title: What is Boost Jam and is Jam worth migrating to?
body: <p>What is Boost Jam and is Jam worth migrating to? </p>
  
  <p>I understand that jam is build system built by perforce however I am not sure how the boost jam &amp; regular jam is different. </p>
  
  <p>I'm also hoping there could be someone in the SO community who has worked with it and maybe can highlight some differences and/or benefits. </p>