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<a href="transpose_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> <span class="comment">/***************************************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <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> <span class="comment"> * provided that the following conditions are met:</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <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> <span class="comment"> * conditions and the following disclaimer.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <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> <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> <span class="comment"> * provided with the distribution.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <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> <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> <span class="comment"> * permission.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <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> <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> <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> <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> <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> <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="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> *</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> **************************************************************************************************/</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span><a class="code" href="namespacecutlass.html">cutlass</a> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>transform {</div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="namespacecutlass_1_1transform_1_1thread.html"> 32</a></span> <span class="keyword">namespace </span>thread {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">template</span> <</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">int</span> ElementCount, </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">typename</span> TransposeShape, </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">typename</span> Element</div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classcutlass_1_1transform_1_1thread_1_1Transpose.html"> 39</a></span> > <span class="keyword">class </span><a class="code" href="classcutlass_1_1transform_1_1thread_1_1Transpose.html">Transpose</a>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> ElementCount_></div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html"> 43</a></span> <span class="keyword">struct </span><a class="code" href="classcutlass_1_1transform_1_1thread_1_1Transpose.html">Transpose</a><ElementCount_, layout::PitchLinearShape<4,4> , int8_t> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#a5f267ce8d5c33de3d5b9eded4b4ee995"> 45</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kElementCount = ElementCount_;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#a438b633a80483f6dc58f6ab55976fd57"> 46</a></span>  <span class="keyword">using</span> TransposeShape = <a class="code" href="structcutlass_1_1layout_1_1PitchLinearShape.html">layout::PitchLinearShape<4,4></a>;</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#a732186d0cebf8c7ee2e1b0d6e7aa45dc"> 47</a></span>  <span class="keyword">using</span> <a class="code" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#a732186d0cebf8c7ee2e1b0d6e7aa45dc">Element</a> = int8_t;</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#ab368c16371c6c8e5384fcbc9f4412ab6"> 48</a></span>  <span class="keyword">using</span> <a class="code" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#ab368c16371c6c8e5384fcbc9f4412ab6">Fragment</a> = cutlass::Array<Element, kElementCount>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="platform_8h.html#adde4c9ea91b753491851361a4198c009">static_assert</a>(!(kElementCount % TransposeShape::kCount), <span class="stringliteral">"Shape needs to be multiple of 16 elements to do a 4x4 transpose"</span>);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  CUTLASS_DEVICE </div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#ac2b77ac69bcb01ae623366cc020d6ecd"> 53</a></span>  <span class="keywordtype">void</span> <a class="code" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#ac2b77ac69bcb01ae623366cc020d6ecd">transform</a>(<a class="code" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#ab368c16371c6c8e5384fcbc9f4412ab6">Fragment</a>& dst, <a class="code" href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#ab368c16371c6c8e5384fcbc9f4412ab6">Fragment</a>& src) {</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>  <span class="comment">// Expose src/dst as int arrays.</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">int</span>* src_int = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">int</span>*<span class="keyword">></span>(&src);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">int</span>* dst_int = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">int</span>*<span class="keyword">></span>(&dst);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="cutlass_8h.html#a4b1c9f25ab6eaa25e1f2258dd63e6ce4">CUTLASS_PRAGMA_UNROLL</a></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < kElementCount / TransposeShape::kCount; i++){</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">int</span> <span class="keyword">const</span> i0 = 4 * i + 0;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">int</span> <span class="keyword">const</span> i1 = 4 * i + 1;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">int</span> <span class="keyword">const</span> i2 = 4 * i + 2;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">int</span> <span class="keyword">const</span> i3 = 4 * i + 3;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">int</span> a0 = src_int[i0];</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">int</span> a1 = src_int[i1];</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> a2 = src_int[i2];</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">int</span> a3 = src_int[i3];</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="keywordtype">int</span> b0, b1, b2, b3, c0;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x0040;"</span> : <span