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PRODID:-//Microsoft Corporation//Outlook MIMEDIR//EN
VERSION:1.0
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DTSTART:20111118T000000Z
DTEND:20111118T003000Z
LOCATION:TCC 304
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:ABSTRACT: Reverse Time Migration (RTM) has become the standard for high-quality imaging in the seismic industry.  RTM relies on PDE solutions using stencils that are 8th order or larger, which require large-scale HPC clusters to meet the computational demands. However, the rising power consumption of conventional cluster technology has prompted investigation of architectural alternatives that offer higher computational efficiency.  In this work, we compare the performance and energy efficiency of three architectural alternatives -- the Intel Nehalem X5530 multicore processor, the NVIDIA Tesla C2050 GPU, and a manycore chip design called "Green Wave." We have developed an FPGA-accelerated architectural simulation platform to accurately model the power and performance of the Green Wave design. Results show that across highly tuned higher order RTM stencils, co-designed Green Wave implementation can offer up to 3.5x and 10x node power efficiency improvement compared with the GPU and Nehalem platforms.
SUMMARY:Hardware, Software Co-design for Energy Efficient Seismic Modeling
PRIORITY:3
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