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Ò»¸öÈËûÊ£¬ ¿´µ½ÊÖ±ßÓÐÒ»¸ö±ðÈËÌÔÌ­ÏÂÀ´µÄÒ»¸ǫ̈ʽ»ú£¬¾Í×°ÆðÀ´£¬ ÅÜÁ˼¸¸ö·Ö×Ó¶¯Á¦Ñ§µÄ²âÊÔÀý×Ó¡£ÏëÆðÀ´ºÜ¶àÈ˳õѧÕßÌØ±ðÊǸոսӴ¥¸ß·Ö×ÓÄ£ÄâµÄѧÉú£¬ ²»ÖªµÀÈçºÎÈëÊÖ½øÐи߷Ö×ÓÎïÀíÏà¹ØµÄ·Ö×Ó¶¯Á¦Ñ§Ä£Ä⣬ ÎҾͰѹý³ÌÏêϸд³öÀ´£¬ ¹©Ïë×ö¸ß·Ö×ÓÄ£ÄâµÄͬѧ²Î¿¼¡£
ÎÒ×¼±¸´Ó»ù±¾µÄÓ²¼þ¿ªÊ¼£¬ һֱдµ½×îа濪ԴÈí¼þµÄ°²×°µ÷ÊÔ£¬  ×îºóÎÒ»á¸ø³öÕą̂±»ÈËÍæÓÎÏ·¶¼ÌÔÌ­µÄ»úÆ÷ÉÏ×öµÄ»ù×¼²âÊÔ½á¹û¡£(Ìá¸Ù£¬ ÓÐʱ¼äÎÒ»áÂýÂý³äʵ£©


I. ±»ÈËÌÔÌ­µÄÓ²¼þ

ÎÒÊֱߵÄÕą̂µçÄÔ£¬ ÊÇһ̨˫ºË µÄDELL OPTIPLEX 760̨ʽ»ú£¬ ÎÒ°ÑÄÚ´æ¼Óµ½8G£¬ Ô­À´µÄÏÔ¿¨ÉÕÁË£¬ ÎÒ¼ðÁË¿éNVIDIA GTX 745ÏÔ¿¨×°ÉÏ£¬ ¿ÉÒÔ½øÐÐGPU¼ÆËã¡£

II. ²Ù×÷ϵͳ

±ðÈ˵ĵçÄÔÉÏÓиöÕý°æµÄWindow 7, ÎÒ¾Íû¶¯ËûµÄ¾Éϵͳ¡£ÎÒ¹ýÈ¥Ò»Ö±Óà FEDORA£¬ ÒòΪϲ»¶Æä×ÔÓÉ¡¢ÓѰ®¡¢½Ü³ö¡¢Ç°ÎÀµÄ·ç¸ñ¡£Ä¿Ç°FEDORAµÄ°æ±¾ÊÇ26£¬ Õâ¸ö°æ±¾¼¯ÖÐÁËLINUX×îÏȽøµÄ¹¦ÄÜ¡£ÎÒÏÂÔØºó£¬ÔÚµçÄÔÉϰ²×°ÁËwindow/Fedora˫ϵͳ¡£

III. GPU¼ÆËã»·¾³

Èç¹ûÏë½øÐÐGPU¼ÆË㣬 ĿǰÖ÷Á÷ÊÇʹÓÃCUDA±à³Ì»·¾³¡£ÕâÐèÒªÁ½²½£¬ µÚÒ»²½Êǰ²×°NvidiaÏÔ¿¨Çý¶¯£¬µÚ¶þ²½Êǰ²×°CUDA toolkit¡£Ä¿Ç°CUDA TookitµÄ¿ª·¢Õß°æ±¾ÊÇ9.0£¬ ¹«¿ª°æ±¾ÊÇ8.0¡£³õѧÕßÖ±½ÓÏÂÔØ²»ÐèҪע²á¹«¿ª°æ±¾¾Í¿ÉÒÔÁË¡£ÎÒÕâÀïÊÇÓÃÁË9.0°æ×öÀý×Ó£¬ ²»¹ý¶ÔÓû§Ã»Óвî±ð¡£

