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Date Created: 12/21/15
PCIe Storage Beyond SSDs Description: Classic Memory / Storage Hierarchy: CPU Cache, DRAM, Performance Gap, Performance Tier (SSDs), Capacity Tier (HDDs). Some system hot spots don’t fit well within that hierarchy: De-dup, Indexing, Compression, Encryption, Mapping. How about DRAM then- DRAM is susceptible to power failures, To protect mission critical information,either - Use UPS or BBU maintenance nightmare, Log everything to Storage Complexity, Performance and Endurance trade- offs. Mt Ramon Project – Hybrid Memory Card: So we went ahead and built it, 16GB NV-RAM, NVMe and Direct Memory InterfaceAccess Modes. What did we get- More than 1 Million IOPS More than 4X better than next best alternative.And what about CPU utilization- Up to 4x Better CPU Utilization. Memory Mapped Write IOPS- 15 Million Random Write IOPS for 64B Transactions. What next- Enable the Industry to support Memory-Mapped Storage by working through standards bodies: NVMexpress, SNIANVM Programming TWG, EnableApplications and Operating Systems ISV,Adopt methods andAPIs to recognize and take advantage of memory- mapped devices. Reference URL: http://electronics.wesrch.com/paper-details/pdf-EL11TZS1OIZEQ-pcie-sto rage-beyond-ssds
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