<p>As the title said, std::make_tuple do not need to move, because the compiler will </p>

<p>1 : directly construct the tuple when it can<br>
2 : move the tuple if case 1 can not be done</p>

<p>move is good, but direct construct is even better, use std::move to move the tuple would forbid the compiler to do the optimization</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>&nbsp;&nbsp;<a href='https://github.com/mlpack/mlpack/pull/653'>https://github.com/mlpack/mlpack/pull/653</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>fix performance issue--forgot to move name parameters</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/653/files#diff-0">src/mlpack/core/data/split_data.hpp</a>
    (5)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/mlpack/mlpack/pull/653.patch'>https://github.com/mlpack/mlpack/pull/653.patch</a></li>
  <li><a href='https://github.com/mlpack/mlpack/pull/653.diff'>https://github.com/mlpack/mlpack/pull/653.diff</a></li>
</ul>

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