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

Recommendations

Info

Direc>ve-‐based Programming for Accelerators [1]• Standard– OpenACC– OpenMP >=4.0• Product– PGI Accelerators– HMPP• Research Projects– R-Stream– HiCUDA– OpenMPC/OpenMP for accelerators[1] S. Lee and J. S. VeTer, “Early evalua>on of direc>ve-‐based GPU programming models for produc>ve exascale compu>ng,” presented at the High Performance Compu>ng, Networking, Storage and Analysis (SC), 2012 Interna>onal Conference for, 2012, pp. 1–11.4
OpenACC2• Standard version evolution is much fasterthan OpenMP and MPI : ~1.5yearStandard/Version 1.0 2.0 3.0 4.0OpenACC Nov 2011 July 2013 -‐-‐ -‐-‐OpenMP-‐Fortran Oct 1997 Nov 2000 May 2008 July 2013MPI June 1994 July 1997 Sept 2012 -‐-‐• Supported by PGI/CAPS/CRAY compiler5
Page 1 and 2: 2014@San JoseShanghai Jiao Tong Un
Page 3: Why Direc>ve-‐based Programmi
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 and 20: Shared Memory/L2 (SHMEM) Level
Page 21 and 22: SIMD Friendly Algorithm [ISCA12]
Page 24 and 25: Outline• OpenACC2 and OpenMP4•

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

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?