mirror of
https://github.com/NVIDIA/cutlass.git
synced 2026-05-13 01:35:45 +00:00
Updating Doxygen docs
This commit is contained in:
@@ -94,9 +94,6 @@ Classes</h2></td></tr>
|
||||
</table><table class="memberdecls">
|
||||
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
|
||||
Public Types</h2></td></tr>
|
||||
<tr class="memitem:a066d684240f8a24e1ba621ae3904ec75"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="structcutlass_1_1TensorRefArray.html#a066d684240f8a24e1ba621ae3904ec75">TensorRef</a>< Storage_, Rank_, MapFunc_, StorageRank_, Index_, LongIndex_ > </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a066d684240f8a24e1ba621ae3904ec75">TensorRef</a></td></tr>
|
||||
<tr class="memdesc:a066d684240f8a24e1ba621ae3904ec75"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classcutlass_1_1TensorRef.html">TensorRef</a> type obtained from the <a class="el" href="structcutlass_1_1TensorRefArray.html">TensorRefArray</a>. <a href="#a066d684240f8a24e1ba621ae3904ec75">More...</a><br /></td></tr>
|
||||
<tr class="separator:a066d684240f8a24e1ba621ae3904ec75"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:ab6a6ed8af1a4b3da33e840409c0a72d8"><td class="memItemLeft" align="right" valign="top">typedef Storage_ </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#ab6a6ed8af1a4b3da33e840409c0a72d8">Storage</a></td></tr>
|
||||
<tr class="memdesc:ab6a6ed8af1a4b3da33e840409c0a72d8"><td class="mdescLeft"> </td><td class="mdescRight">Element pointed to by the <a class="el" href="classcutlass_1_1TensorRef.html">TensorRef</a>. <a href="#ab6a6ed8af1a4b3da33e840409c0a72d8">More...</a><br /></td></tr>
|
||||
<tr class="separator:ab6a6ed8af1a4b3da33e840409c0a72d8"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
@@ -106,15 +103,18 @@ Public Types</h2></td></tr>
|
||||
<tr class="memitem:a6220549b72ed8451dbf76466b50a96c0"><td class="memItemLeft" align="right" valign="top">typedef LongIndex_ </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a6220549b72ed8451dbf76466b50a96c0">LongIndex</a></td></tr>
|
||||
<tr class="memdesc:a6220549b72ed8451dbf76466b50a96c0"><td class="mdescLeft"> </td><td class="mdescRight">Typically, strides in memory can be very large. <a href="#a6220549b72ed8451dbf76466b50a96c0">More...</a><br /></td></tr>
|
||||
<tr class="separator:a6220549b72ed8451dbf76466b50a96c0"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:a066d684240f8a24e1ba621ae3904ec75"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="structcutlass_1_1TensorRefArray.html#a066d684240f8a24e1ba621ae3904ec75">TensorRef</a>< Storage_, Rank_, MapFunc_, StorageRank_, Index_, LongIndex_ > </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a066d684240f8a24e1ba621ae3904ec75">TensorRef</a></td></tr>
|
||||
<tr class="memdesc:a066d684240f8a24e1ba621ae3904ec75"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classcutlass_1_1TensorRef.html">TensorRef</a> type obtained from the <a class="el" href="structcutlass_1_1TensorRefArray.html">TensorRefArray</a>. <a href="#a066d684240f8a24e1ba621ae3904ec75">More...</a><br /></td></tr>
|
||||
<tr class="separator:a066d684240f8a24e1ba621ae3904ec75"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
</table><table class="memberdecls">
|
||||
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
|
||||
Public Member Functions</h2></td></tr>
|
||||
<tr class="memitem:a771ede5f73ec18729cc9a5946cf86109"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a771ede5f73ec18729cc9a5946cf86109">TensorArrayRef</a> ()</td></tr>
|
||||
<tr class="separator:a771ede5f73ec18729cc9a5946cf86109"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:aea35239326dcb23c3c6a18e7b3f92091"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#aea35239326dcb23c3c6a18e7b3f92091">TensorArrayRef</a> (<a class="el" href="structcutlass_1_1TensorRefArray.html#ab6a6ed8af1a4b3da33e840409c0a72d8">Storage</a> **_pointers, <a class="el" href="structcutlass_1_1TensorRefArray.html#a8f4658dd194b305ae4f150cf371869d9">Index</a> _strides[<a class="el" href="structcutlass_1_1TensorRefArray.html#a131bdcf213e3d46672c9b3b34d6bf243">kStorageRank</a> - 1])</td></tr>
|
||||
