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DTSTART;TZID=America/Los_Angeles:20091112T150000
DTEND;TZID=America/Los_Angeles:20091112T160000
DTSTAMP:20231011T192457Z
CREATED:20231011T180836Z
LAST-MODIFIED:20231011T192457Z
UID:14247-1258038000-1258041600@www.cecs.uci.edu
SUMMARY:NEC's Manycore Platforms for Low-Power Embedded System
DESCRIPTION:NEC’s Manycore Platforms for Low-Power Embedded System\n\n\n\n\nSpeaker\n\n\nNaoki Nishi\nGM\, NEC Central Research Labs\,\nJapan\n\n\n\n\n\n\n\n\n\n\nCECS Host\n\n\nProfessor Nikil Dutt\n\n\n\n\n\n\n\n\n\n\nLocation\n\n\nDonald Bren Hall (DBH) 3011\, University of California\, Irvine\n\n\n\n\n\n\n\n\n\n\nDate & Time\n\n\nNovember 12\, 2009\nRefreshments at 1:30pm; Talk begins 2:00pm\n\n\n\n\n\n\n\n\n\n\nAbstract\n\n\nAfter short introduction of NEC’s R&D vision related to future ICT system handling real world in real time\, two examples of NEC’s manycore research activities will be presented. First example is an in-vehicle vision processor IMAPCAR-2 which supports SIMD-MIMD morphing\, and the second is a fine grain manycore architecture called STP (Stream TransPoser) engine which is a kind of dynamically reconfigurable hardware with C level language SDK support.\n\n\n\n\n\n\n\n\n\n\nBiography\n\n\nNaoki Nishi is a general manager at central research labs.\, NEC. He jointed NEC in 1984\, where he worked in research on micro-architectures and LSI development of the NEC SX vector supercomputer\, After the development of CMOS vector supercomputer SX-4 in 1996\, he has been conducting research on high-performance\, low-power multi-/many-cores. Naoki Nishi received his B.E. and M.E. degrees in system engineering from Hiroshima University\, Japan.
URL:https://www.cecs.uci.edu/event/necs-manycore-platforms-for-low-power-embedded-system/
LOCATION:CA
CATEGORIES:Seminars at CECS
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20091116T150000
DTEND;TZID=America/Los_Angeles:20091116T160000
DTSTAMP:20231011T182855Z
CREATED:20231011T182855Z
LAST-MODIFIED:20231011T182855Z
UID:14277-1258383600-1258387200@www.cecs.uci.edu
SUMMARY:Energy Efficient Computing
DESCRIPTION:Energy Efficient Computing\n\n\n\n\nSpeaker\n\n\nProf. Tajana Simunic Rosing\,\nDepartment of CSE\,\nUC San Diego\n\n\n\n\n\n\n\n\n\n\nCECS Host\n\n\nProfessor Daniel Gajski\n\n\n\n\n\n\n\n\n\n\nLocation\n\n\nEngineering Hall (EH) 2430\n\n\n\n\n\n\n\n\n\n\nDate & Time\n\n\nNovember 16 \, 2009\nRefreshments at 1:30 pm\, Lecture begins at 2:00 pm\n\n\n\n\n\n\n\n\n\n\nAbstract\n\n\nIn this talk\, we will present the algorithms we have developed at UCSD for lowering the energy consumption in computing systems. We derived optimal power management strategies for stationary workloads that have been implemented both in HW and SW. Run-time adaptation can be done via an online learning algorithm that selects among a set of policies. We generalized the algorithm to include thermal management since we found that minimizing the power consumption does not necessarily reduce the overall energy costs. To reduce the performance costs typically associated with state of the art thermal management techniques\, we also developed a new set of proactive management policies. The experimental results using real datacenter workloads on an actual multicore system show that our proactive technique is able to dramatically reduce the adverse effects of temperature by over 60%. Most recently we have shown that symbiotic scheduling of workloads in virtualized environments can lead to average 15% energy savings with 20% performance benefit in high utilization scenarios.We will also present some of the recent work that address the energy savings in battery powered systems\, as demonstrated in a new kind of “citizen infrastructure”\, an end-to-end health and environmental information system with near real-time data streams and feedback loops from the system to the sensing\, processing\, and actuation infrastructure. We have developed adaptive algorithms to tradeoff accuracy of computation versus the available energy for such systems\, while taking into account the energy harvesting capabilities.\n\n\n\n\n\n\n\n\n\n\nBiography\n\n\n\n \nTajana Simunic Rosing is currently an Assistant Professor in Computer Science Department at UCSD\, a director of System Energy Efficiency Lab at UCSD and a head of the Energy efficient datacenter thrust as a part of the MuSyC center. Her research interests are energy efficient computing\, embedded and wireless systems. She finished her PhD at Stanford University. Prior to pursuing the PhD\, she worked as a Senior Design Engineer at Altera Corporation. She has served at a number of Technical Paper Committees\, and is currently an Associate Editor of IEEE Transactions on Mobile Computing.
