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  <compounddef id="classtf_1_1DataPipeline" kind="class" language="C++" prot="public">
    <compoundname>tf::DataPipeline</compoundname>
    <includes refid="data__pipeline_8hpp" local="no">data_pipeline.hpp</includes>
    <innerclass refid="structtf_1_1DataPipeline_1_1Line" prot="private">tf::DataPipeline::Line</innerclass>
    <innerclass refid="structtf_1_1DataPipeline_1_1PipeMeta" prot="private">tf::DataPipeline::PipeMeta</innerclass>
    <templateparamlist>
      <param>
        <type>typename...</type>
        <declname>Ps</declname>
        <defname>Ps</defname>
      </param>
    </templateparamlist>
      <sectiondef kind="public-type">
      <memberdef kind="typedef" id="classtf_1_1DataPipeline_1a4fafcfd61a19628b48042b79e0d3f86e" prot="public" static="no">
        <type>unique_variant_t&lt; std::variant&lt; std::conditional_t&lt; std::is_void_v&lt; typename Ps::output_t &gt;, std::monostate, std::decay_t&lt; typename Ps::output_t &gt; &gt;... &gt; &gt;</type>
        <definition>using tf::DataPipeline&lt; Ps &gt;::data_t =  unique_variant_t&lt;std::variant&lt;std::conditional_t&lt; std::is_void_v&lt;typename Ps::output_t&gt;, std::monostate, std::decay_t&lt;typename Ps::output_t&gt; &gt;... &gt; &gt;</definition>
        <argsstring></argsstring>
        <name>data_t</name>
        <briefdescription>
<para>internal storage type for each data token (default std::variant) </para>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      </memberdef>
      </sectiondef>
      <sectiondef kind="private-attrib">
      <memberdef kind="variable" id="classtf_1_1DataPipeline_1aceec74e44a0b6c2c7018844643da84fb" prot="private" static="no" mutable="no">
        <type><ref refid="classtf_1_1Graph" kindref="compound">Graph</ref></type>
        <definition>Graph tf::DataPipeline&lt; Ps &gt;::_graph</definition>
        <argsstring></argsstring>
        <name>_graph</name>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      </memberdef>
      <memberdef kind="variable" id="classtf_1_1DataPipeline_1a4c4d77197be98821ad567db7e8d1cc61" prot="private" static="no" mutable="no">
        <type>size_t</type>
        <definition>size_t tf::DataPipeline&lt; Ps &gt;::_num_tokens</definition>
        <argsstring></argsstring>
        <name>_num_tokens</name>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      </memberdef>
      <memberdef kind="variable" id="classtf_1_1DataPipeline_1a30a1c660df935da648be30743a6a3381" prot="private" static="no" mutable="no">
        <type><ref refid="cpp/utility/tuple" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::tuple</ref>&lt; Ps... &gt;</type>
        <definition>std::tuple&lt;Ps...&gt; tf::DataPipeline&lt; Ps &gt;::_pipes</definition>
        <argsstring></argsstring>
        <name>_pipes</name>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      </memberdef>
      <memberdef kind="variable" id="classtf_1_1DataPipeline_1ad7bb60a333fe6cde6c72c7599145a96c" prot="private" static="no" mutable="no">
        <type><ref refid="cpp/container/array" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::array</ref>&lt; PipeMeta, sizeof...(Ps)&gt;</type>
        <definition>std::array&lt;PipeMeta, sizeof...(Ps)&gt; tf::DataPipeline&lt; Ps &gt;::_meta</definition>
        <argsstring></argsstring>
        <name>_meta</name>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      </memberdef>
      <memberdef kind="variable" id="classtf_1_1DataPipeline_1aa8c8a3852f6a055e0666bd679b69a550" prot="private" static="no" mutable="no">
        <type><ref refid="cpp/container/vector" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::vector</ref>&lt; <ref refid="cpp/container/array" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::array</ref>&lt; Line, sizeof...(Ps)&gt; &gt;</type>
        <definition>std::vector&lt;std::array&lt;Line, sizeof...(Ps)&gt; &gt; tf::DataPipeline&lt; Ps &gt;::_lines</definition>
        <argsstring></argsstring>
        <name>_lines</name>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      <memberdef kind="variable" id="classtf_1_1DataPipeline_1ab8d93e0c228355590102a9bc1775b5fd" prot="private" static="no" mutable="no">
        <type><ref refid="cpp/container/vector" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::vector</ref>&lt; <ref refid="classtf_1_1Task" kindref="compound">Task</ref> &gt;</type>
