S4595-openacc-openmp4-apps-gpu-xeon-phi

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SIMD Friendly Algorithm [ISCA12] 21

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Register Level • Prefetching• Loop Unrolling and Jam• Undocumented Register Bank Conflicts inKepler [CGO13]20

SIMD Friendly Algorithm [ISCA12] 21

Page 1 and 2: 2014@San JoseShanghai Jiao Tong Un
Page 3 and 4: Why Direc>ve-‐based Programmi
Page 5 and 6: OpenACC2• Standard version evolut
Page 7 and 8: OpenACC2Parallel KernelDataLoopHost
Page 9 and 10: HOMP, OpenMP compiler for CUDA
Page 13 and 14: Performance impact of K40 and
Page 15 and 16: Performance Portability• Include
Page 17 and 18: Op>miza>on for Portable Performa
Page 19: Shared Memory/L2 (SHMEM) Level
Page 24 and 25: Outline• OpenACC2 and OpenMP4•