<tr class="separator:aea35239326dcb23c3c6a18e7b3f92091"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:a2a95fd42d48c550a45f340b04f9dfe3d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> <a class="el" href="structcutlass_1_1TensorRefArray.html#a066d684240f8a24e1ba621ae3904ec75">TensorRef</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a2a95fd42d48c550a45f340b04f9dfe3d">at</a> (<a class="el" href="structcutlass_1_1TensorRefArray.html#a8f4658dd194b305ae4f150cf371869d9">Index</a> idx) const</td></tr>
|
||||
<tr class="separator:a2a95fd42d48c550a45f340b04f9dfe3d"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:a5b2702b1029db5b5a0b9dddbb5818e3a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a5b2702b1029db5b5a0b9dddbb5818e3a">TensorRefArray</a> ()</td></tr>
|
||||
<tr class="separator:a5b2702b1029db5b5a0b9dddbb5818e3a"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:acbda10b4e66cce9963c80f40ae4c1140"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#acbda10b4e66cce9963c80f40ae4c1140">TensorRefArray</a> (<a class="el" href="structcutlass_1_1TensorRefArray.html#ab6a6ed8af1a4b3da33e840409c0a72d8">Storage</a> **_pointers, <a class="el" href="structcutlass_1_1TensorRefArray.html#a8f4658dd194b305ae4f150cf371869d9">Index</a> _strides[<a class="el" href="structcutlass_1_1TensorRefArray.html#a131bdcf213e3d46672c9b3b34d6bf243">kStorageRank</a> - 1])</td></tr>
|
||||
<tr class="separator:acbda10b4e66cce9963c80f40ae4c1140"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:a60763549963465865a2287d018b6b76c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> <a class="el" href="structcutlass_1_1TensorRefArray.html#a066d684240f8a24e1ba621ae3904ec75">TensorRef</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a60763549963465865a2287d018b6b76c">at</a> (<a class="el" href="structcutlass_1_1TensorRefArray.html#a8f4658dd194b305ae4f150cf371869d9">Index</a> idx=0) const</td></tr>
|
||||
<tr class="separator:a60763549963465865a2287d018b6b76c"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:a6b0f0d9cef4a2f3f4a8bf6c192a282db"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> <a class="el" href="classcutlass_1_1TensorRefArray_1_1ConstIterator.html">ConstIterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a6b0f0d9cef4a2f3f4a8bf6c192a282db">begin</a> ()</td></tr>
|
||||
<tr class="memdesc:a6b0f0d9cef4a2f3f4a8bf6c192a282db"><td class="mdescLeft"> </td><td class="mdescRight">Returns an TesnorRefIterator over the <a class="el" href="classcutlass_1_1TensorRef.html">TensorRef</a> objects in this collection. <a href="#a6b0f0d9cef4a2f3f4a8bf6c192a282db">More...</a><br /></td></tr>
|
||||
<tr class="separator:a6b0f0d9cef4a2f3f4a8bf6c192a282db"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
@@ -130,7 +130,7 @@ Public Attributes</h2></td></tr>
|
||||
</table><table class="memberdecls">
|
||||
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
|
||||
Static Public Attributes</h2></td></tr>
|
||||
<tr class="memitem:a131bdcf213e3d46672c9b3b34d6bf243"><td class="memItemLeft" align="right" valign="top">static int const </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a131bdcf213e3d46672c9b3b34d6bf243">kStorageRank</a> = TensorRef::kStorageRank</td></tr>
|
||||
<tr class="memitem:a131bdcf213e3d46672c9b3b34d6bf243"><td class="memItemLeft" align="right" valign="top">static int const </td><td class="memItemRight" valign="bottom"><a class="el" href="structcutlass_1_1TensorRefArray.html#a131bdcf213e3d46672c9b3b34d6bf243">kStorageRank</a> = StorageRank_</td></tr>
|
||||
<tr class="memdesc:a131bdcf213e3d46672c9b3b34d6bf243"><td class="mdescLeft"> </td><td class="mdescRight">Rank of the stride vector. <a href="#a131bdcf213e3d46672c9b3b34d6bf243">More...</a><br /></td></tr>
|
||||
<tr class="separator:a131bdcf213e3d46672c9b3b34d6bf243"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
</table>
|
||||
@@ -204,11 +204,77 @@ template<typename Storage_ , int Rank_, typename MapFunc_ = IdentityTensorMa
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
|
||||
</div>
|
||||
</div>
|
||||
<h2 class="groupheader">Constructor & Destructor Documentation</h2>
|
||||
<a id="a5b2702b1029db5b5a0b9dddbb5818e3a"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#a5b2702b1029db5b5a0b9dddbb5818e3a">◆ </a></span>TensorRefArray() <span class="overload">[1/2]</span></h2>
