@inproceedings{9deb2457f9694a33a8f64ed0a056ebcc,
title = "Adaptive Thermal Management for 3D ICs with Stacked DRAM Caches",
abstract = "We describe an adaptive thermal management system for 3D-ICs with stacked DRAM cache memories. We present a detailed analysis of the impact of 3D-IC hotspot aggregation on the refresh behavior of the stacked DRAM-based L3 cache. We also present the consequence of the refresh variation on the overall system performance and cache energy consumption. Our analysis demonstrates that memory intensive applications are influenced more strongly by the DRAM refresh variation. We show that there is an optimal operating point where, with a reduced clock frequency, processor cores would actually recover any performance loss induced by DRAM refresh and at the same time the cache energy consumption could be optimized. We propose a low overhead run-time method that can identify the best CPU frequency modulation factor to cool the system to minimize accelerated refresh rates in the DRAM caches. Our system can provide a customizable trade-off between performance of the processor and energy savings of the memory.",
keywords = "3D-IC, DRAM, cache, low power design, thermal management",
author = "Dawei Li and Kaicheng Zhang and Akhil Guliani and Memik, {Seda Ogrenci}",
note = "Funding Information: This work was partially supported by the DOE Grant DESC0012531 and NSF Grant CCF-1422489. Publisher Copyright: {\textcopyright} 2017 ACM.; 54th Annual Design Automation Conference, DAC 2017 ; Conference date: 18-06-2017 Through 22-06-2017",
year = "2017",
month = jun,
day = "18",
doi = "10.1145/3061639.3062197",
language = "English (US)",
series = "Proceedings - Design Automation Conference",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "Proceedings of the 54th Annual Design Automation Conference 2017, DAC 2017",
address = "United States",
}
