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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// from caffe include/caffe/util/device_alternative.hpp</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#ifndef SINGA_UTILS_CUDA_UTILS_H_</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="preprocessor">#define SINGA_UTILS_CUDA_UTILS_H_</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &quot;singa/singa_config.h&quot;</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#ifdef USE_CUDA</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;cublas_v2.h&gt;</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;cuda.h&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;cuda_runtime.h&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;curand.h&gt;</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* cublasGetErrorString(cublasStatus_t error) {</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; <span class="keywordflow">switch</span> (error) {</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_SUCCESS:</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_SUCCESS&quot;</span>;</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_NOT_INITIALIZED:</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_NOT_INITIALIZED&quot;</span>;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_ALLOC_FAILED:</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_ALLOC_FAILED&quot;</span>;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_INVALID_VALUE:</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_INVALID_VALUE&quot;</span>;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_ARCH_MISMATCH:</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_ARCH_MISMATCH&quot;</span>;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_MAPPING_ERROR:</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_MAPPING_ERROR&quot;</span>;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_EXECUTION_FAILED:</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_EXECUTION_FAILED&quot;</span>;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_INTERNAL_ERROR:</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_INTERNAL_ERROR&quot;</span>;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#if CUDA_VERSION &gt;= 6000</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_NOT_SUPPORTED:</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_NOT_SUPPORTED&quot;</span>;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#if CUDA_VERSION &gt;= 6050</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keywordflow">case</span> CUBLAS_STATUS_LICENSE_ERROR:</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CUBLAS_STATUS_LICENSE_ERROR&quot;</span>;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;Unknown cublas status&quot;</span>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;}</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* curandGetErrorString(curandStatus_t error) {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">switch</span> (error) {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_SUCCESS:</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_SUCCESS&quot;</span>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_VERSION_MISMATCH:</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_VERSION_MISMATCH&quot;</span>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_NOT_INITIALIZED:</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_NOT_INITIALIZED&quot;</span>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_ALLOCATION_FAILED:</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_ALLOCATION_FAILED&quot;</span>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_TYPE_ERROR:</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_TYPE_ERROR&quot;</span>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_OUT_OF_RANGE:</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_OUT_OF_RANGE&quot;</span>;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_LENGTH_NOT_MULTIPLE:</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_LENGTH_NOT_MULTIPLE&quot;</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_DOUBLE_PRECISION_REQUIRED:</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_DOUBLE_PRECISION_REQUIRED&quot;</span>;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_LAUNCH_FAILURE:</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_LAUNCH_FAILURE&quot;</span>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_PREEXISTING_FAILURE:</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_PREEXISTING_FAILURE&quot;</span>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_INITIALIZATION_FAILED:</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_INITIALIZATION_FAILED&quot;</span>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_ARCH_MISMATCH:</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_ARCH_MISMATCH&quot;</span>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">case</span> CURAND_STATUS_INTERNAL_ERROR:</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;CURAND_STATUS_INTERNAL_ERROR&quot;</span>;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;Unknown curand status&quot;</span>;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;}</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="comment">// CUDA macros</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="comment">// CUDA: various checks for different function calls.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="preprocessor">#define CUDA_CHECK(condition) \</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="preprocessor"> </span><span class="comment">/* Code block avoids redefinition of cudaError_t error */</span><span class="preprocessor"> \</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="preprocessor"> do { \</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="preprocessor"> cudaError_t error = condition; \</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="preprocessor"> CHECK_EQ(error, cudaSuccess) &lt;&lt; &quot; &quot; &lt;&lt; cudaGetErrorString(error); \</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="preprocessor"> } while (0)</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="preprocessor">#define CUBLAS_CHECK(condition) \</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="preprocessor"> do { \</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="preprocessor"> cublasStatus_t status = condition; \</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="preprocessor"> CHECK_EQ(status, CUBLAS_STATUS_SUCCESS) &lt;&lt; &quot; &quot; \</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="preprocessor"> &lt;&lt; cublasGetErrorString(status); \</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="preprocessor"> } while (0)</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="preprocessor">#define CURAND_CHECK(condition) \</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="preprocessor"> do { \</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="preprocessor"> curandStatus_t status = condition; \</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="preprocessor"> CHECK_EQ(status, CURAND_STATUS_SUCCESS) &lt;&lt; &quot; &quot; \</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="preprocessor"> &lt;&lt; curandGetErrorString(status); \</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor"> } while (0)</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="preprocessor">#endif // USE_CUDA</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="preprocessor">#endif // SINGA_UTILS_CUDA_UTILS_H_</span></div></div><!-- fragment --></div><!-- contents -->
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