reachable blocks.<br>
</div>

<pre><span id="VALcompact"><span class="keyword">val</span> compact</span> : <code class="type">unit -> unit</code></pre><div class="info ">
Perform a full major collection and compact the heap.  Note that heap
   compaction is a lengthy operation.<br>
</div>

<pre><span id="VALprint_stat"><span class="keyword">val</span> print_stat</span> : <code class="type"><a href="Pervasives.html#TYPEout_channel">Pervasives.out_channel</a> -> unit</code></pre><div class="info ">
Print the 