<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/129314>129314</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [libc++] std::transform with an identity predicate is much slower than std::copy
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            libc++,
            performance
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          ldionne
      </td>
    </tr>
</table>

<pre>
    This needs to be investigated.
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJxM0EGK5CAUBuDT6EY6mGcSk4WL7ilygrmA0VeJg9GgL9XU7YcUDdUgCP_i4_-frTWsCdGw_ov1N25P2nIx0YecEvIl-6f5u4UqEqKvgrJYUIT0wEphtYS-4d4oP6nJcjSt7qTWWo8j38w4OKX7flF6uGsJapimyQHgIJ3s5OR4MCChlwAjtKDk2Pixbe3gFu_uHXZasU7ibkNsYnzsTS4rD7WeaFqYVNvxaBeM9dUcIIbFMfh6PWDwhwEcWO657DY5vLL-xou5pI_lXCvrZAyV6tumQPF1h19UfxOVPFOfTH1SsaleoPgOtAmbRPCYKNBTHAV9cJZQhCr2022ixvyNRdBm01tw-Xjys0SzER31ymBmMK-BtnNpXN4ZzFedn-_jKPkfOmIwv3ZXBvPP9IeB_wEAAP__dPCLig">