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Event
CDL - 21st Century Computer Architecture

CISE Distinguished Lecture - Mark Hill - Univ of Wisconsin Madison

December 18, 2013 10:00 AM  to 
December 18, 2013 11:00 AM
NSF Room 110

Abstract:

This talk-suitable for a wide CS audience-has two parts. The first part will discuss possible directions for computer architecture research, including architecture as infrastructure, energy first, impact of new technologies, and cross-layer opportunities. This part is based on a 2012 Computing Community Consortium (CCC) whitepaper effort led by Hill. The second part of the talk is an example of the cross-layer research advocated in the first part. Analysis shows that many "big-memory" server workloads, such as databases, in-memory caches, and graph analytics, pay a high cost for page-based virtual memory: up to 50% of execution time wasted. Via small changes to the operating system (Linux) and hardware (x86-64 MMU), this work reduces execution time these workloads waste to less than 0.5%. The key idea is to map part of a process's linear virtual address space with a new incarnation of segmentation, while providing compatibility by mapping the rest of the virtual address space with paging.

Bio:

Dr. Mark D. Hill is the Gene M. Amdahl Professor of Computer Sciences and Electrical & Computer Engineering at the University of Wisconsin-Madison, where he also co-leads the Wisconsin Multifacet project. His research interests include parallel computer system design, memory system design, computer simulation, deterministic replay and transactional memory. He earned a Ph.D. from the University of California, Berkeley. He is an ACM Fellow, a Fellow of the IEEE, co-inventor on 30+ patents, and ACM SIGARCH Distinguished Service Award recipient. Hill's 30-year career has been largely supported by NSF.

The Webinar will be held from 10am to 11am EST on Wednesday, December 18, 2013.

Please register at https://nsf.webex.com/nsf/j.php?ED=231588382&UID=0&PW=NNGUyYjBiZGQx&RT=MiMxMQ%3D%3D by 11:59pm EDT on Tuesday, December 17, 2013.

After your registration is accepted, you will receive an email with a URL to join the meeting. Please be sure to join a few minutes before the start of the webinar. This system does not establish a voice connection on your computer; instead, your acceptance message will have a toll-free phone number that you will be prompted to call after joining. In the event the number of requests exceeds the capacity, some requests may have to be denied.

This event is part of Webinars/Webcasts.

Meeting Type
Webcast

Contacts
Cherrelle Dike, (703) 292-8125, cdike@nsf.gov

NSF Related Organizations
Directorate for Computer & Information Science & Engineering

Public Attachments
Flyer
Audio File

 



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