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<div class="title">OMPScheduler.cpp</div> </div>
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<a href="_o_m_p_scheduler_8cpp.xhtml">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) 2017-2019 ARM Limited.</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"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<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>&#160;<span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<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>&#160;<span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_o_m_p_scheduler_8h.xhtml">arm_compute/runtime/OMP/OMPScheduler.h</a>&quot;</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_i_c_p_p_kernel_8h.xhtml">arm_compute/core/CPP/ICPPKernel.h</a>&quot;</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_error_8h.xhtml">arm_compute/core/Error.h</a>&quot;</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="arm__compute_2core_2_helpers_8h.xhtml">arm_compute/core/Helpers.h</a>&quot;</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="arm__compute_2core_2_utils_8h.xhtml">arm_compute/core/Utils.h</a>&quot;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_c_p_u_utils_8h.xhtml">arm_compute/runtime/CPUUtils.h</a>&quot;</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &lt;omp.h&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearm__compute.xhtml">arm_compute</a></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;{</div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a30209774dcf1f39afcc19818660a7c16"> 36</a></span>&#160;<a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a30209774dcf1f39afcc19818660a7c16">OMPScheduler::OMPScheduler</a>() <span class="comment">// NOLINT</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; : _num_threads(omp_get_max_threads())</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;{</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;}</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7"> 41</a></span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">OMPScheduler::num_threads</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="keyword"></span>{</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">return</span> _num_threads;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;}</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#ae64eebaa07f4d2da6cc2ba538c3cb095"> 46</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#ae64eebaa07f4d2da6cc2ba538c3cb095">OMPScheduler::set_num_threads</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_threads)</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;{</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_cores = omp_get_max_threads();</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; _num_threads = (<a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">num_threads</a> == 0) ? num_cores : <a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">num_threads</a>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;}</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a8d6828523921b7f9313f64c48550617f"> 52</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a8d6828523921b7f9313f64c48550617f">OMPScheduler::schedule</a>(<a class="code" href="classarm__compute_1_1_i_c_p_p_kernel.xhtml">ICPPKernel</a> *kernel, <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_i_scheduler_1_1_hints.xhtml">Hints</a> &amp;hints)</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;{</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <a class="code" href="_error_8h.xhtml#a0b0eb3235749a2909dc5a101afe59a1b">ARM_COMPUTE_ERROR_ON_MSG</a>(!kernel, <span class="stringliteral">&quot;The child class didn&#39;t set the kernel&quot;</span>);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="_error_8h.xhtml#a0b0eb3235749a2909dc5a101afe59a1b">ARM_COMPUTE_ERROR_ON_MSG</a>(hints.<a class="code" href="classarm__compute_1_1_i_scheduler_1_1_hints.xhtml#a7d8915bebdf3785072169d23b3b6d6a3">strategy</a>() == <a class="code" href="classarm__compute_1_1_i_scheduler.xhtml#ad3ab921e075d1edd827faf95870aa808a0fcc90da4811c877ba9f9c12f7d60bc9">StrategyHint::DYNAMIC</a>,</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="stringliteral">&quot;Dynamic scheduling is not supported in OMPScheduler&quot;</span>);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_window.xhtml">Window</a> &amp;max_window = kernel-&gt;<a class="code" href="classarm__compute_1_1_i_kernel.xhtml#ad34a46f53686c12a5c5e717cc9617fb6">window</a>();</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_iterations = max_window.