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Dell High Performance Computing Solution Resources Owner's manual

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  • What is the main advantage of using the Dell PowerEdge C6320p platform?
    How does the Intel Xeon Phi in Dell EMC C6320p differ from previous versions?
    What is the benefit of having MCDRAM on the Intel Xeon Phi in Dell EMC C6320p?
    How does the C6320p compare to the C6320 in terms of theoretical DP Flops per sled?
    What is the maximum number of cores supported in a C6320p sled?
EnteringaNewArenainComputing
By:MuniraHussain,December2016–HPCInnovationLab
Inordertobuildabalancedclusterecosystemandeliminatebottle‐necks,theneedforpowerfuland
denseservernodeconfigurationsisessentialtosupportparallelcomputing.Thechallengeistoprovide
maximumcomputepowerwithefficientI/Osubsystemperformance,includingmemoryand
networking.Someoftheemergingtechnologiesalongwithtraditionalcomputingthatareneededfor
intensecomputepowerareadvancedparallelalgorithmsintheareasofresearch,lifescienceand
financialapplication.
DellPowerEdgeC6320p
TheintroductionoftheDellEMCC6320pplatform,whichisoneofthedensestandgreatestmaximum
corecapacityplatformofferingsinHPCsolutions,providesaleapinthisdirection.
ThePowerEdgeC6320pplatformisDellEMC’sfirstself‐bootableIntelXeonPhiplatform.Thepreviously
availableversionsofIntelXeonPhiwerePCIEadaptersthatrequiredahostsystemtobepluggedinto.
Fromthecoreperspective,itsupportsupto72processingcores,witheachcoresupportingtwovector
processingunitscapableofAVX‐512instructions.Thisincreasesthecomputationoffloatingpoint
operationsrequiringlongervectorinstructionsunlikeIntelXeon®v4processorsthatsupportuptoAVX‐
2instructions.TheIntelXeonPhiinDellEMCC6320palsofeatureson‐package16GBoffastMCDRAM
thatisstackedontheprocessor.TheavailabilityofMCDRAMhelpsout‐of‐orderexecutionin
applicationsthataresensitivetohighmemorybandwidth.Thisisinadditiontothesixchannelsof
DDR4memoryhostedontheserver.Beingasinglesocketserver,theC6320pprovidesalowpower
consumptioncomputenodecomparedtotraditionaltwosocketnodesinHPC.
ThefollowingtableshowsplatformdifferencesaswecomparethecurrentDellEMCPowerEdge
C6320andDellEMCPowerEdgeC6320pserverofferingsinHPC.
C6320 C6320p
ServerFormFactor 2UChassiswithfoursleds 2UChassiswithfoursleds
Processors
DualSocket SingleSocket
ProcessorModel Intel®Xeon Intel®XeonPhi
Maxcoresinasled Upto44physicalcores,88logical
cores
(withtwo*Intel®XeonE5‐2699
v4,2.2GHz,55MB,22cores,
145W)
Upto72physicalcores,288logical
cores
(withtheIntel®XeonPhiProcessor
7290(16GB,1.5GHz,72core,245W)
TheoreticalDPFlops
persled
1.26TFlops/sec 2.9TFlops/sec
Memory
DIMMslots 16DDR4DIMMslots
6DDR4DIMMslots+
on‐die16GBMCDRAM
MCDRAMBW
(Memorymode)
N/A ~475‐490GB/s
DDR4BW ~135GB/s ~90GBs
Interconnects
Provisioningfabric Dualport1Gb/10GbE Singleport1GbE
HighSpeed IntelOmni‐PathFabric(100Gbps)
MellanoxInfiniband(100Gbps)
IntelOmni‐PathFabric(100Gbps)
On‐boardMellanoxInfiniband
(100Gbps)
Storage
Upto24x2.5”or12x3.5”HD 6x2.5”HDpernode+
Internal1.8”SSDoptionforboot
Management
IntegratedDellEMC
RemoteAccess
Controller
DedicatedandsharediDRAC8 DedicatedandsharediDRAC8
Table1:ComparingtheC6320andC6320pofferinginHPC
DellEMCSupportedHPCSolution:
DellEMCoffersacomplete,tested,verifiedandvalidatedsolutionofferingontheC6320pservers.This
isbasedonBrightClusterManger7.3withRHEL7.2thatincludesspecifichighlyrecommendedkernel
andsecurityupdates.ItwillalsoprovidesupportfortheupcomingRHEL7.3operatingsystem.The
solutionprovidesautomateddeployment,configuration,managementandmonitoringofthecluster.It
alsointegratesrecommendedIntelperformancetweaks,aswellasrequiredsoftwaredriversandother
developmenttoolkitstosupporttheIntelXeonPhiprogrammingmodel.
ThesolutionprovidesthelatestnetworkingsupportforbothInfiniBandandIntelOmni‐PathFabric.It
alsoincludesDellEMC‐supportedSystemManagementtoolsthatarebundledtoprovidecustomers
withtheeaseofclustermanagementonDellEMChardware.
*Note:Asacontinuationtothisblog,therewillbefollow‐onmicro‐levelbenchmarkingandapplication
studypublishedonC6320p.
References:
1) http://www.dell.com/us/business/p/poweredge‐c6320p/pd?ref=PD_OC
2) http://en.community.dell.com/techcenter/high‐performance‐
computing/b/general_hpc/archive/2016/11/11/cryo‐em‐in‐hpc‐with‐knl
/