        <definition>std::vector&lt;Task&gt; tf::DataPipeline&lt; Ps &gt;::_tasks</definition>
        <argsstring></argsstring>
        <name>_tasks</name>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      <memberdef kind="variable" id="classtf_1_1DataPipeline_1ae78ad58672cd1a4307543957950d7819" prot="private" static="no" mutable="no">
        <type><ref refid="cpp/container/vector" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::vector</ref>&lt; <ref refid="classtf_1_1Pipeflow" kindref="compound">Pipeflow</ref> &gt;</type>
        <definition>std::vector&lt;Pipeflow&gt; tf::DataPipeline&lt; Ps &gt;::_pipeflows</definition>
        <argsstring></argsstring>
        <name>_pipeflows</name>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      <memberdef kind="variable" id="classtf_1_1DataPipeline_1a59b6d2346e79a363f5c15958a9d14d7b" prot="private" static="no" mutable="no">
        <type><ref refid="cpp/container/vector" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::vector</ref>&lt; CachelineAligned&lt; <ref refid="classtf_1_1DataPipeline_1a4fafcfd61a19628b48042b79e0d3f86e" kindref="member">data_t</ref> &gt; &gt;</type>
        <definition>std::vector&lt;CachelineAligned&lt;data_t&gt; &gt; tf::DataPipeline&lt; Ps &gt;::_buffer</definition>
        <argsstring></argsstring>
        <name>_buffer</name>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      </memberdef>
      </sectiondef>
      <sectiondef kind="public-func">
      <memberdef kind="function" id="classtf_1_1DataPipeline_1a1559f218ca91b41d6c871a88183a04e5" prot="public" static="no" const="no" explicit="no" inline="no" virt="non-virtual">
        <type></type>
        <definition>tf::DataPipeline&lt; Ps &gt;::DataPipeline</definition>
        <argsstring>(size_t num_lines, Ps &amp;&amp;... ps)</argsstring>
        <name>DataPipeline</name>
        <param>
          <type>size_t</type>
          <declname>num_lines</declname>
        </param>
        <param>
          <type>Ps &amp;&amp;...</type>
          <declname>ps</declname>
        </param>
        <briefdescription>
<para>constructs a data-parallel pipeline object </para>
        </briefdescription>
        <detaileddescription>
<para><parameterlist kind="param"><parameteritem>
<parameternamelist>
<parametername>num_lines</parametername>
</parameternamelist>
<parameterdescription>
<para>the number of parallel lines </para>
</parameterdescription>
</parameteritem>
<parameteritem>
<parameternamelist>
<parametername>ps</parametername>
</parameternamelist>
<parameterdescription>
<para>a list of pipes</para>
</parameterdescription>
</parameteritem>
</parameterlist>
Constructs a data-parallel pipeline of up to <computeroutput>num_lines</computeroutput> parallel lines to schedule tokens through the given linear chain of pipes. The first pipe must define a serial direction (<ref refid="namespacetf_1abb7a11e41fd457f69e7ff45d4c769564a7b804a28d6154ab8007287532037f1d0" kindref="member">tf::PipeType::SERIAL</ref>) or an exception will be thrown. </para>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      <memberdef kind="function" id="classtf_1_1DataPipeline_1abe9f09834e32eebf792c330fe825138d" prot="public" static="no" const="no" explicit="no" inline="no" virt="non-virtual">
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        <definition>tf::DataPipeline&lt; Ps &gt;::DataPipeline</definition>
        <argsstring>(size_t num_lines, std::tuple&lt; Ps... &gt; &amp;&amp;ps)</argsstring>
        <name>DataPipeline</name>
        <param>
          <type>size_t</type>
          <declname>num_lines</declname>
        </param>
        <param>
          <type><ref refid="cpp/utility/tuple" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::tuple</ref>&lt; Ps... &gt; &amp;&amp;</type>
          <declname>ps</declname>
        </param>
        <briefdescription>
<para>constructs a data-parallel pipeline object </para>
        </briefdescription>
        <detaileddescription>
<para><parameterlist kind="param"><parameteritem>
<parameternamelist>
<parametername>num_lines</parametername>
</parameternamelist>
<parameterdescription>
<para>the number of parallel lines </para>
</parameterdescription>
</parameteritem>
<parameteritem>
<parameternamelist>
<parametername>ps</parametername>
</parameternamelist>
