Hey Chris,<div><br></div><div>The situation as you&#39;ve described it doesn&#39;t seem like it would cause excessive CPU usage on any modern personal computer, unless you are processing loads of OSC messages (off the top of my head, more than a dozen per millisecond). </div>
<div><br></div><div>In my experience CPU overload is most often caused by an audio graph that is too large, i.e. too much stuff chucked directly or indirectly to dac. Another issue is doing control-rate processing too fast, i.e. lots of loops running 1::samp =&gt; now; or similarly short time durations. Is your project doing anything along those lines? </div>
<div><br></div><div>spencer</div><div><br><br><div class="gmail_quote">On Tue, Jun 5, 2012 at 9:07 AM, [chriswicks] <span dir="ltr">&lt;<a href="mailto:crwicks@yahoo.com" target="_blank">crwicks@yahoo.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-size:10pt;font-family:arial,helvetica,sans-serif"><div><span>That should read &quot;question about CPU optimization&quot; :)</span></div>
<div><br></div>  <div style="font-family:arial,helvetica,sans-serif;font-size:10pt"> <div style="font-family:times new roman,new york,times,serif;font-size:12pt"> <div dir="ltr"> <font face="Arial"> <hr size="1">  <b><span style="font-weight:bold">From:</span></b> [chriswicks] &lt;<a href="mailto:crwicks@yahoo.com" target="_blank">crwicks@yahoo.com</a>&gt;<br>
 <b><span style="font-weight:bold">To:</span></b> ChucK Mailing List &lt;<a href="mailto:chuck-users@lists.cs.princeton.edu" target="_blank">chuck-users@lists.cs.princeton.edu</a>&gt; <br> <b><span style="font-weight:bold">Sent:</span></b> Tuesday, June 5, 2012 9:05 AM<br>
 <b><span style="font-weight:bold">Subject:</span></b> [chuck-users] question about memory optimization<br> </font> </div><div><div class="h5"> <br>
<div><div><div style="font-size:10pt;font-family:arial,helvetica,sans-serif"><div>Hello all!  I have a moderately-sized project that I&#39;m working on right now...the basic gist is that it&#39;s several smaller ChucK programs containing infinite loops and OSC event &quot;listeners&quot; that trigger certain behaviors or events in the music all running concurrently (the main catcher/sender for the OSC values is being written in C++).  All told, in its present state there are 26 shreds running in the VM.<br>
</div><div><br></div><div>This program takes up a LOT of CPU resources, and I was wondering if anybody had any tips on optimization, or if this is just a fact of life with a ChucK program of this nature.  I know that the OSC stuff has only recently been implemented.  I feel like I&#39;ve been reasonably efficient with my code, but I&#39;m seeing upwards of 80% CPU usage.  It stays pretty stable, but
 this seems like
 a lot.  In its current state, it&#39;s unplayable on my dual-core laptop, but my quad-core desktop can handle it OK.</div><div><br></div><div>Thanks for any insight!</div><div><br></div><div>-chris wicks<br></div></div>
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