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<div class="title">TestGpuSelect.cu</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment"></span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (c) 2015-present, Facebook, Inc.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * All rights reserved.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This source code is licensed under the CC-by-NC license found in the</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * LICENSE file in the root directory of this source tree.</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// Copyright 2004-present Facebook. All Rights Reserved.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "../utils/DeviceUtils.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "../utils/BlockSelectKernel.cuh"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "../utils/WarpSelectKernel.cuh"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "../utils/HostTensor.cuh"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "../utils/DeviceTensor.cuh"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "../test/TestUtils.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <gtest/gtest.h></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <sstream></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <unordered_map></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv) {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  testing::InitGoogleTest(&argc, argv);</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">return</span> RUN_ALL_TESTS();</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> }</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keywordtype">void</span> testForSize(<span class="keywordtype">int</span> rows, <span class="keywordtype">int</span> cols, <span class="keywordtype">int</span> k, <span class="keywordtype">bool</span> dir, <span class="keywordtype">bool</span> warp) {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  std::vector<float> v = faiss::gpu::randVecs(rows, cols);</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classfaiss_1_1gpu_1_1HostTensor.html">faiss::gpu::HostTensor<float, 2, true></a> hostVal({rows, cols});</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> r = 0; r < rows; ++r) {</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < cols; ++c) {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  hostVal[r][c] = v[r * cols + c];</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// row -> (val -> idx)</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  std::unordered_map<int, std::vector<std::pair<int, float>>> hostOutValAndInd;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> r = 0; r < rows; ++r) {</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  std::vector<std::pair<int, float>> closest;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> c = 0; c < cols; ++c) {</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  closest.emplace_back(c, (<span class="keywordtype">float</span>) hostVal[r][c]);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">auto</span> dirFalseFn =</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  [](std::pair<int, float>& a, std::pair<int, float>& b) {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> a.second < b.second;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  };</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">auto</span> dirTrueFn =</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  [](std::pair<int, float>& a, std::pair<int, float>& b) {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> a.second > b.second;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  };</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  std::sort(closest.begin(), closest.end(), dir ? dirTrueFn : dirFalseFn);</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  hostOutValAndInd.emplace(r, closest);</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// Select top-k on GPU</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">faiss::gpu::DeviceTensor<float, 2, true></a> gpuVal(hostVal, 0);</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">faiss::gpu::DeviceTensor<float, 2, true></a> gpuOutVal({rows, k});</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">faiss::gpu::DeviceTensor<int, 2, true></a> gpuOutInd({rows, k});</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (warp) {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  faiss::gpu::runWarpSelect(gpuVal, gpuOutVal, gpuOutInd, dir, k, 0);</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  faiss::gpu::runBlockSelect(gpuVal, gpuOutVal, gpuOutInd, dir, k, 0);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// Copy back to CPU</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classfaiss_1_1gpu_1_1HostTensor.html">faiss::gpu::HostTensor<float, 2, true></a> outVal(gpuOutVal, 0);</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classfaiss_1_1gpu_1_1HostTensor.html">faiss::gpu::HostTensor<int, 2, true></a> outInd(gpuOutInd, 0);</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> r = 0; r < rows; ++r) {</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  std::unordered_map<int, int> seenIndices;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < k; ++i) {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">float</span> gpuV = outVal[r][i];</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">float</span> cpuV = hostOutValAndInd[r][i].second;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  EXPECT_EQ(gpuV, cpuV) <<</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="stringliteral">"rows "</span> << rows << <span class="stringliteral">" cols "</span> << cols << <span class="stringliteral">" k "</span> << k << <span class="stringliteral">" dir "</span> << dir</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  << <span class="stringliteral">" row "</span> << r << <span class="stringliteral">" ind "</span> << i;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// If there are identical elements in a row that should be</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// within the top-k, then it is possible that the index can</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// differ, because the order in which the GPU will see the</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// equivalent values is different than the CPU (and will remain</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// unspecified, since this is affected by the choice of</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// k-selection algorithm that we use)</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">int</span> gpuInd = outInd[r][i];</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">int</span> cpuInd = hostOutValAndInd[r][i].first;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// We should never see duplicate indices, however</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">auto</span> itSeenIndex = seenIndices.find(gpuInd);</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  EXPECT_EQ(itSeenIndex, seenIndices.end()) <<</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="stringliteral">"Row "</span> << r << <span