class="stringliteral">"=r"</span>(b0) : <span class="stringliteral">"r"</span>(a0), <span class="stringliteral">"r"</span>(a1));</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x0040;"</span> : <span class="stringliteral">"=r"</span>(c0) : <span class="stringliteral">"r"</span>(a2), <span class="stringliteral">"r"</span>(a3));</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x5410;"</span> : <span class="stringliteral">"=r"</span>(b0) : <span class="stringliteral">"r"</span>(b0), <span class="stringliteral">"r"</span>(c0));</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="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x0051;"</span> : <span class="stringliteral">"=r"</span>(b1) : <span class="stringliteral">"r"</span>(a0), <span class="stringliteral">"r"</span>(a1));</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x0051;"</span> : <span class="stringliteral">"=r"</span>(c0) : <span class="stringliteral">"r"</span>(a2), <span class="stringliteral">"r"</span>(a3));</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x5410;"</span> : <span class="stringliteral">"=r"</span>(b1) : <span class="stringliteral">"r"</span>(b1), <span class="stringliteral">"r"</span>(c0));</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x0062;"</span> : <span class="stringliteral">"=r"</span>(b2) : <span class="stringliteral">"r"</span>(a0), <span class="stringliteral">"r"</span>(a1));</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x0062;"</span> : <span class="stringliteral">"=r"</span>(c0) : <span class="stringliteral">"r"</span>(a2), <span class="stringliteral">"r"</span>(a3));</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x5410;"</span> : <span class="stringliteral">"=r"</span>(b2) : <span class="stringliteral">"r"</span>(b2), <span class="stringliteral">"r"</span>(c0));</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x0073;"</span> : <span class="stringliteral">"=r"</span>(b3) : <span class="stringliteral">"r"</span>(a0), <span class="stringliteral">"r"</span>(a1));</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x0073;"</span> : <span class="stringliteral">"=r"</span>(c0) : <span class="stringliteral">"r"</span>(a2), <span class="stringliteral">"r"</span>(a3));</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"prmt.b32 %0, %1, %2, 0x5410;"</span> : <span class="stringliteral">"=r"</span>(b3) : <span class="stringliteral">"r"</span>(b3), <span class="stringliteral">"r"</span>(c0));</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  dst_int[i0] = b0;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  dst_int[i1] = b1;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  dst_int[i2] = b2;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  dst_int[i3] = b3;</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>  }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> };</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> } <span class="comment">// namespace thread</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> } <span class="comment">// namespace layout</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> } <span class="comment">// namespace cutlass</span></div><div class="ttc" id="namespacecutlass_html"><div class="ttname"><a href="namespacecutlass.html">cutlass</a></div><div class="ttdef"><b>Definition:</b> aligned_buffer.h:35</div></div>
<div class="ttc" id="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81_html_ab368c16371c6c8e5384fcbc9f4412ab6"><div class="ttname"><a href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#ab368c16371c6c8e5384fcbc9f4412ab6">cutlass::transform::thread::Transpose< ElementCount_, layout::PitchLinearShape< 4, 4 >, int8_t >::Fragment</a></div><div class="ttdeci">cutlass::Array< Element, kElementCount > Fragment</div><div class="ttdef"><b>Definition:</b> transpose.h:48</div></div>
<div class="ttc" id="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81_html_ac2b77ac69bcb01ae623366cc020d6ecd"><div class="ttname"><a href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#ac2b77ac69bcb01ae623366cc020d6ecd">cutlass::transform::thread::Transpose< ElementCount_, layout::PitchLinearShape< 4, 4 >, int8_t >::transform</a></div><div class="ttdeci">CUTLASS_DEVICE void transform(Fragment &dst, Fragment &src)</div><div class="ttdef"><b>Definition:</b> transpose.h:53</div></div>
<div class="ttc" id="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81_html_a732186d0cebf8c7ee2e1b0d6e7aa45dc"><div class="ttname"><a href="structcutlass_1_1transform_1_1thread_1_1Transpose_3_01ElementCount___00_01layout_1_1PitchLinearS99f8e05faf0bb5ed48a0154afe740d81.html#a732186d0cebf8c7ee2e1b0d6e7aa45dc">cutlass::transform::thread::Transpose< ElementCount_, layout::PitchLinearShape< 4, 4 >, int8_t >::Element</a></div><div class="ttdeci">int8_t Element</div><div class="ttdef"><b>Definition:</b> transpose.h:47</div></div>
<div class="ttc" id="structcutlass_1_1layout_1_1PitchLinearShape_html"><div class="ttname"><a href="structcutlass_1_1layout_1_1PitchLinearShape.html">cutlass::layout::PitchLinearShape</a></div><div class="ttdoc">Template defining a shape used by pitch-linear operators. </div><div class="ttdef"><b>Definition:</b> pitch_linear.h:43</div></div>
<div class="ttc" id="cutlass_8h_html_a4b1c9f25ab6eaa25e1f2258dd63e6ce4"><div class="ttname"><a href="cutlass_8h.html#a4b1c9f25ab6eaa25e1f2258dd63e6ce4">CUTLASS_PRAGMA_UNROLL</a></div><div class="ttdeci">#define CUTLASS_PRAGMA_UNROLL</div><div class="ttdef"><b>Definition:</b> cutlass.h:110</div></div>
<div class="ttc" id="classcutlass_1_1transform_1_1thread_1_1Transpose_html"><div class="ttname"><a href="classcutlass_1_1transform_1_1thread_1_1Transpose.html">cutlass::transform::thread::Transpose</a></div><div class="ttdoc">Transforms a fragment by doing a transpose. </div><div class="ttdef"><b>Definition:</b> transpose.h:39</div></div>
<div class="ttc" id="platform_8h_html_adde4c9ea91b753491851361a4198c009"><div class="ttname"><a href="platform_8h.html#adde4c9ea91b753491851361a4198c009">static_assert</a></div><div class="ttdeci">#define static_assert(__e, __m)</div><div class="ttdef"><b>Definition:</b> platform.h:153</div></div>
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