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SSRLabsFlashMemorySystemRedesignedforBigDataAugust20142014ScalableSystemsResearchLabs,Inc.
AxelKloth,President&CEOSSRLabs8/19/2014Confidential–donotcirculateoutsideofFMS-FlashMemorySummitExclusive-2OverviewBigDataisdefinedasLargeunstructureddatawithHighgrowthrate.
8/19/2014Confidential–donotcirculateoutsideofFMS-FlashMemorySummitExclusive-3BigDataImplicationsUnstructureddataequalsrandomdistributionofdataacrossalladdressesintheaddressspace.
Randomaccessestorandomaddressesdecreaseefficiencyofcachingstrategieswhichrelyonspatialandsomedegreetemporallocality.
8/19/2014Confidential–donotcirculateoutsideofFMS-FlashMemorySummitExclusive-4TechnologyImplicationsLargeunstructureddatainlargememoryarrays->verylowspatiallocality->lowcachingefficiency.
Multiplemulti-coreprocessorsormany-coreprocessorsworkingonalargeunstructureddatasetinmultiplelargememoryarrays->evenlowerspatiallocalityineachlevelofcache,includingsharedcache.
Sincecachingisnotasefficientinthoseapplications,highbandwidthandlowaveragelatencytotheentirememoryarrayarecrucial.
8/19/2014Confidential–donotcirculateoutsideofFMS-FlashMemorySummitExclusive-5TheoreticalSolutionsIdeally,alldataisheldinregisters.
Thatrequiresnewprocessors.
Thesecond-bestsolutionwouldbeallSRAMmemory.
Thisisprohibitivefromapowerandcoststandpoint.
Thethird-bestsolutionwouldbeaDRAM-lookalikesolution.
However,DRAM(particularlySSTL-2-attached)intheTBrangestillconsumestoomuchpower.
8/19/2014Confidential–donotcirculateoutsideofFMS-FlashMemorySummitExclusive-6PracticalSolutionsDRAM-likememoryarraysthatconsumelesspowerathigherdensitieswouldsolvetheproblem.
DirectattachmenttotheCPUispreferredoverSAS,SATAorPCIeforlatencyreasons.
EvenifaDRAM-likesolutionhasaslightlyhigherlatencythanDRAMatasubstantiallyhigherdensityitcanimproveperformance.
Anymassstorageaccessthatisrenderedunnecessarywillimproveperformance.
DDR-3/4BigDataAppliancewithDRAMandFlashDDR-3/4DRAMControllerDDR-3/4DRAMDIMMDDR-3/4FlashDIMMDDR-3/4DRAMDIMMDDR-3/4DRAMDIMMSharedSSTL-2InterfaceBandwidth:17GB/sProcessorwithDDR-3/4DRAMControllerDDR-3/4BigDataAppliancewithDRAMandFlashDDR-3/4DRAMControllerDDR-3/4DRAMDIMMDDR-3/4FlashDIMMDDR-3/4DRAMDIMMDDR-3/4DRAMDIMMSharedSSTL-2InterfaceBandwidth:17GB/sProcessorwithDDR-3/4DRAMControllerCurrentProcessorandDRAMCurrentProcessorandDRAM2CPUCoreL2CacheSRAML2CacheControllerMulti-CoreCPUwithin-orderDRAMControllersMux/DemuxDRAMCtrl0DRAMCtrl1DRAMCtrl2DRAMCtrl3DIMM0,1,2DIMM0,1,2DIMM0,1,2DIMM0,1,2Multi-DropDRAMArrayswithSSTL-2BusCPUCoreL2CacheSRAML2CacheControllerMulti-CoreCPUwithin-orderDRAMControllersMux/DemuxDRAMCtrl0DRAMCtrl1DRAMCtrl2DRAMCtrl3DIMM0,1,2DIMM0,1,2DIMM0,1,2DIMM0,1,2Multi-DropDRAMArrayswithSSTL-2BusHMCProcessorandMemoryHMC-enabledBigDataAppliancewithDRAMandFlashHMCHostAdapterHMCFlashModuleHMCFlashModuleHMCFlashModuleHMCDRAMModuleVaulttoDRAMBandwidth:160GB/sVaulttoFlashBandwidth:50GB/sVaulttoFlashBandwidth:50GB/sVaulttoFlashBandwidth:50GB/sFDXInterfaceBandwidth:30GB/sFDXInterfaceBandwidth:30GB/