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<a href="igemm__global__tile_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/***************************************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without modification, are permitted</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * provided that the following conditions are met:</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * * Redistributions of source code must retain the above copyright notice, this list of</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * conditions and the following disclaimer.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * * Redistributions in binary form must reproduce the above copyright notice, this list of</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * conditions and the following disclaimer in the documentation and/or other materials</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * provided with the distribution.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * * Neither the name of the NVIDIA CORPORATION nor the names of its contributors may be used</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * to endorse or promote products derived from this software without specific prior written</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * permission.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> * STRICT LIABILITY, OR TOR (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div><div class="line"><a name="
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_html_a72fe2fb9077d072f8266f07374624a1f"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits.html#a72fe2fb9077d072f8266f07374624a1f">cutlass::gemm::IgemmGlobalTileTraits::Threads</a></div><div class="ttdeci">Base::Threads Threads</div><div class="ttdoc">The threads. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:66</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_1_1ThreadOffset_html"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_1_1ThreadOffset.html">cutlass::gemm::IgemmGlobalTileTraits::ThreadOffset</a></div><div class="ttdoc">Computes the thread offset in (H, W) based on thread ID. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:77</div></div>
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<div class="ttc" id="gemm__global__tile_8h_html"><div class="ttname"><a href="gemm__global__tile_8h.html">gemm_global_tile.h</a></div><div class="ttdoc">Defines iterators for efficiently loading and storing to global memory. </div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1GemmGlobalTileTraits_html"><div class="ttname"><a href="structcutlass_1_1gemm_1_1GemmGlobalTileTraits.html">cutlass::gemm::GemmGlobalTileTraits</a></div><div class="ttdef"><b>Definition:</b> gemm_global_tile.h:70</div></div>
<div class="ttc" id="coord_8h_html"><div class="ttname"><a href="coord_8h.html">coord.h</a></div><div class="ttdoc">A Coord is a coordinate of arbitrary rank into a tensor or matrix. </div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_html_ae1d930fa295d8ddfaa10bda5978258de"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits.html#ae1d930fa295d8ddfaa10bda5978258de">cutlass::gemm::IgemmGlobalTileTraits::Iterations</a></div><div class="ttdeci">Shape&lt; Base::VectorizedTile::kH/Base::Threads::kH/4, 4, Base::VectorizedTile::kW/Base::Threads::kW, Base::VectorizedTile::kC/Base::kAccessSize &gt; Iterations</div><div class="ttdoc">The number of iterations needed to load/store the tile. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:74</div></div>
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<div class="ttc" id="namespacecutlass_html_a7419519fa453a121dfa5f26bf87318d9"><div class="ttname"><a href="namespacecutlass.html#a7419519fa453a121dfa5f26bf87318d9">cutlass::make_Coord</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE Coord&lt; 1 &gt; make_Coord(int _0)</div><div class="ttdoc">Helper to make a 2-element coordinate. </div><div class="ttdef"><b>Definition:</b> coord.h:368</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb_html_a85afb31647e5cac591b76959a102cd06"><div class="ttname"><a href="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb.html#a85afb31647e5cac591b76959a102cd06">cutlass::gemm::GemmGlobalIteratorAb::load_element</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE void load_element(typename Base::AccessType &amp;value, int d, int h, int w, int c) const</div><div class="ttdoc">Loads a single fragment element from memory. </div><div class="ttdef"><b>Definition:</b> gemm_global_tile.h:267</div></div>
<div class="ttc" id="namespacecutlass_1_1MatrixLayout_html_a97ef07af21b122c1804245b0c7784d2b"><div class="ttname"><a href="namespacecutlass_1_1MatrixLayout.html#a97ef07af21b122c1804245b0c7784d2b">cutlass::MatrixLayout::Kind</a></div><div class="ttdeci">Kind</div><div class="ttdoc">Enumeration defining fundamental contiguous layouts. </div><div class="ttdef"><b>Definition:</b> matrix_traits.h:159</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_1_1ThreadOffset_html_a80562f5ceab2049c3b7834c2891a07ee"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_1_1ThreadOffset.html#a80562f5ceab2049c3b7834c2891a07ee">cutlass::gemm::IgemmGlobalTileTraits::ThreadOffset::operator()</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE Coord&lt; 4 &gt; operator()() const</div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:79</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb_html"><div class="ttname"><a href="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb.html">cutlass::gemm::GemmGlobalIteratorAb</a></div><div class="ttdef"><b>Definition:</b> gemm_global_tile.h:163</div></div>
