ACF best practice - multiple get_field vs one get_fields
<p>In a case where a post have a few dozen custom fields and I just need two or three, <strong>in term of performance and optimisation</strong>, is it better to do one request getting every fields with</p>

<blockquote>
  <p><a href="http://www.advancedcustomfields.com/resources/get_field/" rel="nofollow">get_fields()</a></p>
</blockquote>

<p>or multiple requests getting a single field with</p>

<blockquote>
  <p><a href="http://www.advancedcustomfields.com/resources/get_fields/" rel="nofollow">get_field($field_name)</a></p>
</blockquote>

<p>and if it depends (on the post's total number of fields, the number of fields needed, etc), at which point does one solution become better than the other ?</p>