sFDXInterfaceBandwidth:30GB/sFDXInterfaceBandwidth:30GB/sProcessorwithHMCHostAdapterHMC-enabledBigDataAppliancewithDRAMandFlashHMCHostAdapterHMCFlashModuleHMCFlashModuleHMCFlashModuleHMCDRAMModuleVaulttoDRAMBandwidth:160GB/sVaulttoFlashBandwidth:50GB/sVaulttoFlashBandwidth:50GB/sVaulttoFlashBandwidth:50GB/sFDXInterfaceBandwidth:30GB/sFDXInterfaceBandwidth:30GB/sFDXInterfaceBandwidth:30GB/sFDXInterfaceBandwidth:30GB/sProcessorwithHMCHostAdapterHMCProcessorandMemory2CPUCoreL2CacheSRAML2CacheControllerMulti-CoreCPUwithout-of-orderHostAdaptersMux/DemuxHA0HA1HA2HA3DRAMCtrl0-15DRAMCtrl16-31DRAMCtrl32-47DRAMCtrl48-63DRAMArrayswithOOODRAMControllersDRAMArray0-15DRAMArray16-31DRAMArray32-47DRAMArray48-63CPUCoreL2CacheSRAML2CacheControllerMulti-CoreCPUwithout-of-orderHostAdaptersMux/DemuxHA0HA1HA2HA3CPUCoreL2CacheSRAML2CacheControllerMulti-CoreCPUwithout-of-orderHostAdaptersMux/DemuxHA0HA1HA2HA3DRAMCtrl0-15DRAMCtrl16-31DRAMCtrl32-47DRAMCtrl48-63DRAMArrayswithOOODRAMControllersDRAMArray0-15DRAMArray16-31DRAMArray32-47DRAMArray48-63DRAMCtrl0-15DRAMCtrl16-31DRAMCtrl32-47DRAMCtrl48-63DRAMArrayswithOOODRAMControllersDRAMArray0-15DRAMArray16-31DRAMArray32-47DRAMArray48-63SATA2/3Controller(s)PCIeControllerOptionalRAIDHW/FWDRAM&FirmwarePCIeSATA2/3ControllerL2CacheCPUCoresDRAMController(s)Mux/DeMuxCPUCore&UnCoreLogicPCIeRootComplexFlashControllerFlashMemoryArray0–n-1SATA2/3DeviceSATASSD"FlashDisk"SATA2/3Controller(s)PCIeControllerOptionalRAIDHW/FWDRAM&FirmwarePCIeSATA2/3ControllerSATA2/3Controller(s)PCIeControllerOptionalRAIDHW/FWDRAM&FirmwarePCIeSATA2/3ControllerL2CacheCPUCoresDRAMController(s)Mux/DeMuxCPUCore&UnCoreLogicPCIeRootComplexL2CacheCPUCoresDRAMController(s)Mux/DeMuxCPUCore&UnCoreLogicPCIeRootComplexFlashControllerFlashMemoryArray0–n-1SATA2/3DeviceSATASSD"FlashDisk"FlashControllerFlashMemoryArray0–n-1SATA2/3DeviceSATASSD"FlashDisk"SATA-attachedSSDPCIeControllerOptionalRAIDHW/FWDRAM&FirmwarePCIeFlashControllerL2CacheCPUCoresDRAMController(s)Mux/DeMuxCPUCore&UnCoreLogicPCIeRootComplexFlashControllerFlashMemoryArray0–n-1PCIeSSD"FlashDisk"PCIe-attachedSSDPCIeControllerOptionalRAIDHW/FWDRAM&FirmwarePCIeFlashControllerPCIeControllerOptionalRAIDHW/FWDRAM&FirmwarePCIeFlashControllerL2CacheCPUCoresDRAMController(s)Mux/DeMuxCPUCore&UnCoreLogicPCIeRootComplexL2CacheCPUCoresDRAMController(s)Mux/DeMuxCPUCore&UnCoreLogicPCIeRootComplexFlashControllerFlashMemoryArray0–n-1PCIeSSD"FlashDisk"FlashControllerFlashMemoryArray0–n-1PCIeSSD"FlashDisk"PCIe-attachedSSDPCIe-attachedSSDHMCPortHMCDRAMHMC-attachedSSDL2CacheCPUCoresHMCHAMux/DeMuxCPUCore&UnCoreLogicPCIeRootComplexHMCHAL2CacheCPUCoresHMCHAMux/DeMuxCPUCore&UnCoreLogicPCIeRootComplexHMCHAHMCPortDRAM&FirmwareRAIDHWopt.
HMCFlashFlashControllerFlashMemoryArray0–n-1DRAMMemoryArray0–n-1VaultControllerHMC-attached"SSD"8/19/2014Confidential–donotcirculateoutsideofFMS-FlashMemorySummitExclusive-14LegaleseTHISPRESENTATIONISPROVIDEDFORINFORMATIONPURPOSESONLYANDITSCONTENTSWILLNOTBEUPDATED.
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