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<div class="ttc" id="structcutlass_1_1Shape_html_a3a20d9062bba613c160bb2cd14f80a5e"><div class="ttname"><a href="structcutlass_1_1Shape.html#a3a20d9062bba613c160bb2cd14f80a5e">cutlass::Shape::kH</a></div><div class="ttdeci">static int const kH</div><div class="ttdoc">The height of the cube. </div><div class="ttdef"><b>Definition:</b> shape.h:68</div></div>
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<div class="ttc" id="structcutlass_1_1TileLoadIterator_html"><div class="ttname"><a href="structcutlass_1_1TileLoadIterator.html">cutlass::TileLoadIterator</a></div><div class="ttdoc">An iterator implementing Tile Load Iterator Concept for loading a tile from memory. </div><div class="ttdef"><b>Definition:</b> tile_iterator.h:402</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_html"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits.html">cutlass::gemm::IgemmGlobalTileTraits</a></div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:50</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb_html_a5cbda0dea8c87ca55499c97cc80b1ccf"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb.html#a5cbda0dea8c87ca55499c97cc80b1ccf">cutlass::gemm::IgemmGlobalIteratorAb::load_element</a></div><div class="ttdeci">CUTLASS_DEVICE void load_element(typename Base::AccessType &amp;value, int d, int h, int w, int c) const</div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:122</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb_html_a82a9cfc61ecc117592bdb30f57bd35c9"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb.html#a82a9cfc61ecc117592bdb30f57bd35c9">cutlass::gemm::IgemmGlobalIteratorAb::Base</a></div><div class="ttdeci">GemmGlobalIteratorAb&lt; TileTraits_, Index_ &gt; Base</div><div class="ttdoc">The base class. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:97</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb_html"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb.html">cutlass::gemm::IgemmGlobalIteratorAb</a></div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:95</div></div>
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<div class="ttc" id="cutlass_8h_html_a28c2443a142676d3d71effdae1a986b1"><div class="ttname"><a href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="ttdeci">#define CUTLASS_HOST_DEVICE</div><div class="ttdef"><b>Definition:</b> cutlass.h:46</div></div>
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<div class="ttc" id="unioncutlass_1_1Vector_html"><div class="ttname"><a href="unioncutlass_1_1Vector.html">cutlass::Vector</a></div><div class="ttdef"><b>Definition:</b> vector.h:62</div></div>
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<div class="ttc" id="structcutlass_1_1Shape_html"><div class="ttname"><a href="structcutlass_1_1Shape.html">cutlass::Shape</a></div><div class="ttdoc">A Shape implementing Layout Concept describing the dimensions of a cube. </div><div class="ttdef"><b>Definition:</b> shape.h:64</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb_html_a07ff2f97fdd57c4df05ef8e817265b30"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb.html#a07ff2f97fdd57c4df05ef8e817265b30">cutlass::gemm::IgemmGlobalIteratorAb::ThreadOffset</a></div><div class="ttdeci">TileTraits_::ThreadOffset ThreadOffset</div><div class="ttdoc">The functor to compute the thread offset. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:99</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb_html_aa6e76073303f5f5a95053a781ec8b762"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb.html#aa6e76073303f5f5a95053a781ec8b762">cutlass::gemm::IgemmGlobalIteratorAb::mask_</a></div><div class="ttdeci">uint32_t mask_</div><div class="ttdoc">The mask to clean up the values. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:129</div></div>
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<div class="ttc" id="structcutlass_1_1Coord_html"><div class="ttname"><a href="structcutlass_1_1Coord.html">cutlass::Coord&lt; 4 &gt;</a></div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1GemmGlobalTileTraits_html_aae7128f5522383c857d2639031b64c30"><div class="ttname"><a href="structcutlass_1_1gemm_1_1GemmGlobalTileTraits.html#aae7128f5522383c857d2639031b64c30">cutlass::gemm::GemmGlobalTileTraits::Threads</a></div><div class="ttdeci">ReshapeThreads&lt; VectorizedTile, Threads_ &gt;::Threads Threads</div><div class="ttdoc">The threads shape. </div><div class="ttdef"><b>Definition:</b> gemm_global_tile.h:88</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_html_a160d1ecd86de4742f550d11bc281786b"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits.html#a160d1ecd86de4742f550d11bc281786b">cutlass::gemm::IgemmGlobalTileTraits::ThreadsDelta</a></div><div class="ttdeci">Shape&lt; 1, 4, Base::VectorizedTile::kC &gt; ThreadsDelta</div><div class="ttdoc">The threads strides. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:89</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb_html_afd09d3b8e5ca04eab7edc2e5723816e5"><div class="ttname"><a href="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb.html#afd09d3b8e5ca04eab7edc2e5723816e5">cutlass::gemm::GemmGlobalIteratorAb::ThreadOffset</a></div><div class="ttdeci">TileTraits_::ThreadOffset ThreadOffset</div><div class="ttdoc">The thread offset. </div><div class="ttdef"><b>Definition:</b> gemm_global_tile.h:194</div></div>