<parameterdescription>
<para>a tuple of pipes</para>
</parameterdescription>
</parameteritem>
</parameterlist>
Constructs a data-parallel pipeline of up to <computeroutput>num_lines</computeroutput> parallel lines to schedule tokens through the given linear chain of pipes stored in a <ref refid="cpp/utility/tuple" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::tuple</ref>. The first pipe must define a serial direction (<ref refid="namespacetf_1abb7a11e41fd457f69e7ff45d4c769564a7b804a28d6154ab8007287532037f1d0" kindref="member">tf::PipeType::SERIAL</ref>) or an exception will be thrown. </para>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      <memberdef kind="function" id="classtf_1_1DataPipeline_1aaa74a52dac68155a9b73f5f70d9d14aa" prot="public" static="no" const="yes" explicit="no" inline="no" noexcept="yes" virt="non-virtual">
        <type>size_t</type>
        <definition>size_t tf::DataPipeline&lt; Ps &gt;::num_lines</definition>
        <argsstring>() const noexcept</argsstring>
        <name>num_lines</name>
        <briefdescription>
<para>queries the number of parallel lines </para>
        </briefdescription>
        <detaileddescription>
<para>The function returns the number of parallel lines given by the user upon the construction of the pipeline. The number of lines represents the maximum parallelism this pipeline can achieve. </para>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      <memberdef kind="function" id="classtf_1_1DataPipeline_1a8720a404e3811b28e3dd5b98c9047496" prot="public" static="no" constexpr="yes" const="yes" explicit="no" inline="no" noexcept="yes" virt="non-virtual">
        <type>constexpr size_t</type>
        <definition>constexpr size_t tf::DataPipeline&lt; Ps &gt;::num_pipes</definition>
        <argsstring>() const noexcept</argsstring>
        <name>num_pipes</name>
        <briefdescription>
<para>queries the number of pipes </para>
        </briefdescription>
        <detaileddescription>
<para>The Function returns the number of pipes given by the user upon the construction of the pipeline. </para>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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        <type>void</type>
        <definition>void tf::DataPipeline&lt; Ps &gt;::reset</definition>
        <argsstring>()</argsstring>
        <name>reset</name>
        <briefdescription>
<para>resets the pipeline </para>
        </briefdescription>
        <detaileddescription>
<para>Resetting the pipeline to the initial state. After resetting a pipeline, its token identifier will start from zero as if the pipeline was just constructed. </para>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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        <type>size_t</type>
        <definition>size_t tf::DataPipeline&lt; Ps &gt;::num_tokens</definition>
        <argsstring>() const noexcept</argsstring>
        <name>num_tokens</name>
        <briefdescription>
<para>queries the number of generated tokens in the pipeline </para>
        </briefdescription>
        <detaileddescription>
<para>The number represents the total scheduling tokens that has been generated by the pipeline so far. </para>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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        <type><ref refid="classtf_1_1Graph" kindref="compound">Graph</ref> &amp;</type>
        <definition>Graph &amp; tf::DataPipeline&lt; Ps &gt;::graph</definition>
        <argsstring>()</argsstring>
        <name>graph</name>
        <briefdescription>
<para>obtains the graph object associated with the pipeline construct </para>
        </briefdescription>
        <detaileddescription>
<para>This method is primarily used as an opaque data structure for creating a module task of this pipeline. </para>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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        <templateparamlist>
          <param>
            <type>size_t...</type>
            <declname>I</declname>
            <defname>I</defname>
          </param>
        </templateparamlist>
        <type>auto</type>
        <definition>auto tf::DataPipeline&lt; Ps &gt;::_gen_meta</definition>
        <argsstring>(std::tuple&lt; Ps... &gt; &amp;&amp;, std::index_sequence&lt; I... &gt;)</argsstring>
        <name>_gen_meta</name>