<a class="code" href="classarm__compute_1_1_window.xhtml#a2fb4b3d6b185c9d225073f923f1827c3">num_iterations</a>(hints.<a class="code" href="classarm__compute_1_1_i_scheduler_1_1_hints.xhtml#a4682a1a3d110d8f8807051cd998ced88">split_dimension</a>());</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">num_threads</a> = std::min(num_iterations, _num_threads);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">if</span>(!kernel-&gt;<a class="code" href="classarm__compute_1_1_i_kernel.xhtml#a0466ee6ce6552c87595f0e88e73eeb1b">is_parallelisable</a>() || <a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">num_threads</a> == 1)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <a class="code" href="structarm__compute_1_1_thread_info.xhtml">ThreadInfo</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>.cpu_info = &amp;_cpu_info;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; kernel-&gt;<a class="code" href="classarm__compute_1_1_i_c_p_p_kernel.xhtml#af814ff5e96f40f1cccf809b2b4ee19ef">run</a>(max_window, <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_windows = <a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">num_threads</a>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; std::vector&lt;IScheduler::Workload&gt; workloads(num_windows);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> t = 0; t &lt; num_windows; t++)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; {</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="comment">//Capture &#39;t&#39; by copy, all the other variables by reference:</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; workloads[t] = [t, &amp;hints, &amp;max_window, &amp;num_windows, &amp;kernel](<span class="keyword">const</span> <a class="code" href="structarm__compute_1_1_thread_info.xhtml">ThreadInfo</a> &amp; <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <a class="code" href="classarm__compute_1_1_window.xhtml">Window</a> win = max_window.<a class="code" href="classarm__compute_1_1_window.xhtml#ad82ac0dcf7e7a862a3b73f1be3ca98f1">split_window</a>(hints.split_dimension(), t, num_windows);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; win.<a class="code" href="classarm__compute_1_1_window.xhtml#ab3a68a01a1c7c22bfbd9f3f6d20e7d5a">validate</a>();</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; kernel-&gt;<a class="code" href="classarm__compute_1_1_i_c_p_p_kernel.xhtml#af814ff5e96f40f1cccf809b2b4ee19ef">run</a>(win, <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; };</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; run_workloads(workloads);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; }</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;}</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="preprocessor">#ifndef DOXYGEN_SKIP_THIS</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="keywordtype">void</span> OMPScheduler::run_workloads(std::vector&lt;arm_compute::IScheduler::Workload&gt; &amp;workloads)</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;{</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">num_threads</a> = std::min(_num_threads, static_cast&lt;unsigned int&gt;(workloads.size()));</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">if</span>(<a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">num_threads</a> &lt; 1)</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</span>;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; ThreadInfo <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>.cpu_info = &amp;_cpu_info;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>.num_threads = <a class="code" href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">num_threads</a>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor"> #pragma omp parallel firstprivate(info) num_threads(num_threads)</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> tid = omp_get_thread_num();</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>.thread_id = tid;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; workloads[tid](<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">info</a>);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; }</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;}</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* DOXYGEN_SKIP_THIS */</span><span class="preprocessor"></span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;} <span class="comment">// namespace arm_compute</span></div><div class="ttc" id="classarm__compute_1_1_i_c_p_p_kernel_xhtml_af814ff5e96f40f1cccf809b2b4ee19ef"><div class="ttname"><a href="classarm__compute_1_1_i_c_p_p_kernel.xhtml#af814ff5e96f40f1cccf809b2b4ee19ef">arm_compute::ICPPKernel::run</a></div><div class="ttdeci">virtual void run(const Window &amp;window, const ThreadInfo &amp;info)=0</div><div class="ttdoc">Execute the kernel on the passed window.</div></div>
