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| Content Provider | ACM Digital Library |
|---|---|
| Author | Muralimanohar, Naveen Ranganathan, Parthasarathy Yoon, Doe Hyun Chang, Jichuan |
| Abstract | To address the real-time processing needs of large and growing amounts of data, modern software increasingly uses main memory as the primary data store for critical information. This trend creates a new emphasis on high-capacity, high-bandwidth, and high-reliability main memory systems. Conventional and recently-proposed server memory techniques can satisfy these requirements, but at the cost of significantly increased memory power, a key constraint for future memory systems. In this paper, we exploit the low-power nature of another high volume memory component---mobile DRAM---while improving its bandwidth and reliability shortcomings with a new DIMM architecture. We propose Buffered Output On Module (BOOM) that buffers the data outputs from multiple ranks of low-frequency mobile DRAM devices, which in aggregation provide high bandwidth and achieve chipkill-correct or even stronger reliability. Our evaluation shws that BOOM can reduce main memory power by more than 73% relative to the baseline chipkill system, while improving average performance by 5% and providing strong reliability. For memory-intensive applications, BOOM can improve performance by 30--40%. |
| Starting Page | 25 |
| Ending Page | 36 |
| Page Count | 12 |
| File Format | |
| ISBN | 9781450316422 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2012-06-09 |
| Access Restriction | Subscribed |
| Content Type | Text |
| Resource Type | Article |
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