SC12 Home > SC12 Schedule > SC12 Presentation - Heterogeneous Scheduling for Performance and Programmability

SCHEDULE: NOV 10-16, 2012

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Heterogeneous Scheduling for Performance and Programmability

SESSION: Doctoral Showcase - Dissertation Research Showcase

EVENT TYPE: Doctoral Showcase

TIME: 2:15PM - 2:30PM


Presenter(s):Thomas R. W. Scogland


Heterogeneity is increasing at all levels of computing, with the rise of accelerators such as GPUs, FPGAs, and other co-processors into everything from desktops to supercomputers. More quietly it is increasing with the rise of NUMA systems, hierarchical caching, OS noise, and a myriad of other factors. As heterogeneity becomes a fact of life at every level of computing, efficiently managing heterogeneous compute resources is becoming a critical task; correspondingly however it increases complexity. Our work seeks to improve the programmability of heterogeneous systems by providing runtime systems, and proposed programming model extensions, which increase performance portability and performance consistency while retaining a familiar programming model for the user. The results so far are an extension to MPICH2 which automatically increases the performance consistency of MPI applications in unbalanced systems and a runtime scheduler which automatically distributes the iterations of Accelerated OpenMP parallel regions across CPU and GPU resources.

Chair/Presenter Details:

Yong Chen (Chair) - Texas Tech University

Thomas R. W. Scogland - Virginia Tech

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