|
||||
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
<div class="memtemplate">
|
||||
template<typename Storage_ , int Rank_, typename MapFunc_ = IdentityTensorMapFunc<Rank_>, int StorageRank_ = MapFunc_::kStorageRank, typename Index_ = int, typename LongIndex_ = long long> </div>
|
||||
<table class="mlabels">
|
||||
<tr>
|
||||
<td class="mlabels-left">
|
||||
<table class="memname">
|
||||
<tr>
|
||||
<td class="memname"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> <a class="el" href="structcutlass_1_1TensorRefArray.html">cutlass::TensorRefArray</a>< Storage_, Rank_, MapFunc_, StorageRank_, Index_, LongIndex_ >::<a class="el" href="structcutlass_1_1TensorRefArray.html">TensorRefArray</a> </td>
|
||||
<td>(</td>
|
||||
<td class="paramname"></td><td>)</td>
|
||||
<td></td>
|
||||
</tr>
|
||||
</table>
|
||||
</td>
|
||||
<td class="mlabels-right">
|
||||
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
|
||||
</tr>
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
|
||||
</div>
|
||||
</div>
|
||||
<a id="acbda10b4e66cce9963c80f40ae4c1140"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#acbda10b4e66cce9963c80f40ae4c1140">◆ </a></span>TensorRefArray() <span class="overload">[2/2]</span></h2>
|
||||
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
<div class="memtemplate">
|
||||
template<typename Storage_ , int Rank_, typename MapFunc_ = IdentityTensorMapFunc<Rank_>, int StorageRank_ = MapFunc_::kStorageRank, typename Index_ = int, typename LongIndex_ = long long> </div>
|
||||
<table class="mlabels">
|
||||
<tr>
|
||||
<td class="mlabels-left">
|
||||
<table class="memname">
|
||||
<tr>
|
||||
<td class="memname"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> <a class="el" href="structcutlass_1_1TensorRefArray.html">cutlass::TensorRefArray</a>< Storage_, Rank_, MapFunc_, StorageRank_, Index_, LongIndex_ >::<a class="el" href="structcutlass_1_1TensorRefArray.html">TensorRefArray</a> </td>
|
||||
<td>(</td>
|
||||
<td class="paramtype"><a class="el" href="structcutlass_1_1TensorRefArray.html#ab6a6ed8af1a4b3da33e840409c0a72d8">Storage</a> ** </td>
|
||||
<td class="paramname"><em>_pointers</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype"><a class="el" href="structcutlass_1_1TensorRefArray.html#a8f4658dd194b305ae4f150cf371869d9">Index</a> </td>
|
||||
<td class="paramname"><em>_strides</em>[kStorageRank - 1] </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td></td>
|
||||
<td>)</td>
|
||||
<td></td><td></td>
|
||||
</tr>
|
||||
</table>
|
||||
</td>
|
||||
<td class="mlabels-right">
|
||||
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
|
||||
</tr>
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
|
||||
</div>
|
||||
</div>
|
||||
<h2 class="groupheader">Member Function Documentation</h2>
|
||||
<a id="a2a95fd42d48c550a45f340b04f9dfe3d"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#a2a95fd42d48c550a45f340b04f9dfe3d">◆ </a></span>at()</h2>
|
||||
<a id="a60763549963465865a2287d018b6b76c"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#a60763549963465865a2287d018b6b76c">◆ </a></span>at()</h2>
|
||||
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
@@ -222,7 +288,7 @@ template<typename Storage_ , int Rank_, typename MapFunc_ = IdentityTensorMa
|
||||
<td class="memname"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> <a class="el" href="structcutlass_1_1TensorRefArray.html#a066d684240f8a24e1ba621ae3904ec75">TensorRef</a> <a class="el" href="structcutlass_1_1TensorRefArray.html">cutlass::TensorRefArray</a>< Storage_, Rank_, MapFunc_, StorageRank_, Index_, LongIndex_ >::at </td>
|
||||
<td>(</td>
|
||||
<td class="paramtype"><a class="el" href="structcutlass_1_1TensorRefArray.html#a8f4658dd194b305ae4f150cf371869d9">Index</a> </td>
|
||||
<td class="paramname"><em>idx</em></td><td>)</td>
|
||||
<td class="paramname"><em>idx</em> = <code>0</code></td><td>)</td>
|
||||
<td> const</td>
|
||||
</tr>
|
||||
</table>
|
||||
@@ -260,71 +326,6 @@ template<typename Storage_ , int Rank_, typename MapFunc_ = IdentityTensorMa
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