        <param>
          <type><ref refid="cpp/utility/tuple" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::tuple</ref>&lt; Ps... &gt; &amp;&amp;</type>
          <defname>ps</defname>
        </param>
        <param>
          <type>std::index_sequence&lt; I... &gt;</type>
        </param>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      <memberdef kind="function" id="classtf_1_1DataPipeline_1ad5836484403bf71a4082fc9a71393e86" prot="private" static="no" const="no" explicit="no" inline="no" virt="non-virtual">
        <type>void</type>
        <definition>void tf::DataPipeline&lt; Ps &gt;::_on_pipe</definition>
        <argsstring>(Pipeflow &amp;, Runtime &amp;)</argsstring>
        <name>_on_pipe</name>
        <param>
          <type><ref refid="classtf_1_1Pipeflow" kindref="compound">Pipeflow</ref> &amp;</type>
          <defname>pf</defname>
        </param>
        <param>
          <type><ref refid="classtf_1_1Runtime" kindref="compound">Runtime</ref> &amp;</type>
        </param>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      <memberdef kind="function" id="classtf_1_1DataPipeline_1a2820a8648648fbdb5f06220b5960f033" prot="private" static="no" const="no" explicit="no" inline="no" virt="non-virtual">
        <type>void</type>
        <definition>void tf::DataPipeline&lt; Ps &gt;::_build</definition>
        <argsstring>()</argsstring>
        <name>_build</name>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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      </memberdef>
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    <briefdescription>
<para>class to create a data-parallel pipeline scheduling framework </para>
    </briefdescription>
    <detaileddescription>
<para><parameterlist kind="templateparam"><parameteritem>
<parameternamelist>
<parametername>Ps</parametername>
</parameternamelist>
<parameterdescription>
<para>data pipe types</para>
</parameterdescription>
</parameteritem>
</parameterlist>
Similar to <ref refid="classtf_1_1Pipeline" kindref="compound">tf::Pipeline</ref>, a <ref refid="classtf_1_1DataPipeline" kindref="compound">tf::DataPipeline</ref> is a composable graph object for users to create a <emphasis>data-parallel pipeline scheduling framework</emphasis> using a module task in a taskflow. The only difference is that <ref refid="classtf_1_1DataPipeline" kindref="compound">tf::DataPipeline</ref> provides a data abstraction for users to quickly express dataflow in a pipeline. The following example creates a data-parallel pipeline of three stages that generate dataflow from <computeroutput>void</computeroutput> to <computeroutput>int</computeroutput>, <computeroutput><ref refid="cpp/string/basic_string" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::string</ref></computeroutput>, <computeroutput>float</computeroutput>, and <computeroutput>void</computeroutput>.</para>
<para><programlisting filename=".cpp"><codeline><highlight class="preprocessor">#include<sp/>&lt;<ref refid="taskflow_8hpp" kindref="compound">taskflow/taskflow.hpp</ref>&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;taskflow/algorithm/data_pipeline.hpp&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>main()<sp/>{</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>data<sp/>flow<sp/>=&gt;<sp/>void<sp/>-&gt;<sp/>int<sp/>-&gt;<sp/>std::string<sp/>-&gt;<sp/>float<sp/>-&gt;<sp/>void<sp/></highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><ref refid="classtf_1_1Taskflow" kindref="compound">tf::Taskflow</ref><sp/>taskflow(</highlight><highlight class="stringliteral">&quot;pipeline&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><ref refid="classtf_1_1Executor" kindref="compound">tf::Executor</ref><sp/>executor;</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">size_t</highlight><highlight class="normal"><sp/><ref refid="classtf_1_1DataPipeline_1aaa74a52dac68155a9b73f5f70d9d14aa" kindref="member">num_lines</ref><sp/>=<sp/>4;</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><ref refid="classtf_1_1DataPipeline" kindref="compound">tf::DataPipeline</ref><sp/>pl(<ref refid="classtf_1_1DataPipeline_1aaa74a52dac68155a9b73f5f70d9d14aa" kindref="member">num_lines</ref>,</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/>tf::make_data_pipe&lt;void,<sp/>int&gt;(<ref refid="namespacetf_1abb7a11e41fd457f69e7ff45d4c769564a7b804a28d6154ab8007287532037f1d0" kindref="member">tf::PipeType::SERIAL</ref>,<sp/>[&amp;](<ref refid="classtf_1_1Pipeflow" kindref="compound">tf::Pipeflow</ref>&amp;<sp/>pf)<sp/>-&gt;<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal">{</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal">(pf.