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| <a href="utils_8hpp.xhtml">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) 2017-2019 Arm Limited.</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"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of this software and associated documentation files (the "Software"), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * SOFTWARE.</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> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <cstddef></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// Macro for unreachable code (e.g. impossible default cases on switch)</span></div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="utils_8hpp.xhtml#aa468b37bb9d2901433139d01b79036b0"> 30</a></span> <span class="preprocessor">#define UNREACHABLE(why) __builtin_unreachable()</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// Paranoid option for the above with assert</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// #define UNREACHABLE(why) assert(0 && why)</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="utils_8hpp.xhtml#a86d500a34c624c2cae56bc25a31b12f3"> 35</a></span> <span class="preprocessor">#define UNUSED(x) (void)(x)</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="utils_8hpp.xhtml#aa4508679e1d089c2bdcf000f72357683"> 38</a></span> <span class="keyword">inline</span> T <a class="code" href="utils_8hpp.xhtml#aa4508679e1d089c2bdcf000f72357683">iceildiv</a>(<span class="keyword">const</span> T a, <span class="keyword">const</span> T <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#aa76b4a6e74940dabc5b7fc6b2dab3545">b</a>) {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">return</span> (a + <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#aa76b4a6e74940dabc5b7fc6b2dab3545">b</a> - 1) / <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#aa76b4a6e74940dabc5b7fc6b2dab3545">b</a>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> }</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> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="utils_8hpp.xhtml#a8f6fbf8b243a10af40ce8d47a1013384"> 43</a></span> <span class="keyword">inline</span> T <a class="code" href="utils_8hpp.xhtml#a8f6fbf8b243a10af40ce8d47a1013384">roundup</a>(<span class="keyword">const</span> T a, <span class="keyword">const</span> T <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#aa76b4a6e74940dabc5b7fc6b2dab3545">b</a>) {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  T rem = a % <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#aa76b4a6e74940dabc5b7fc6b2dab3545">b</a>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">if</span> (rem) {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> a + <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#aa76b4a6e74940dabc5b7fc6b2dab3545">b</a> - rem;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> a;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</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> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">namespace </span><a class="code" href="namespacearm__gemm.xhtml">arm_gemm</a> {</div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="namespacearm__gemm_1_1utils.xhtml"> 54</a></span> <span class="keyword">namespace </span>utils {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">namespace </span>{</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#ifdef __ARM_FEATURE_SVE</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">template</span><<span class="keywordtype">size_t</span> sz></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> get_vector_length_sz() {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> v;</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>  __asm (</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="stringliteral">"cntb %0"</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  : <span class="stringliteral">"=r"</span> (v)</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  );</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="keywordflow">return</span> v / sz;</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> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#define VEC_LEN_SPEC(sz, opcode) template <> inline unsigned long get_vector_length_sz<sz>() { unsigned long v; __asm ( opcode " %0" : "=r" (v)); return v; }</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> VEC_LEN_SPEC(8, <span class="stringliteral">"cntd"</span>)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> VEC_LEN_SPEC(4, <span class="stringliteral">"cntw"</span>)</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> VEC_LEN_SPEC(2, <span class="stringliteral">"cnth"</span>)</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> VEC_LEN_SPEC(1, <span class="stringliteral">"cntb"</span>)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> } <span class="comment">// anonymous namespace</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="namespacearm__gemm_1_1utils.xhtml#aa7ef5562f876812256212715f49ef569"> 81</a></span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="namespacearm__gemm_1_1utils.xhtml#aa7ef5562f876812256212715f49ef569">get_vector_length</a>() {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#ifdef __ARM_FEATURE_SVE</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> get_vector_length_sz<sizeof(T)>();</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> 16 / <span class="keyword">sizeof</span>(T);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</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> } <span class="comment">// utils namespace</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> } <span class="comment">// arm_gemm namespace</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">using namespace </span><a class="code" href="namespacearm__gemm_1_1utils.xhtml">arm_gemm::utils</a>;</div><div class="ttc" id="utils_8hpp_xhtml_aa4508679e1d089c2bdcf000f72357683"><div class="ttname"><a href="utils_8hpp.xhtml#aa4508679e1d089c2bdcf000f72357683">iceildiv</a></div><div class="ttdeci">T iceildiv(const T a, const T b)</div><div class="ttdef"><b>Definition:</b> <a href="utils_8hpp_source.xhtml#l00038">utils.hpp:38</a></div></div> |
| <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_aa76b4a6e74940dabc5b7fc6b2dab3545"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#aa76b4a6e74940dabc5b7fc6b2dab3545">arm_compute::test::validation::b</a></div><div class="ttdeci">SimpleTensor< float > b</div><div class="ttdef"><b>Definition:</b> <a href="_c_p_p_2_d_f_t_8cpp_source.xhtml#l00157">DFT.cpp:157</a></div></div> |
| <div class="ttc" id="namespacearm__gemm_xhtml"><div class="ttname"><a href="namespacearm__gemm.xhtml">arm_gemm</a></div><div class="ttdef"><b>Definition:</b> <a href="barrier_8hpp_source.xhtml#l00030">barrier.hpp:30</a></div></div> |
| <div class="ttc" id="namespacearm__gemm_1_1utils_xhtml_aa7ef5562f876812256212715f49ef569"><div class="ttname"><a href="namespacearm__gemm_1_1utils.xhtml#aa7ef5562f876812256212715f49ef569">arm_gemm::utils::get_vector_length</a></div><div class="ttdeci">unsigned long get_vector_length()</div><div class="ttdef"><b>Definition:</b> <a href="utils_8hpp_source.xhtml#l00081">utils.hpp:81</a></div></div> |
| <div class="ttc" id="utils_8hpp_xhtml_a8f6fbf8b243a10af40ce8d47a1013384"><div class="ttname"><a href="utils_8hpp.xhtml#a8f6fbf8b243a10af40ce8d47a1013384">roundup</a></div><div class="ttdeci">T roundup(const T a, const T b)</div><div class="ttdef"><b>Definition:</b> <a href="utils_8hpp_source.xhtml#l00043">utils.hpp:43</a></div></div> |
| <div class="ttc" id="namespacearm__gemm_1_1utils_xhtml"><div class="ttname"><a href="namespacearm__gemm_1_1utils.xhtml">arm_gemm::utils</a></div><div class="ttdef"><b>Definition:</b> <a href="utils_8hpp_source.xhtml#l00054">utils.hpp:54</a></div></div> |
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