|
||||
</div>
|
||||
</div>
|
||||
<a id="a771ede5f73ec18729cc9a5946cf86109"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#a771ede5f73ec18729cc9a5946cf86109">◆ </a></span>TensorArrayRef() <span class="overload">[1/2]</span></h2>
|
||||
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
<div class="memtemplate">
|
||||
template<typename Storage_ , int Rank_, typename MapFunc_ = IdentityTensorMapFunc<Rank_>, int StorageRank_ = MapFunc_::kStorageRank, typename Index_ = int, typename LongIndex_ = long long> </div>
|
||||
<table class="mlabels">
|
||||
<tr>
|
||||
<td class="mlabels-left">
|
||||
<table class="memname">
|
||||
<tr>
|
||||
<td class="memname"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> <a class="el" href="structcutlass_1_1TensorRefArray.html">cutlass::TensorRefArray</a>< Storage_, Rank_, MapFunc_, StorageRank_, Index_, LongIndex_ >::TensorArrayRef </td>
|
||||
<td>(</td>
|
||||
<td class="paramname"></td><td>)</td>
|
||||
<td></td>
|
||||
</tr>
|
||||
</table>
|
||||
</td>
|
||||
<td class="mlabels-right">
|
||||
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
|
||||
</tr>
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
|
||||
</div>
|
||||
</div>
|
||||
<a id="aea35239326dcb23c3c6a18e7b3f92091"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#aea35239326dcb23c3c6a18e7b3f92091">◆ </a></span>TensorArrayRef() <span class="overload">[2/2]</span></h2>
|
||||
|
||||
<div class="memitem">
|
||||
<div class="memproto">
|
||||
<div class="memtemplate">
|
||||
template<typename Storage_ , int Rank_, typename MapFunc_ = IdentityTensorMapFunc<Rank_>, int StorageRank_ = MapFunc_::kStorageRank, typename Index_ = int, typename LongIndex_ = long long> </div>
|
||||
<table class="mlabels">
|
||||
<tr>
|
||||
<td class="mlabels-left">
|
||||
<table class="memname">
|
||||
<tr>
|
||||
<td class="memname"><a class="el" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a> <a class="el" href="structcutlass_1_1TensorRefArray.html">cutlass::TensorRefArray</a>< Storage_, Rank_, MapFunc_, StorageRank_, Index_, LongIndex_ >::TensorArrayRef </td>
|
||||
<td>(</td>
|
||||
<td class="paramtype"><a class="el" href="structcutlass_1_1TensorRefArray.html#ab6a6ed8af1a4b3da33e840409c0a72d8">Storage</a> ** </td>
|
||||
<td class="paramname"><em>_pointers</em>, </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="paramkey"></td>
|
||||
<td></td>
|
||||
<td class="paramtype"><a class="el" href="structcutlass_1_1TensorRefArray.html#a8f4658dd194b305ae4f150cf371869d9">Index</a> </td>
|
||||
<td class="paramname"><em>_strides</em>[kStorageRank - 1] </td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td></td>
|
||||
<td>)</td>
|
||||
<td></td><td></td>
|
||||
</tr>
|
||||
</table>
|
||||
</td>
|
||||
<td class="mlabels-right">
|
||||
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
|
||||
</tr>
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
|
||||
</div>
|
||||
</div>
|
||||
<h2 class="groupheader">Member Data Documentation</h2>
|
||||
@@ -340,7 +341,7 @@ template<typename Storage_ , int Rank_, typename MapFunc_ = IdentityTensorMa
|
||||
<td class="mlabels-left">
|
||||
<table class="memname">
|
||||
<tr>
|
||||
<td class="memname">int const <a class="el" href="structcutlass_1_1TensorRefArray.html">cutlass::TensorRefArray</a>< Storage_, Rank_, MapFunc_, StorageRank_, Index_, LongIndex_ >::kStorageRank = TensorRef::kStorageRank</td>
|
||||
<td class="memname">int const <a class="el" href="structcutlass_1_1TensorRefArray.html">cutlass::TensorRefArray</a>< Storage_, Rank_, MapFunc_, StorageRank_, Index_, LongIndex_ >::kStorageRank = StorageRank_</td>
|
||||
</tr>
|
||||
</table>
|
||||
</td>
|
||||
@@ -390,7 +391,7 @@ template<typename Storage_ , int Rank_, typename MapFunc_ = IdentityTensorMa
|
||||
</div><!-- contents -->
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated on Wed Sep 19 2018 13:58:51 for Cutlass by  <a href="http://www.doxygen.org/index.html">
|
||||
Generated on Fri Oct 26 2018 14:53:35 for Cutlass by  <a href="http://www.doxygen.org/index.html">
|
||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.14
|
||||
</small></address>
|
||||
|
||||
Reference in New Issue
Block a user