<div class="ttc" id="classarm__compute_1_1_i_kernel_xhtml_ad34a46f53686c12a5c5e717cc9617fb6"><div class="ttname"><a href="classarm__compute_1_1_i_kernel.xhtml#ad34a46f53686c12a5c5e717cc9617fb6">arm_compute::IKernel::window</a></div><div class="ttdeci">const Window &amp; window() const</div><div class="ttdoc">The maximum window the kernel can be executed on.</div><div class="ttdef"><b>Definition:</b> <a href="_i_kernel_8cpp_source.xhtml#l00028">IKernel.cpp:28</a></div></div>
<div class="ttc" id="classarm__compute_1_1_o_m_p_scheduler_xhtml_a30209774dcf1f39afcc19818660a7c16"><div class="ttname"><a href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a30209774dcf1f39afcc19818660a7c16">arm_compute::OMPScheduler::OMPScheduler</a></div><div class="ttdeci">OMPScheduler()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="_o_m_p_scheduler_8cpp_source.xhtml#l00036">OMPScheduler.cpp:36</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_c_p_p_kernel_xhtml"><div class="ttname"><a href="classarm__compute_1_1_i_c_p_p_kernel.xhtml">arm_compute::ICPPKernel</a></div><div class="ttdoc">Common interface for all kernels implemented in C++.</div><div class="ttdef"><b>Definition:</b> <a href="_i_c_p_p_kernel_8h_source.xhtml#l00035">ICPPKernel.h:35</a></div></div>
<div class="ttc" id="classarm__compute_1_1_o_m_p_scheduler_xhtml_ae64eebaa07f4d2da6cc2ba538c3cb095"><div class="ttname"><a href="classarm__compute_1_1_o_m_p_scheduler.xhtml#ae64eebaa07f4d2da6cc2ba538c3cb095">arm_compute::OMPScheduler::set_num_threads</a></div><div class="ttdeci">void set_num_threads(unsigned int num_threads) override</div><div class="ttdoc">Sets the number of threads the scheduler will use to run the kernels.</div><div class="ttdef"><b>Definition:</b> <a href="_o_m_p_scheduler_8cpp_source.xhtml#l00046">OMPScheduler.cpp:46</a></div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml_ad82ac0dcf7e7a862a3b73f1be3ca98f1"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml#ad82ac0dcf7e7a862a3b73f1be3ca98f1">arm_compute::Window::split_window</a></div><div class="ttdeci">Window split_window(size_t dimension, size_t id, size_t total) const</div><div class="ttdoc">Split a window into a set of sub windows along a given dimension.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8inl_source.xhtml#l00189">Window.inl:189</a></div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml_ab3a68a01a1c7c22bfbd9f3f6d20e7d5a"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml#ab3a68a01a1c7c22bfbd9f3f6d20e7d5a">arm_compute::Window::validate</a></div><div class="ttdeci">void validate() const</div><div class="ttdoc">Will validate all the window's dimensions' values when asserts are enabled.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8inl_source.xhtml#l00173">Window.inl:173</a></div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml_a2fb4b3d6b185c9d225073f923f1827c3"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml#a2fb4b3d6b185c9d225073f923f1827c3">arm_compute::Window::num_iterations</a></div><div class="ttdeci">constexpr size_t num_iterations(size_t dimension) const</div><div class="ttdoc">Return the number of iterations needed to iterate through a given dimension.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8inl_source.xhtml#l00182">Window.inl:182</a></div></div>
<div class="ttc" id="_o_m_p_scheduler_8h_xhtml"><div class="ttname"><a href="_o_m_p_scheduler_8h.xhtml">OMPScheduler.h</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml"><div class="ttname"><a href="namespacearm__compute.xhtml">arm_compute</a></div><div class="ttdoc">Copyright (c) 2017-2020 ARM Limited.</div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00024">00_introduction.dox:24</a></div></div>
<div class="ttc" id="_i_c_p_p_kernel_8h_xhtml"><div class="ttname"><a href="_i_c_p_p_kernel_8h.xhtml">ICPPKernel.h</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_scheduler_xhtml_ad3ab921e075d1edd827faf95870aa808a0fcc90da4811c877ba9f9c12f7d60bc9"><div class="ttname"><a href="classarm__compute_1_1_i_scheduler.xhtml#ad3ab921e075d1edd827faf95870aa808a0fcc90da4811c877ba9f9c12f7d60bc9">arm_compute::IScheduler::StrategyHint::DYNAMIC</a></div><div class="ttdoc">Split the workload dynamically using a bucket system.</div></div>
