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tutility.cu - cuda-memscrub - scrubs the global device memory of CUDA GPUs |
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git clone git://src.adamsgaard.dk/cuda-memscrub |
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tutility.cu (1249B) |
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1 #include <stdio.h> |
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2 |
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3 // MISC. UTILITY FUNCTIONS |
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4 |
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5 // Error handler for CUDA GPU calls. |
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6 // Returns error number, filename and line number containing the error… |
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7 // Please refer to CUDA_Toolkit_Reference_Manual.pdf, section 4.23.3.3… |
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8 // for error discription. Error enumeration starts from 0. |
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9 void checkForCudaErrors(const char* checkpoint_description) |
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10 { |
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11 cudaError_t err = cudaGetLastError(); |
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12 if (err != cudaSuccess) { |
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13 fprintf(stderr, "CUDA error detected at: %s\n" |
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14 "System error string: %s\n", checkpoint_description, |
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15 cudaGetErrorString(err)); |
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16 exit(EXIT_FAILURE); |
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17 } |
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18 } |
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19 |
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20 void checkForCudaErrors(const char* checkpoint_description, int iteratio… |
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21 { |
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22 cudaError_t err = cudaGetLastError(); |
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23 if (err != cudaSuccess) { |
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24 fprintf(stderr, "CUDA error detected at: %s at iteration %d.\n" |
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25 "System error string: %s\n", checkpoint_description, ite… |
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26 cudaGetErrorString(err)); |
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27 exit(EXIT_FAILURE); |
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28 } |
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29 } |
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30 |
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31 //Round a / b to nearest higher integer value |
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32 unsigned int iDivUp(unsigned int a, unsigned int b) |
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33 { |
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34 return (a % b != 0) ? (a / b + 1) : (a / b); |
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35 } |
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36 |
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37 // vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4 |
