{"641144":{"#nid":"641144","#data":{"type":"event","title":"PhD Defense by Chao Chen","body":[{"value":"\u003Cp\u003E\u003Cstrong\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; Chao Chen\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp; \u0026nbsp; (Advisor: Dr. Santosh Pande and Dr. Greg Eisenhauer)\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; will defend a doctoral thesis entitled,\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003ECompiler-Assisted Resilience Framework for Transient Faulty Recovery\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; On\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp; \u003Cstrong\u003EMonday, November 23 at 11:00 a.m (EST).\u0026nbsp;\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u003Cstrong\u003ELocation\u003C\/strong\u003E:\u003Cstrong\u003E *No Physical Location*\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u003Cstrong\u003EBlueJeans\u003C\/strong\u003E: \u003Ca href=\u0022https:\/\/bluejeans.com\/896561546\u0022\u003Ehttps:\/\/bluejeans.com\/896561546\u003C\/a\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EAbstract\u003C\/strong\u003E:\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDue to system scaling trends toward smaller transistor size, higher circuit density and the use of near-threshold\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Evoltage (NTV) techniques, transient hardware faults introduced by external noises, e.g., heat fluxes and particle strikes,\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Ehave become a growing concern for current and upcoming extreme-scale high-performance-computing (HPC) systems.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EApplications running on these systems are projected to experience transient errors more frequently than ever\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Ebefore, which will either lead them to generate incorrect outputs without warning users or cause them to crash.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003ETherefore, efficient resilience techniques against transient hardware faults are required for modern HPC applications.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EThis dissertation is concerned with the design, implementation, and evaluation of a light-weight resilience framework for\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Elarge-scale scientific applications to mitigate impacts of transient hardware faults. In particular, it consists of 3 novel\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Etechniques: 1) LADR, a light-weight anomaly-based approach to protect scientific applications against transient-fault-induced\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Esilent data corruptions (SDCs);\u0026nbsp; 2) CARE, a low-cost compiler-assisted technique to repair the crashed process on-the-fly when\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Ea crash-causing transient error is detected, such that applications can continue their executions instead of being simply terminated\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Eand restarted; and 3) IterPro, which targets the problem of recovery from corruptions to the induction variables by exploiting\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Eside-effects of modern compiler optimization techniques.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003ETo limit the runtime overheads during the normal executions of applications, these approaches exploit properties of\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Escientific applications via compiler techniques. Due to the design strategy of these approaches,\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Ethey only incur negligible (\u0026lt;3%) or even zero runtime overheads during the normal execution of applications,\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003Ebut still achieve a high-level fault coverage.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ECommittee\u003C\/strong\u003E:\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Santosh Pande (advisor), School of Computer Science, Georgia Institute of Technology\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Greg Eisenhauer (advisor), School of Computer Science, Georgia Institute of Technology\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Ling Liu, School of Computer Science, Georgia Institute of Technology\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Vivek Sarkar, School of Computer Science, Georgia Institute of Technology\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Richard Vuduc, School of Computer Science and Engineering, Georgia Institute of Technology\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDr. Frank Cappello, Mathematics and Computer Science Division, Argonne National Laboratory\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003ERegards,\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Compiler-Assisted Resilience Framework for Transient Faulty Recovery"}],"uid":"27707","created_gmt":"2020-11-09 18:41:18","changed_gmt":"2020-11-10 22:06:05","author":"Tatianna Richardson","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2020-11-23T11:00:00-05:00","event_time_end":"2020-11-23T13:00:00-05:00","event_time_end_last":"2020-11-23T13:00:00-05:00","gmt_time_start":"2020-11-23 16:00:00","gmt_time_end":"2020-11-23 18:00:00","gmt_time_end_last":"2020-11-23 18:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"221981","name":"Graduate Studies"}],"categories":[],"keywords":[{"id":"100811","name":"Phd Defense"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1788","name":"Other\/Miscellaneous"}],"invited_audience":[{"id":"78761","name":"Faculty\/Staff"},{"id":"78771","name":"Public"},{"id":"174045","name":"Graduate students"},{"id":"78751","name":"Undergraduate students"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}