class="stringliteral">" user index "</span> << gpuInd << <span class="stringliteral">" was seen at both "</span> <<</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  itSeenIndex->second << <span class="stringliteral">" and "</span> << i;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  seenIndices[gpuInd] = i;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  if (gpuInd != cpuInd) {</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// Gather the values from the original data via index; the</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// values should be the same</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">float</span> gpuGatherV = hostVal[r][gpuInd];</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">float</span> cpuGatherV = hostVal[r][cpuInd];</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  EXPECT_EQ(gpuGatherV, cpuGatherV) <<</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="stringliteral">"rows "</span> << rows << <span class="stringliteral">" cols "</span> << cols << <span class="stringliteral">" k "</span> << k << <span class="stringliteral">" dir "</span> << dir</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  << <span class="stringliteral">" row "</span> << r << <span class="stringliteral">" ind "</span> << i << <span class="stringliteral">" source ind "</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  << gpuInd << <span class="stringliteral">" "</span> << cpuInd;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// General test</span></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> TEST(TestGpuSelect, test) {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 10; ++i) {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">int</span> rows = faiss::gpu::randVal(10, 100);</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">int</span> cols = faiss::gpu::randVal(1, 30000);</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> k = std::min(cols, faiss::gpu::randVal(1, 1024));</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">bool</span> dir = faiss::gpu::randBool();</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  testForSize(rows, cols, k, dir, <span class="keyword">false</span>);</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> }</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// Test for k = 1</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> TEST(TestGpuSelect, test1) {</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 5; ++i) {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">int</span> rows = faiss::gpu::randVal(10, 100);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">int</span> cols = faiss::gpu::randVal(1, 30000);</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">bool</span> dir = faiss::gpu::randBool();</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  testForSize(rows, cols, 1, dir, <span class="keyword">false</span>);</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> }</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// Test for where k = #cols exactly (we are returning all the values,</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// just sorted)</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> TEST(TestGpuSelect, testExact) {</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 5; ++i) {</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">int</span> rows = faiss::gpu::randVal(10, 100);</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">int</span> cols = faiss::gpu::randVal(1, 1024);</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">bool</span> dir = faiss::gpu::randBool();</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  testForSize(rows, cols, cols, dir, <span class="keyword">false</span>);</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> }</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
|
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment">// General test</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> TEST(TestGpuSelect, testWarp) {</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 10; ++i) {</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">int</span> rows = faiss::gpu::randVal(10, 100);</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">int</span> cols = faiss::gpu::randVal(1, 30000);</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">int</span> k = std::min(cols, faiss::gpu::randVal(1, 1024));</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordtype">bool</span> dir = faiss::gpu::randBool();</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
|
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  testForSize(rows, cols, k, dir, <span class="keyword">true</span>);</div>
|
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> }</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
|
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">// Test for k = 1</span></div>
|
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> TEST(TestGpuSelect, test1Warp) {</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 5; ++i) {</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">int</span> rows = faiss::gpu::randVal(10, 100);</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">int</span> cols = faiss::gpu::randVal(1, 30000);</div>
|
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">bool</span> dir = faiss::gpu::randBool();</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
|
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  testForSize(rows, cols, 1, dir, <span class="keyword">true</span>);</div>
|
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
|
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div>
|
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// Test for where k = #cols exactly (we are returning all the values,</span></div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment">// just sorted)</span></div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> TEST(TestGpuSelect, testExactWarp) {</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 5; ++i) {</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">int</span> rows = faiss::gpu::randVal(10, 100);</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordtype">int</span> cols = faiss::gpu::randVal(1, 1024);</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">bool</span> dir = faiss::gpu::randBool();</div>
|
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
|
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  testForSize(rows, cols, cols, dir, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
|
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> }</div>
|
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<div class="ttc" id="classfaiss_1_1gpu_1_1HostTensor_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1HostTensor.html">faiss::gpu::HostTensor</a></div><div class="ttdef"><b>Definition:</b> <a href="HostTensor_8cuh_source.html#l00023">HostTensor.cuh:23</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1DeviceTensor_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1DeviceTensor.html">faiss::gpu::DeviceTensor< float, 2, true ></a></div></div>
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