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<div class="ttc" id="structcutlass_1_1Shape_html_a78836a20250ff24c25a6622ad818b421"><div class="ttname"><a href="structcutlass_1_1Shape.html#a78836a20250ff24c25a6622ad818b421">cutlass::Shape::kW</a></div><div class="ttdeci">static int const kW</div><div class="ttdoc">The width of the cube. </div><div class="ttdef"><b>Definition:</b> shape.h:70</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb_html_a51b852a4023411020cb44c292f109e3d"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb.html#a51b852a4023411020cb44c292f109e3d">cutlass::gemm::IgemmGlobalIteratorAb::initialize_predicates</a></div><div class="ttdeci">CUTLASS_DEVICE void initialize_predicates(const Coord&lt; 3 &gt; &amp;bounds, const Coord&lt; 3 &gt; &amp;threadblock_offset)</div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:107</div></div>
<div class="ttc" id="structcutlass_1_1TileLoadIterator_1_1Params_html"><div class="ttname"><a href="structcutlass_1_1TileLoadIterator_1_1Params.html">cutlass::TileLoadIterator::Params</a></div><div class="ttdoc">Parameters. </div><div class="ttdef"><b>Definition:</b> tile_iterator.h:497</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1GemmGlobalTileTraits_html_aa001e09b246fdd8259cbda6a500cad5f"><div class="ttname"><a href="structcutlass_1_1gemm_1_1GemmGlobalTileTraits.html#aa001e09b246fdd8259cbda6a500cad5f">cutlass::gemm::GemmGlobalTileTraits::kAccessSize</a></div><div class="ttdeci">static int const kAccessSize</div><div class="ttdoc">The number of scalars per LDG/STG. </div><div class="ttdef"><b>Definition:</b> gemm_global_tile.h:80</div></div>
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<div class="ttc" id="structcutlass_1_1GemmOperand_html_ab209ea3de198efabe8e8707dfe8e0a0c"><div class="ttname"><a href="structcutlass_1_1GemmOperand.html#ab209ea3de198efabe8e8707dfe8e0a0c">cutlass::GemmOperand::Kind</a></div><div class="ttdeci">Kind</div><div class="ttdef"><b>Definition:</b> matrix_traits.h:357</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_html_adab639892c3586464e2ea5f947b9e0f0"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits.html#adab639892c3586464e2ea5f947b9e0f0">cutlass::gemm::IgemmGlobalTileTraits::Delta</a></div><div class="ttdeci">Shape&lt; Base::Threads::kH *4, 1, Base::Threads::kW, Base::kAccessSize &gt; Delta</div><div class="ttdoc">The strides in each dimension between different loads/stores. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:68</div></div>
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<div class="ttc" id="matrix__traits_8h_html"><div class="ttname"><a href="matrix__traits_8h.html">matrix_traits.h</a></div><div class="ttdoc">Defines properties of matrices used to denote layout and operands to GEMM kernels. </div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb_html_aba8142a7a3b43da97f7968d98f3ba018"><div class="ttname"><a href="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb.html#aba8142a7a3b43da97f7968d98f3ba018">cutlass::gemm::GemmGlobalIteratorAb::initialize_predicates</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE void initialize_predicates(const Coord&lt; 3 &gt; &amp;bounds, const Coord&lt; 3 &gt; &amp;block_offset)</div><div class="ttdef"><b>Definition:</b> gemm_global_tile.h:219</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb_html_a1864c5556529afdc8445021cad780b04"><div class="ttname"><a href="structcutlass_1_1gemm_1_1GemmGlobalIteratorAb.html#a1864c5556529afdc8445021cad780b04">cutlass::gemm::GemmGlobalIteratorAb::thread_offset</a></div><div class="ttdeci">Coord&lt; 4 &gt; thread_offset</div><div class="ttdoc">Offset of an individual lane from the start of the tile. </div><div class="ttdef"><b>Definition:</b> gemm_global_tile.h:213</div></div>
<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb_html_a37672bf5444d07c5ff56d4e710a7ff94"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalIteratorAb.html#a37672bf5444d07c5ff56d4e710a7ff94">cutlass::gemm::IgemmGlobalIteratorAb::IgemmGlobalIteratorAb</a></div><div class="ttdeci">CUTLASS_DEVICE IgemmGlobalIteratorAb(typename Base::Params const &amp;_params, const Coord&lt; 3 &gt; &amp;threadblock_offset, ThreadOffset thread_offset_func=ThreadOffset())</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:102</div></div>
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<div class="ttc" id="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits_html_ac14f4ef560bd8068d16c0471af6df82c"><div class="ttname"><a href="structcutlass_1_1gemm_1_1IgemmGlobalTileTraits.html#ac14f4ef560bd8068d16c0471af6df82c">cutlass::gemm::IgemmGlobalTileTraits::Base</a></div><div class="ttdeci">GemmGlobalTileTraits&lt; kOperand_, kLayout_, Scalar_, Tile_, Threads_, kAccessSize_ &gt; Base</div><div class="ttdoc">The base class. </div><div class="ttdef"><b>Definition:</b> igemm_global_tile.h:64</div></div>
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