&f1=&f2=&f3=Yes&f4=&f5=&f6=&f7=&f8=&f9=&f10=&f11=&http://products.amd.com/en-us/OpteronCPUDetail.aspx?id=642&f1=&f2=&f3=Yes&f4=&f5=&f6=&f7=&f8=&f9=&f10=&f11=&http://shop.amd.com/US/_layouts/shop/ProductDetails.aspx?productID=OSA8222CYWOF&region=en-us


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Table 3: Processing Time on Intel Xeon Processor X7560Number of Processors

Type # particles 2 4 8 16 32 64*

Non-RoundParticles 400-50mm Size Range

2500 1:20:23 0:43:27 0:25:22 0:18:41 0:15:36

10000 8:02:12 4:08:12 2:11:38 1:17:06 0:49:03

25000 25:10:06 12:48:04 6:34:15 3:25:25 2:09:0350000 58:01:31 29:45:17 15:36:39 7:41:10 4:48:42 2:41:26

100000 133:27:06 68:59:05 36:28:59 17:00:15 10:26:46 8:34:12

200000 125:13:14 46:44:04 26:28:46 21:41:35 15:32:11

Non-RoundParticles 50 mm(Monospheres)

100000 10:08:49

200000 24:46:20

Round Particles

50 mm(Monospheres)

2500 0:14:40 0:10:53 0:09:21 0:12:31 0:10:51

10000 0:34:18 0:20:55 0:14:34 0:15:24 0:16:21

25000 1:12:16 0:40:39 0:25:07 0:22:40 0:21:04

50000 2:07:06 1:09:17 0:41:16 0:33:45 0:30:04

100000 4:33:31 2:27:05 1:18:12 0:59:04 0:50:52

200000 12:16:19 6:45:57 3:30:20 2:05:41 1:42:05

* 32 processors with hyper-threading

= Data not collected

Processor:IntelXeonProcessorX7560 Clock Speed:2.27GHz # of Cores:8# of CPUs:4 Memory:16GB
http://ark.intel.com/Product.aspx?id=46499http://ark.intel.com/Product.aspx?id=46499http://ark.intel.com/Product.aspx?id=46499http://ark.intel.com/Product.aspx?id=46499


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Particle Shape and Size Distributions

DescribedbelowarethevariousparametersusedtosetuptheRounds(R)andNon-Round(NR)particlesin

theROCKYsimulationsreferencedabove.

Round Particle Parameters

Type= Spherical

SizeDist= 100%@50mm

RollingResistance= 0

Density= 1000

Tonnage= 49.09 (for2,500particles)

196.35 (for10,000particles)






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Non-Round Particle Parameters

Type= RoundedPolyhedron

VerticalAspectRatio= 1.5

HorizontalAspectRatio= 0.8

Smoothness= 0.307

NumberofCorners= 15

SuperquadricDegree= 2

RollingResistance= 0

Density= 1000

Size(for50mmruns)= 100%@50mm(for50mmruns)

Size(for400-50mmruns)= (Continuoussizedistribution)

Tonnage(for50mmruns)= 40.69 (for2,500particles) 162.77 (for10,000particles)





Tonnage(for400-50mmruns)=153.00 (for2,500particles)



3060.00 (for50,000particles)6120.00 (for100,000particles)


Rocky v.1.0.0-c Simulacion

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