URL:https://www.cecs.uci.edu/event/energy-efficient-computing/
LOCATION:CA
CATEGORIES:Seminars at CECS
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20091117T150000
DTEND;TZID=America/Los_Angeles:20091117T160000
DTSTAMP:20231011T182855Z
CREATED:20231011T182855Z
LAST-MODIFIED:20231011T182855Z
UID:14276-1258470000-1258473600@www.cecs.uci.edu
SUMMARY:Advanced SoC Architectures for Multiple DRAMs (Enabled by 3D Die Stacking)
DESCRIPTION:Advanced SoC Architectures for Multiple DRAMs\n(Enabled by 3D Die Stacking)\n\n\n\n\nSpeaker\n\n\nDr. Sungjoo Yoo\nPOSTECH\n\n\n\n\n\n\n\n\n\n\nCECS Host\n\n\nProfessor Nikil Dutt\n\n\n\n\n\n\n\n\n\n\nLocation\n\n\nDonald Bren Hall (DBH) 3011\n\n\n\n\n\n\n\n\n\n\nDate & Time\n\n\nNovember 17 \, 2009\nRefreshments at 1:30 pm\, Lecture begins at 2:00 pm\n\n\n\n\n\n\n\n\n\n\nAbstract\n\n\nThe performance of data-intensive applications is mostly determined by the bandwidth and latency of off-chip DRAM. In order to improve the bandwidth and latency characteristics\, multiple memory-based solutions (enabled by 3D stacking of memory dies on top of LSI dies) are being actively investigated. With multiple DRAMs\, we come to face new architectural problems\, especially\, in memory controllers and on-chip network. In this talk\, we will discuss the architectural problems caused by multiple memories and present our solutions (request parallelizer\, in-network reorder buffer\, etc.) to address the problems. We will summarize this talk with some speculations on future SoC architectures with multiple memories.\n\n\n\n\n\n\n\n\n\n\nBiography\n\n\n\n \nDr. Sungjoo Yoo received B.S.\, M.S.\, and Ph.D. at Seoul National University\, Korea\, in 1992\, 1995\, and 2000\, respectively. He worked at TIMA laboratory\, Grenoble\, France from 2000 to 2004 and worked as principal engineer at System LSI Division\, Samsung Electronics from 2004 to 2008. At Samsung\, he led a team which developed AMBA3-based on-chip bus architectures for mobile SoCs\, and low power design solutions such as dynamic voltage and frequency scaling (DVFS) algorithms and performed hardware/software co-optimization of solid state disk products. He joined POSTECH (Pohang university of science and technology) in August 2008. His current research interests include memory hierarchy and network-on-chip for many-core SoC\, low power design based on runtime-distribution and temperature-aware DVFS\, and power efficiency/performance/reliability improvement of solid state disk.
URL:https://www.cecs.uci.edu/event/advanced-soc-architectures-for-multiple-drams-enabled-by-3d-die-stacking/
LOCATION:CA
CATEGORIES:Seminars at CECS
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20091118T150000
DTEND;TZID=America/Los_Angeles:20091118T160000
DTSTAMP:20231011T182854Z
CREATED:20231011T182854Z
LAST-MODIFIED:20231011T182854Z
UID:14275-1258556400-1258560000@www.cecs.uci.edu
SUMMARY:Concurrency and Communication: Lessons from the SHIM Project
DESCRIPTION:Concurrency and Communication: Lessons from the SHIM Project\n\n\n\n\nSpeaker\n\n\nDr. Stephen A. Edwards\,\nColumbia University\n\n\n\n\n\n\n\n\n\n\nCECS Host\n\n\nProfessor Tony Givargis\n\n\n\n\n\n\n\n\n\n\nLocation\n\n\nDonald Bren Hall (DBH) 4011\n\n\n\n\n\n\n\n\n\n\nDate & Time\n\n\nNovember 18\, 2009\nRefreshments at 10:30 am\, Lecture begins at 11:00am\n\n\n\n\n\n\n\n\n\n\nAbstract\n\n\nDescribing parallel hardware and software is difficult\, especially in an embedded setting. Five years ago\, we started the SHIM project to address this challenge by developing a programming language for hardware/software systems. The resulting language describes asynchronously running processes that has the useful property of scheduling-independence: the I/O of a SHIM program is not affected by any scheduling choices. I will present a history of the SHIM project with a focus on the key things we have learned along the way.\n\n\n\n\n\n\n\n\n\n\nBiography\n\n\nStephen A. Edwards received the B.S. degree in Electrical Engineering from the California Institute of Technology in 1992\, and the M.S. and Ph.D degrees\, also in Electrical Engineering\, from the University of California\, Berkeley in 1994 and 1997 respectively. He is currently an associate professor in the Computer Science Department of Columbia University in New York\, which he joined in 2001 after a three-year stint with Synopsys\, Inc.\, in Mountain View\, California. His research interests include embedded system design\, domain-specific languages\, and compilers.
URL:https://www.cecs.uci.edu/event/concurrency-and-communication-lessons-from-the-shim-project/
LOCATION:CA
CATEGORIES:Seminars at CECS
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