<div class="ttc" id="arm__compute_2core_2_utils_8h_xhtml"><div class="ttname"><a href="arm__compute_2core_2_utils_8h.xhtml">Utils.h</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_scheduler_1_1_hints_xhtml_a7d8915bebdf3785072169d23b3b6d6a3"><div class="ttname"><a href="classarm__compute_1_1_i_scheduler_1_1_hints.xhtml#a7d8915bebdf3785072169d23b3b6d6a3">arm_compute::IScheduler::Hints::strategy</a></div><div class="ttdeci">StrategyHint strategy() const</div><div class="ttdoc">Return the prefered strategy to use to split workload.</div><div class="ttdef"><b>Definition:</b> <a href="_i_scheduler_8h_source.xhtml#l00097">IScheduler.h:97</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_kernel_xhtml_a0466ee6ce6552c87595f0e88e73eeb1b"><div class="ttname"><a href="classarm__compute_1_1_i_kernel.xhtml#a0466ee6ce6552c87595f0e88e73eeb1b">arm_compute::IKernel::is_parallelisable</a></div><div class="ttdeci">virtual bool is_parallelisable() const</div><div class="ttdoc">Indicates whether or not the kernel is parallelisable.</div><div class="ttdef"><b>Definition:</b> <a href="_i_kernel_8cpp_source.xhtml#l00041">IKernel.cpp:41</a></div></div>
<div class="ttc" id="_error_8h_xhtml_a0b0eb3235749a2909dc5a101afe59a1b"><div class="ttname"><a href="_error_8h.xhtml#a0b0eb3235749a2909dc5a101afe59a1b">ARM_COMPUTE_ERROR_ON_MSG</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON_MSG(cond, msg)</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00456">Error.h:456</a></div></div>
<div class="ttc" id="_c_p_u_utils_8h_xhtml"><div class="ttname"><a href="_c_p_u_utils_8h.xhtml">CPUUtils.h</a></div></div>
<div class="ttc" id="_error_8h_xhtml"><div class="ttname"><a href="_error_8h.xhtml">Error.h</a></div></div>
<div class="ttc" id="classarm__compute_1_1_o_m_p_scheduler_xhtml_a8d6828523921b7f9313f64c48550617f"><div class="ttname"><a href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a8d6828523921b7f9313f64c48550617f">arm_compute::OMPScheduler::schedule</a></div><div class="ttdeci">void schedule(ICPPKernel *kernel, const Hints &amp;hints) override</div><div class="ttdoc">Multithread the execution of the passed kernel if possible.</div><div class="ttdef"><b>Definition:</b> <a href="_o_m_p_scheduler_8cpp_source.xhtml#l00052">OMPScheduler.cpp:52</a></div></div>
<div class="ttc" id="structarm__compute_1_1_thread_info_xhtml"><div class="ttname"><a href="structarm__compute_1_1_thread_info.xhtml">arm_compute::ThreadInfo</a></div><div class="ttdoc">Information about executing thread and CPU.</div><div class="ttdef"><b>Definition:</b> <a href="_c_p_p_types_8h_source.xhtml#l00225">CPPTypes.h:225</a></div></div>
<div class="ttc" id="classarm__compute_1_1_o_m_p_scheduler_xhtml_a0da94220ee1e0f4928aa31ed0d4b30f7"><div class="ttname"><a href="classarm__compute_1_1_o_m_p_scheduler.xhtml#a0da94220ee1e0f4928aa31ed0d4b30f7">arm_compute::OMPScheduler::num_threads</a></div><div class="ttdeci">unsigned int num_threads() const override</div><div class="ttdoc">Returns the number of threads that the OMPScheduler has in its pool.</div><div class="ttdef"><b>Definition:</b> <a href="_o_m_p_scheduler_8cpp_source.xhtml#l00041">OMPScheduler.cpp:41</a></div></div>
<div class="ttc" id="arm__compute_2core_2_helpers_8h_xhtml"><div class="ttname"><a href="arm__compute_2core_2_helpers_8h.xhtml">Helpers.h</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_scheduler_1_1_hints_xhtml_a4682a1a3d110d8f8807051cd998ced88"><div class="ttname"><a href="classarm__compute_1_1_i_scheduler_1_1_hints.xhtml#a4682a1a3d110d8f8807051cd998ced88">arm_compute::IScheduler::Hints::split_dimension</a></div><div class="ttdeci">unsigned int split_dimension() const</div><div class="ttdoc">Return the prefered split dimension.</div><div class="ttdef"><b>Definition:</b> <a href="_i_scheduler_8h_source.xhtml#l00077">IScheduler.h:77</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a4f4125dba5283887b34f889b1c615c0c"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a4f4125dba5283887b34f889b1c615c0c">arm_compute::test::validation::info</a></div><div class="ttdeci">info</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_convolution_layer_8cpp_source.xhtml#l00182">ConvolutionLayer.cpp:182</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_scheduler_1_1_hints_xhtml"><div class="ttname"><a href="classarm__compute_1_1_i_scheduler_1_1_hints.xhtml">arm_compute::IScheduler::Hints</a></div><div class="ttdoc">Scheduler hints.</div><div class="ttdef"><b>Definition:</b> <a href="_i_scheduler_8h_source.xhtml#l00049">IScheduler.h:49</a></div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml">arm_compute::Window</a></div><div class="ttdoc">Describe a multidimensional execution window.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8h_source.xhtml#l00039">Window.h:39</a></div></div>
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