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Added some explanations about the memory mangement (through eoFunctorStore)

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evomarc 2002-03-06 06:25:40 +00:00
commit dcee458c27
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eo/tutorial/html/eoLesson3.html
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@ -2,7 +2,7 @@
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdk i686) [Netscape]">
<meta name="GENERATOR" content="Mozilla/4.78 [en] (X11; U; Linux 2.4.7-10 i686) [Netscape]">
<title>Tutorial: Lesson 3</title>
</head>
<body text="#000000" link="#0000EE" vlink="#551A8B" alink="#FF0000" background="beige009.jpg">
@ -142,7 +142,7 @@ See the parameter section of the Component-Based tutorial, or wait until
class, whose only purpose is the input of parameters.</font></li>
</ul>
<hr WIDTH="50%"><A NAME="paraminput"><b><font color="#000099">eoParser:</font><font color="#FF0000">
<hr WIDTH="50%"><a NAME="paraminput"></a><b><font color="#000099">eoParser:</font><font color="#FF0000">
Modifying parameter values at run-time:</font></b>
<br><font color="#000000">Using an eoParser object, the parameter values
are read, by order of priority</font>
@ -172,10 +172,10 @@ the general syntax to modify parameter value at run-time is (either from
the command-line or in a text file)</li>
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><tt><font color="#660000">--longKeyword=value</font></tt></b>&nbsp;&nbsp;&nbsp;&nbsp;
or&nbsp;&nbsp;&nbsp;&nbsp; <b><tt><font color="#660000">-cvalue</font></tt></b>&nbsp;&nbsp;&nbsp;
if 'c' is the short keyword (though <b><tt><font color="#660000">-c=value</font></tt></b> also works)
if 'c' is the short keyword (though <b><tt><font color="#660000">-c=value</font></tt></b>
also works)
<br>&nbsp;
<li>
so, after compiling the executable for Lesson 3 (<b><tt><font color="#FF6666">make
@ -183,12 +183,10 @@ lesson3</font></tt></b> at system prompt in Unix), you can try to type
in</li>
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><tt><font color="#FF6666">SecondBitEA</font></tt></b>
<br>and see the algorithm run as before (OneMax optimized on 8-bits bitstrings).
But you can now type in
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><tt><font color="#FF6666">SecondBitEA --vecSize=100</font></tt></b>
<br>and see the output of the optimization of OneMax on 100-bit bitstrings.
<br>&nbsp;
@ -196,7 +194,6 @@ But you can now type in
Take a look at all available parameters by typing in</li>
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><tt><font color="#FF6666">SecondBitEA --help</font></tt></b>
<br>or by going into the code: all parameter inputs have been grouped in
the
@ -208,7 +205,8 @@ it contains the list of all actual parameters used, and can directly be
used as parameter input file: change the file name (e.g. to <b><tt><font color="#660000">SecondBitEA.param</font></tt></b>),
edit it, change whichever parameter you want, and type in</li>
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<b><tt><font color="#FF6666">SecondBitEA @SecondBitEA.param</font></tt></b>
<br>and you will see all values that you defined into the file taken into
account.
@ -247,7 +245,9 @@ of eoParam returns a reference, so you can eventually modify its value
somewhere else later (though of course this is not any useful for variable
<b><tt><font color="#660000">seed</font></tt></b>!).</li>
</ul>
There is however another way to achieve the same result in less lines of
code - with a different memory management (see <a href="eoLesson4.html#parameters">Lesson4</a>).
<br>
<hr WIDTH="100%">
<br><a NAME="state"></a><b><font color="#000099"><font size=+2>eoState:
saving and loading</font></font></b><font color="#000000">You might have
@ -276,7 +276,11 @@ method, as done <a href="SecondBitEA.html#loadstate">here</a>.</font>
method for an </font><b><tt><font color="#3366FF">eoState</font></tt></b><font color="#000000">
object anywhere in the code. But the <a href="#statesaver">checkpointing</a>
mechanism offers you better ways to do that - and it's so easy ....</font>
<p>
<p>Note that an eoState alos has another use in EO whan it comes to memory
management: it can be a repository of pointers that are not allocated within
obects - allowing to delete them by simply deleting the eoState (see <a href="eoLesson4.html#memory">Lesson
4)</a>.
<br>
<hr WIDTH="100%"><a NAME="checkpoint"></a><b><font color="#000099"><font size=+2>eoCheckpoint:
every generation I'd like to ...</font></font></b>
<br><font color="#000000">The checkpointing mechanism is a very powerful
@ -544,4 +548,4 @@ documentation</a></font></font></b>
<br><!-- Created: Fri Nov 3 18:49:12 CET 2000 --><!-- hhmts start -->Last
modified: None of your business!<!-- hhmts end -->
</body>
</html>
</html>