M-WP007 Persistent Memory: NVDIMM-N and Optane™ DC DIMM™ White Paper
■Application responsiveness and system performance are key values for end users because every millisecond of latency can cost money. An excerpt from a recent article on high scalability in The GigaSpaces Technologies Blog (Insights into In-Memory Computing and Real-time Analytics).
■”Latency matters, Amazon found every 100ms of latency cost them 1% in sales. Google found an extra 0.5 seconds in search page generation time dropped traffic by 20%. A broker could lose $4 million in revenues per millisecond if their electronic trading platform is 5 milliseconds behind the competition.”
■Even more significant application level performance gains are achievable with the adoption of persistent memory. Persistent memory provides DRAM-speed access to memory, without the risk of losing data. This results in lower latency that can dramatically shorten data logging time, as just one example of its advantages.
■There are two types of DDR4 persistent memory modules available on the market today for data center servers. Although both modules can be installed in the same DDR4 systems and are used as byte-addressable, persistent memory, they have different characteristics and application use cases. This paper describes the two modules, identifies tradeoffs between them, and explains which data center server applications will benefit from using either one or both of these types of modules.
■The goal of this paper is to objectively compare the two module technologies, highlight each of their benefits and costs, and provide guidance for determining the best server application use cases for the NVDIMM-N and Optane DC DIMM.
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Persistent Memory 、 NVDIMM-N 、 Optane™ DC DIMM™ 、 DDR4 NVDIMM-N Persistent Memory Module 、 VDIMM 、 DIMMs |
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White Paper |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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01.07.22 |
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Rev.2 |
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1.6 MB |
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