mirror of https://github.com/BOINC/boinc.git
contents from these files could be found on trac wiki page.
svn path=/trunk/boinc/; revision=21907
This commit is contained in:
Tuan Le
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Tuan Le
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University of California, Berkeley
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Berkeley Space Sciences Lab
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tuanle86@berkeley.edu
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----------------------- Compiler ----------------------------
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You will need to install gcc 4.3 and g++ 4.3. It appears that Cuda 3.0 SDK has not yet worked
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with gcc 4.4 and g++ 4.4. Please follow these steps:
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sudo aptitude install gcc-4.3 g++-4.3
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cd ~/NVIDIA_GPU_Computing_SDK/C (go to SDK source dir. You should find the right path on your machine)
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mkdir mygcc
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cd mygcc
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ln -s $(which g++-4.3) g++
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ln -s $(which gcc-4.3) gcc
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Note: mygcc directory must be created since I have made symlinks to the 4.3 compiler to mygcc directory
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in my current Makefile.
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----------------------- Linux Makefile ----------------------
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common.mk file needs to be edited on your machine before running. Please follow these steps:
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1) Open "boinc/samples/nvcuda/common.mk" with gedit
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2) Ctrl+f and search for "tuanle". You will find the following:
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ROOTDIR ?= /home/tuanle/NVIDIA_GPU_Computing_SDK
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3) Replace this path with an appropriate path on your machine.
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4) Done!
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----------------------- Linux Troubleshooting ----------------
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Error: ./example_app_nvcuda: error while loading shared libraries: libcudart.so.3: cannot open
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shared object file: No such file or directory
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Read: http://developer.download.nvidia.com/compute/cuda/3_0/docs/GettingStartedLinux.pdf (on top of page 6)
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Solution: export PATH=/usr/local/cuda/bin:$PATH
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export LD_LIBRARY_PATH=/usr/local/cuda/lib:$LD_LIBRARY_PATH
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----------------------- Run Executable file ------------------
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"make" command will create an executable file in "boinc/samples/nvcuda/linux/release/".
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If your machine doesn't have CUDA-enabled GPU, then the executable file for this sample app in
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the release directory will stop execution after the statement "Start at inversion #1" is printed out on
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the terminal. In this case, it's best to run in emurelease mode. To generate an executable file in
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emurelease mode, type "make emu=1". The executable file is then created in "boinc/samples/nvcuda/linux/emurelease/".
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Tuan Le
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University of California, Berkeley
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Berkeley Space Sciences Lab
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tuanle86@berkeley.edu
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----------------------- Mac OS Makefile ----------------------
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By default, the NVIDIA Cuda SDK for MacOS is installed at $ROOT/Developer/ under the directory name "GPU Computing".
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If it is installed somewhere else, then common_mac.mk file needs to be edited by the following steps:
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1) Open "boinc/samples/nvcuda/common_mac.mk"
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2) Look for "ROOTDIR ?= /DeveloperGPU\ Computing"
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3) Replace this path with an appropriate path on your machine.
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4) Done!
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----------------------- Mac Troubleshooting ----------------
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Error: ./example_app_nvcuda_mac: library not found for -lcutil_i386.
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Solution: run make from "CPU Computing" directory to build the cutil_i386 library.
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Note: It appears that nvcc compiler has trouble compiling .cu file that contains both BOINC and
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Cuda code. Any attempt to compile such .cu files will result in errors like the following:
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/usr/lib/gcc/i686-apple-darwin9/4.0.1/include/mmintrin.h(55): error: identifier "__builtin_ia32_emms" is undefined
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/usr/lib/gcc/i686-apple-darwin9/4.0.1/include/mmintrin.h(68): error: identifier "__builtin_ia32_vec_init_v2si" is undefined
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/usr/lib/gcc/i686-apple-darwin9/4.0.1/include/mmintrin.h(111): error: identifier "__builtin_ia32_vec_ext_v2si" is undefined
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/usr/lib/gcc/i686-apple-darwin9/4.0.1/include/mmintrin.h(150): error: identifier "__builtin_ia32_packsswb" is undefined
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/usr/lib/gcc/i686-apple-darwin9/4.0.1/include/mmintrin.h(165): error: identifier "__builtin_ia32_packssdw" is undefined
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...........
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The solution that I came up with is to compile BOINC and Cuda seperately. Put BOINC code in .c file and CUDA code in .cu file.
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Then, write an external function in .cu file that will make kernel calls, do computation and return a result that could be used
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in .c file.
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----------------------- Run Executable file ------------------
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"make -f Makefile_mac" command will create an executable file in "boinc/samples/nvcuda/darwin/release/".
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If your machine doesn't have CUDA-enabled GPU, then the executable file for this sample app in
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the release directory will stop execution after some output statements on the terminal. In this case,
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it's best to run in emurelease mode. To generate an executable file in emurelease mode, type
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"make -f Makefile_mac emu=1". The executable file is then created in "boinc/samples/nvcuda/darwin/emurelease/".
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Note that NVIDIA Cuda SDK version older than version 3.0 will no longer support emulation mode.
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Also, you need to define some environment variables before running the executable file.
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export PATH=/usr/local/cuda/bin:$PATH
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export DYLD_LIBRARY_PATH=/usr/local/cuda/lib:$DYLD_LIBRARY_PATH
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