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SCHEDULE: NOV 16-21, 2014
When viewing the Technical Program schedule, on the far righthand side is a column labeled "PLANNER." Use this planner to build your own schedule. Once you select an event and want to add it to your personal schedule, just click on the calendar icon of your choice (outlook calendar, ical calendar or google calendar) and that event will be stored there. As you select events in this manner, you will have your own schedule to guide you through the week.
Fault Tolerant Iterative Solvers through Selective Reliability and Skeptical Programming
SESSION: Doctoral Showcase - Dissertation Research II
EVENT TYPE: Doctoral Showcase
TIME: 2:00PM - 2:15PM
SESSION CHAIR: Karen L. Karavanic
Presenter(s):James Elliott
ROOM:386-87
ABSTRACT:
Problem: Current and future systems may experience transient faults that silently corrupt data being operated on. These faults are troubling, because there is no indication a fault occurred and the cost to detect an error may involve performing operations multiple times and voting to determine if any values are tainted.
Approach: I focus on numerical methods and have proposed an approach called Skeptical Programming. My research couples the numerical method and the properties of data being operated on to derive cheap invariants that filter out large “damaging” errors, while allowing small “bounded” errors to slip through. The errors that slip through are easily handled by convergence theory, resulting in a low-overhead algorithm-based fault tolerance approach that exploits both numerical analysis and system-level fault tolerance. This technique scales well since we do not require additional communications, and is applicable to many methods (we present findings for the CG and GMRES solvers).
Chair/Presenter Details:
Karen L. Karavanic (Chair) - Portland State University
James Elliott - North Carolina State University
Click here to download .ics calendar file
