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arXiv 1908.02640cs.ARcs.DCcs.PF
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Near-Memory Computing:过去、现在和未来

Near-Memory Computing: Past, Present, and Future

Gagandeep Singh, Lorenzo Chelini, Stefano Corda, Ahsan Javed Awan, Sander Stuijk, Roel Jordans, Henk Corporaal, Albert-Jan Boonstra

摘要:

由于数据重用有限,将数据移动到CPU进行计算的传统方法已成为新兴横向扩展数据密集型应用程序的显著性能瓶颈。与此同时,3D集成技术的进步使近十年来将计算单元耦合到内存的概念-称为近内存计算(NMC)-变得更加可行。在数据的“主页”进行处理可以显著减少数据密集型应用程序的数据移动问题。在本文中,我们调查了现有技术的NMC在各个方面(架构,应用程序,工具等)。并确定未来研究方向的关键挑战和开放问题。我们还提供了我们的方法,近内存计算,其中包括i)NMC特定的微架构独立的应用程序特性,ii)编译器框架卸载我们的目标NMC平台上的NMC内核和iii)分析模型,以评估NMC的潜力。

英文摘要:

The conventional approach of moving data to the CPU for computation has become a significant performance bottleneck for emerging scale-out data-intensive applications due to their limited data reuse. At the same time, the advancement in 3D integration technologies has made the decade-old concept of coupling compute units close to the memory --- called near-memory computing (NMC) --- more viable. Processing right at the "home" of data can significantly diminish the data movement problem of data-intensive applications. In this paper, we survey the prior art on NMC across various dimensions (architecture, applications, tools, etc.) and identify the key challenges and open issues with future research directions. We also provide a glimpse of our approach to near-memory computing that includes i) NMC specific microarchitecture independent application characterization ii) a compiler framework to offload the NMC kernels on our target NMC platform and iii) an analytical model to evaluate the potential of NMC.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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