<ref refid="classtf_1_1Pipeflow_1a295e5d884665c076f4ef5d78139f7c51" kindref="member">token</ref>()<sp/>==<sp/>5)<sp/>{</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>pf.stop();</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>return<sp/>0;</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>return<sp/>pf.token();</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/>}),</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/>tf::make_data_pipe&lt;int,<sp/>std::string&gt;(<ref refid="namespacetf_1abb7a11e41fd457f69e7ff45d4c769564a7b804a28d6154ab8007287532037f1d0" kindref="member">tf::PipeType::SERIAL</ref>,<sp/>[](</highlight><highlight class="keywordtype">int</highlight><highlight class="normal">&amp;<sp/>input)<sp/>{</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="namespacetf_1a9ca58dc6c666698cc7373eb0262140ef" kindref="member">std::to_string</ref>(input<sp/>+<sp/>100);</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/>}),</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/>tf::make_data_pipe&lt;std::string,<sp/>void&gt;(<ref refid="namespacetf_1abb7a11e41fd457f69e7ff45d4c769564a7b804a28d6154ab8007287532037f1d0" kindref="member">tf::PipeType::SERIAL</ref>,<sp/>[](<ref refid="cpp/string/basic_string" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::string</ref>&amp;<sp/>input)<sp/>{</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><ref refid="cpp/io/basic_ostream" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::cout</ref><sp/>&lt;&lt;<sp/>input<sp/>&lt;&lt;<sp/><ref refid="cpp/io/manip/endl" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::endl</ref>;</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/><sp/><sp/>})</highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/>);</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>build<sp/>the<sp/>pipeline<sp/>graph<sp/>using<sp/>composition</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/>taskflow.composed_of(pl).name(</highlight><highlight class="stringliteral">&quot;pipeline&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>dump<sp/>the<sp/>pipeline<sp/>graph<sp/>structure<sp/>(with<sp/>composition)</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/>taskflow.dump(<ref refid="cpp/io/basic_ostream" kindref="compound" external="/home/thuang295/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::cout</ref>);</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>run<sp/>the<sp/>pipeline</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/>executor.<ref refid="classtf_1_1Executor_1a519777f5783981d534e9e53b99712069" kindref="member">run</ref>(taskflow).wait();</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline><highlight class="normal">}</highlight></codeline>
</programlisting></para>
<para>The pipeline schedules five tokens over four parallel lines in a circular fashion, as depicted below:</para>
<para><programlisting filename=".shell-session"><codeline><highlight class="normal">o<sp/>-&gt;<sp/>o<sp/>-&gt;<sp/>o</highlight></codeline>
<codeline><highlight class="normal">|<sp/><sp/><sp/><sp/>|<sp/><sp/><sp/><sp/>|</highlight></codeline>
<codeline><highlight class="normal">v<sp/><sp/><sp/><sp/>v<sp/><sp/><sp/><sp/>v</highlight></codeline>
<codeline><highlight class="normal">o<sp/>-&gt;<sp/>o<sp/>-&gt;<sp/>o</highlight></codeline>
<codeline><highlight class="normal">|<sp/><sp/><sp/><sp/>|<sp/><sp/><sp/><sp/>|</highlight></codeline>
<codeline><highlight class="normal">v<sp/><sp/><sp/><sp/>v<sp/><sp/><sp/><sp/>v</highlight></codeline>
<codeline><highlight class="normal">o<sp/>-&gt;<sp/>o<sp/>-&gt;<sp/>o</highlight></codeline>
<codeline><highlight class="normal">|<sp/><sp/><sp/><sp/>|<sp/><sp/><sp/><sp/>|</highlight></codeline>
<codeline><highlight class="normal">v<sp/><sp/><sp/><sp/>v<sp/><sp/><sp/><sp/>v</highlight></codeline>
<codeline><highlight class="normal">o<sp/>-&gt;<sp/>o<sp/>-&gt;<sp/>o</highlight></codeline>
</programlisting> </para>
    </detaileddescription>
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</doxygen>
