Difference between revisions of "Cuda"

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* http://www.litec-computer.de/PC-Komponenten/Grafikkarten/PCI-express/nVidia/Gigabyte-GV-NX85T256H-8500GT-512MB-Dual-DVI-TV-out-passiv::13515.html
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== troubleshooting ==
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* http://www.litec-computer.de/PC-Komponenten/Grafikkarten/PCI-express/nVidia/ASUS-EN8500GT-SILENT-MAGIC-HTD-512MB-DVI-TV-out-passiv::13117.html
 
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* beachten : keine 88 (kann kein atomic), nur 85 oder 86, möglichst viel ram (512mb) , keine karten mit "Nur 128-bit Speicherinterface"
 
  
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* svn+ssh://ghoulsblade@zwischenwelt.org/var/svn/robertprojarbeit
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* compiling cuda samples : error message "... cannot be declared weak" : gcc-4.4 is not supported,
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* http://zwischenwelt.org/svn/robertprojarbeit
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** http://carlosscheidegger.wordpress.com/2009/11/16/cuda-2-3-on-ubuntu-9-10/
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** add “–compiler-bindir=/usr/bin/gcc-4.3″ to NVCCFLAGS in your makefiles
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** cuda/shared/common.mk
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** cuda//C/common/common.mk
  
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* nvidia-cuda-forum http://forums.nvidia.com/index.php?showforum=62  (search for 8600)
 
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* nvidia-cuda-hp http://developer.nvidia.com/object/cuda.html
 
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* FAQ : http://forums.nvidia.com/index.php?showtopic=36286&hl=8600  (many interesting programming tips)
 
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* SIMD : http://en.wikipedia.org/wiki/Vector_processor
 
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* samples http://developer.download.nvidia.com/compute/cuda/sdk/website/samples.html
 
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* cuda 1.0 announcement 26.june : http://forums.nvidia.com/index.php?showtopic=39030&hl=8600
 
  
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* running example : segfault
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** cuda driver not installed ?
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** try :  make emu=1
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** try :  make dbg=1 emu=1
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** gdb ... backtrace:  0xb7fa7ccd in cudaGetDeviceProperties () from /usr/local/cuda/lib/libcudart.so.2
  
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*  $(CUDA_BIN_PATH)\nvcc.exe -arch sm_11 -ccbin "$(VCInstallDir)bin" -c -DWIN32 -D_CONSOLE -D_MBCS -Xcompiler /EHsc,/W3,/nologo,/Wp64,/O2,/Zi,/MT -I"$(CUDA_INC_PATH)" -I./ -I../../common/inc -o $(ConfigurationName)\myproj.obj myproj.cu
 
  
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* error : /usr/bin/ld: cannot find -lglut
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** solution : apt-get install libglut3-dev
  
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<pre>
 
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##### ##### ##### ##### #####device 0
 
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name : GeForce 8500 GT
 
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    261888k totalGlobalMem
 
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        16k sharedMemPerBlock
 
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        8k regsPerBlock
 
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        32 warpSize
 
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      256k memPitch
 
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      512 maxThreadsPerBlock
 
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      512 maxThreadsDim[0]
 
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      512 maxThreadsDim[1]
 
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        64 maxThreadsDim[2]
 
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        63k maxGridSize[0]
 
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        63k maxGridSize[1]
 
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        1 maxGridSize[2]
 
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        64k totalConstMem
 
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        1 major
 
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        1 minor
 
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      1371k clockRate
 
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      256 textureAlignment
 
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##### ##### ##### ##### #####device 1
 
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name : GeForce 8500 GT
 
−
    261824k totalGlobalMem
 
−
        16k sharedMemPerBlock
 
−
        8k regsPerBlock
 
−
        32 warpSize
 
−
      256k memPitch
 
−
      512 maxThreadsPerBlock
 
−
      512 maxThreadsDim[0]
 
−
      512 maxThreadsDim[1]
 
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        64 maxThreadsDim[2]
 
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        63k maxGridSize[0]
 
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        63k maxGridSize[1]
 
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        1 maxGridSize[2]
 
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        64k totalConstMem
 
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        1 major
 
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        1 minor
 
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      1371k clockRate
 
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      256 textureAlignment
 
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</pre>
 
  
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<pre>
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* error (during launch) : error while loading shared libraries: libcudart.so.2: cannot open shared object file: No such file or directory
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N=65536
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** solution : /etc/ld.so.conf
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SX=2048
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** add line : /usr/local/cuda/lib
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SY=64
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** start /sbin/ldconfig
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SZ=2
 
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I0=32
 
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DATASIZE_IN_RAW=2304kb
 
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DATASIZE_IN_STATE=256kb
 
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DATASIZE_IN_INDEX=136kb
 
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DATASIZE_IN_TOTAL=2696kb
 
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DATASIZE_OUT_TOTAL=16384kb
 
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0.74 sec : reading data from file
 
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assert passed : (INDEXPOS_0(I0) == INDEXSTART_1-1)
 
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assert passed : (INDEXPOS_1(I0-1,I0) == INDEXSTART_2-1)
 
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assert passed : (INDEXPOS_2(I0-1,I0-1,I0) == INDEX_END-1)
 
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assert passed : (sz < 255)
 
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-2.478893,-2.459100,-2.459100,...,4.097229
 
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0.09 sec : generating index data
 
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0.02 sec : allocate and init device mem
 
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9.55 sec : exec kernel on device
 
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0.00 sec : receive results from device
 
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atom[0]=57100 atom[1]=0 iNumResults=57100 kMaxResults=2097152
 
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check : with index on cpu...
 
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check : with index on cpu: iNumResults=57100
 
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17.29 sec : check : with index on cpu
 
  
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Press ENTER to exit...
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== old ==
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</pre>
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coarse-strong-ultra-100-96_10000.txt
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[[cuda_old_notes]]

Latest revision as of 00:16, 29 November 2009

troubleshooting


  • running example : segfault
    • cuda driver not installed ?
    • try : make emu=1
    • try : make dbg=1 emu=1
    • gdb ... backtrace: 0xb7fa7ccd in cudaGetDeviceProperties () from /usr/local/cuda/lib/libcudart.so.2


  • error : /usr/bin/ld: cannot find -lglut
    • solution : apt-get install libglut3-dev


  • error (during launch) : error while loading shared libraries: libcudart.so.2: cannot open shared object file: No such file or directory
    • solution : /etc/ld.so.conf
    • add line : /usr/local/cuda/lib
    • start /sbin/ldconfig

old

cuda_old_notes

Retrieved from "https://ghoulsblade.schattenkind.net/wiki/index.php?title=Cuda&oldid=3525"