ÕâÀïÓöµ½µÄµÚÒ»¸öÎÊÌâÊÇ ×îаæµÄFEDORA 26£¬ ºÍ ×îаæµÄCUDA Tool Kit 8.0/9.0²»¼æÈݵÄÎÊÌ⣬ ÎÞ·¨±àÒëͨ¹ýCUDA ToolkitµÄ²âÊÔÀý×Ó¡£Õâ¸öÎÊÌâµÄÔ­ÒòÊÇǰÕßËùЯ´øµÄ¸ß°æ±¾GCC±àÒëÆ÷ºÍCUDA²»¼æÈÝ£¬ÍøÉÏÓÐÈËÓÃÐÞ¸ÄÔ´´úÂëµÄ·½Ê½½â¾öÕâ¸öÎÊÌ⣬ µ«ÊÇÕâÐèÒª½Ï¸ßµÄ¼¼ÇÉ£¬ ²»ÊʺϳõѧÕß¡£

ÎÒͨ¹ý±àÒëÆ÷°æ±¾½µ¼¶£¬ ¼òµ¥µØ½â¾öÁËÕâ¸öÎÊÌ⣬ ÕâÒ²ÊÇĿǰFEDORAÏîÄ¿ÍÆ¼öµÄ·½·¨£¬ ¸ÅÀ¨ÈçÏ£º

How to run the cuda 8.0 toolkit and compile the sample in Fedora 26

1. Fedora 26 comes with gcc version 7.x, which is incompatible with cuda 9.0 amd 8.0

2. sudo dnf install cuda-1*, where the dependence of compact-gcc-5.3* is installed.

3. sudo dnf install cuda*, maybe there is a conflict between cudnn5 and cudnn6. choose anyone.

4. sudo dnf install cuda-sample*, which is installed at /usr/share/cuda/.

5. export HOST_COMPILER=g++53

6. cp /usr/share/cuda/samples ~/

7. make

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IV. ·Ö×Ó¶¯Á¦Ñ§Ä£ÄâÈí¼þ LAMMPSµÄ°²×°

ÎÒĿǰÖ÷Òª²ÉÓõÄMDÈí¼þÊÇLAMMPS¡£ÎÒÕâÀïÒ²ÍÆ¼ö³õѧÕßʹÓÃÕâÒ»Èí¼þ¡£ÕâÀﲻͨÂÛÕâÒ»Èí¼þµÄʹÓü¼ÇÉ£¬ Ö»ÊǴӴģÄâÆ½Ì¨µÄ½Ç¶È£¬ ˵Ã÷ÈçºÎ¹¹½¨×î¿ìËÙµÄÄ£Äâ»·¾³¡£

ÏÂÔØ×îаæµÄLAMMPSÈí¼þºó£¬ ¾Í¿ÉÒÔ½øÐа²×°¡£Õë¶ÔÆÕͨµÄMPI»·¾³²»ÒÔÓ¦¸Ã³öÏÖʲôÎÊÌâ¡£ÎÊÌâ±È½Ï¶àµÄ²¿·ÖÊÇGPUºÍKOKKOS¼ÓËÙ²¿·ÖµÄ±àÒë¡£

ÕâÁ½¸öÄ£¿éµÄ°²×°ºÍ±àÒëµÄ¼¼ÇÉÈçÏ£º

***********************
For GPU: lib/gpu/makefile
......
CUDA_HOME = /usr
...¡­
CUDA_ARCH = -arch=sm_50
...¡­
CUDA_INCLUDE = -I$(CUDA_HOME)/include/cuda
......
CUDA_OPTS = -ccbin g++53 -DUNIX -O3 -Xptxas -v --use_fast_math


***********************
For Kokkos_CUDA: src/MAKE/Makefile

......
CCFLAGS =       -g -O3 -ccbin g++53 -I/usr/include/cuda
......
LINKFLAGS =     -g -O3 -ccbin g++53 -I/usr/include/cuda
......
KOKKOS_ARCH =   Maxwell50


Éæ¼°µÄÎÊÌâÊDZàÒëÆ÷·¾¶£¬ Í·Îļþ·¾¶£¬ ÒÔ¼°GPUµÄCUDA°æ±¾¡£ÕâЩÎÊÌâÔÚÉÏÃæµÄMakefileÀïµÃµ½Á˽â¾ö¡££¨ÓÐʱ¼äÎÒ»áÏêϸ½âÊÍÕâÒ»¹ý³Ì£©

V. ¾ßÌåËãÀý¼° BENCHMARK£¨´ýÐø£©

1. LJ Á£×Ó

2. ´ÖÁ£»¯µÄ¸ß·Ö×ÓÈÛÌåÄ£ÐÍ

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