字节可寻址持久存储器inHigh-Performance和数据密集型计算的使用场景
Usage Scenarios for Byte-Addressable Persistent Memory inHigh-Performance and Data Intensive Computing
摘要：
字节可寻址持久存储器（B-APM）为弥补主存和存储之间的性能差距提供了一个新的机会。在本文中，我们将根据英特尔DCPMM的功能，介绍这项新技术的使用场景。我们概述了DCPMM的一些基本性能特征，并解释了如何配置和使用它来满足HPC和数据密集型领域中内存和I/O密集型应用程序的需求。两个决策树提出了建议的配置选项B-APM，他们的使用说明了两个例子。我们表明，该技术的灵活性具有真正颠覆性的潜力，不仅因为它可以提供的性能改进，还因为它允许系统在同质硬件上满足更广泛的应用。
英文摘要：
Byte-addressable persistent memory (B-APM) presents a new opportunity to bridge the performance gap between main memory and storage. In this paper, we present the usage scenarios for this new technology, based on the capabilities of Intel's DCPMM. We outline some of the basic performance characteristics of DCPMM, and explain how it can be configured and used to address the needs of memory and I/O intensive applications in the HPC and data intensive domains. Two decision trees are presented to advise on the configuration options for B-APM; their use is illustrated with two examples. We show that the flexibility of the technology has the potential to be truly disruptive, not only because of the performance improvements it can deliver, but also because it allows systems to cater for wider range of applications on homogeneous hardware.
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