<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/70720>70720</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [libc++][CI] Reshuffle the Buildkite steps
        </td>
    </tr>

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

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

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

<pre>
    We could reshuffle the order of our BuildKite jobs to make sure we have the highest value ones first. We could also create more groups to compartmentalize the build more and avoid wasting resources when a job fails.

@EricWF created the amazing https://efcs.us/public/libcxx/cistats.html visualization (WIP!) which should allow doing this rebalancing.
</pre>
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