255 lines
25 KiB
HTML
255 lines
25 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.8.5"/>
|
|
<title>Faiss: /data/users/matthijs/github_faiss/faiss/gpu/utils/Float16.cuh Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<script type="text/javascript">
|
|
$(document).ready(function() { searchBox.OnSelectItem(0); });
|
|
</script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td style="padding-left: 0.5em;">
|
|
<div id="projectname">Faiss
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.5 -->
|
|
<script type="text/javascript">
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|
</script>
|
|
<div id="navrow1" class="tabs">
|
|
<ul class="tablist">
|
|
<li><a href="index.html"><span>Main Page</span></a></li>
|
|
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
|
|
<li><a href="annotated.html"><span>Classes</span></a></li>
|
|
<li class="current"><a href="files.html"><span>Files</span></a></li>
|
|
<li>
|
|
<div id="MSearchBox" class="MSearchBoxInactive">
|
|
<span class="left">
|
|
<img id="MSearchSelect" src="search/mag_sel.png"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
alt=""/>
|
|
<input type="text" id="MSearchField" value="Search" accesskey="S"
|
|
onfocus="searchBox.OnSearchFieldFocus(true)"
|
|
onblur="searchBox.OnSearchFieldFocus(false)"
|
|
onkeyup="searchBox.OnSearchFieldChange(event)"/>
|
|
</span><span class="right">
|
|
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
|
|
</span>
|
|
</div>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
<div id="navrow2" class="tabs2">
|
|
<ul class="tablist">
|
|
<li><a href="files.html"><span>File List</span></a></li>
|
|
</ul>
|
|
</div>
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Friends</a></div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div id="nav-path" class="navpath">
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_6b3ae6988449b0834e9596fad5d75199.html">gpu</a></li><li class="navelem"><a class="el" href="dir_498271007b03b2a0521055e88776887b.html">utils</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">Float16.cuh</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**</span></div>
|
|
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2015-present, Facebook, Inc.</span></div>
|
|
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * All rights reserved.</span></div>
|
|
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This source code is licensed under the BSD+Patents license found in the</span></div>
|
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * LICENSE file in the root directory of this source tree.</span></div>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Copyright 2004-present Facebook. All Rights Reserved.</span></div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#pragma once</span></div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <cuda.h></span></div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "../GpuResources.h"</span></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "DeviceTensor.cuh"</span></div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// For float16, We use the half datatype, expecting it to be a struct</span></div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// as in CUDA 7.5.</span></div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#if CUDA_VERSION >= 7050</span></div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define FAISS_USE_FLOAT16 1</span></div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// Some compute capabilities have full float16 ALUs.</span></div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#if __CUDA_ARCH__ >= 530</span></div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define FAISS_USE_FULL_FLOAT16 1</span></div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span><span class="preprocessor">#endif // __CUDA_ARCH__ types</span></div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#endif // CUDA_VERSION</span></div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="preprocessor">#include <cuda_fp16.h></span></div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>faiss { <span class="keyword">namespace </span>gpu {</div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// 64 bytes containing 4 half (float16) values</span></div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">struct </span>Half4 {</div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  half2 a;</div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  half2 b;</div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> };</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">inline</span> __device__ float4 half4ToFloat4(Half4 v) {</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  float2 a = __half22float2(v.a);</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  float2 b = __half22float2(v.b);</div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  float4 out;</div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  out.x = a.x;</div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  out.y = a.y;</div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  out.z = b.x;</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  out.w = b.y;</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> out;</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> }</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">inline</span> __device__ Half4 float4ToHalf4(float4 v) {</div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  float2 a;</div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  a.x = v.x;</div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  a.y = v.y;</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  float2 b;</div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  b.x = v.z;</div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  b.y = v.w;</div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  Half4 out;</div>
|
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  out.a = __float22half2_rn(a);</div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  out.b = __float22half2_rn(b);</div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> out;</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// 128 bytes containing 8 half (float16) values</span></div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">struct </span>Half8 {</div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  Half4 a;</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  Half4 b;</div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> };</div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"></span></div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">/// Returns true if the given device supports native float16 math</span></div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"></span><span class="keywordtype">bool</span> getDeviceSupportsFloat16Math(<span class="keywordtype">int</span> device);</div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"></span></div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">/// Copies `in` to `out` while performing a float32 -> float16 conversion</span></div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"></span><span class="keywordtype">void</span> runConvertToFloat16(half* out,</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> <span class="keywordtype">float</span>* in,</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">size_t</span> num,</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  cudaStream_t stream);</div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"></span></div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment">/// Copies `in` to `out` while performing a float16 -> float32</span></div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">/// conversion</span></div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span><span class="keywordtype">void</span> runConvertToFloat32(<span class="keywordtype">float</span>* out,</div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> half* in,</div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">size_t</span> num,</div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  cudaStream_t stream);</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> Dim></div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keywordtype">void</span> toHalf(cudaStream_t stream,</div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  Tensor<float, Dim, true>& in,</div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  Tensor<half, Dim, true>& out) {</div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  FAISS_ASSERT(in.numElements() == out.numElements());</div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// The memory is contiguous (the `true`), so apply a pointwise</span></div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// kernel to convert</span></div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  runConvertToFloat16(out.data(), in.data(), in.numElements(), stream);</div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> }</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> Dim></div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> DeviceTensor<half, Dim, true> toHalf(GpuResources* resources,</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  cudaStream_t stream,</div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  Tensor<float, Dim, true>& in) {</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  DeviceTensor<half, Dim, true> out;</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (resources) {</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  out = std::move(DeviceTensor<half, Dim, true>(</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  resources->getMemoryManagerCurrentDevice(),</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  in.sizes(),</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  stream));</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  out = std::move(DeviceTensor<half, Dim, true>(in.sizes()));</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  toHalf<Dim>(stream, in, out);</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> out;</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> Dim></div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keywordtype">void</span> fromHalf(cudaStream_t stream,</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  Tensor<half, Dim, true>& in,</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  Tensor<float, Dim, true>& out) {</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  FAISS_ASSERT(in.numElements() == out.numElements());</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// The memory is contiguous (the `true`), so apply a pointwise</span></div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// kernel to convert</span></div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  runConvertToFloat32(out.data(), in.data(), in.numElements(), stream);</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> }</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> Dim></div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> DeviceTensor<float, Dim, true> fromHalf(GpuResources* resources,</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  cudaStream_t stream,</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  Tensor<half, Dim, true>& in) {</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  DeviceTensor<float, Dim, true> out;</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (resources) {</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  out = std::move(DeviceTensor<float, Dim, true>(</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  resources->getMemoryManagerCurrentDevice(),</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  in.sizes(),</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  stream));</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  out = std::move(DeviceTensor<float, Dim, true>(in.sizes()));</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  fromHalf<Dim>(stream, in, out);</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> out;</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> }</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> half hostFloat2Half(<span class="keywordtype">float</span> v);</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor">#endif // FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> } } <span class="comment">// namespace</span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<!-- start footer part -->
|
|
<hr class="footer"/><address class="footer"><small>
|
|
Generated by  <a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
|
</a> 1.8.5
|
|
</small></address>
|
|
</body>
|
|
</html>
|