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Exploring the future of out-of-core computing with compute-local non-volatile memory.
- Source :
-
Scientific Programming . 2014, Vol. 22 Issue 2, p125-139. 15p. - Publication Year :
- 2014
-
Abstract
- Drawing parallels to the rise of general purpose graphical processing units (GPGPUs) as accelerators for specific high-performance computing (HPC) workloads, there is a rise in the use of non-volatile memory (NVM) as accelerators for I/O-intensive scientific applications. However, existing works have explored use of NVM within dedicated I/O nodes, which are distant from the compute nodes that actually need such acceleration. As NVM bandwidth begins to out-pace point-to-point network capacity, we argue for the need to break from the archetype of completely separated storage.Therefore, in this work we investigate co-location of NVM and compute by varying I/O interfaces, file systems, types of NVM, and both current and future SSD architectures, uncovering numerous bottlenecks implicit in these various levels in the I/O stack. We present novel hardware and software solutions, including the new Unified File System (UFS), to enable fuller utilization of the new compute-local NVM storage. Our experimental evaluation, which employs a real-world Out-of-Core (OoC) HPC application, demonstrates throughput increases in excess of an order of magnitude over current approaches. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10589244
- Volume :
- 22
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- Scientific Programming
- Publication Type :
- Academic Journal
- Accession number :
- 96193774
- Full Text :
- https://doi.org/10.1155/2014/303810