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<center><h1>nhc98 implementation limits</h1></center>

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<p>
  <em>Compiler limits.</em>  There are some arbitrary limits in nhc98's Prelude:

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<td>Prelude.hs</td><td>largest Eq instance for a tuple type</td><td>15</td>
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<td>Prelude.hs</td><td>largest Ord instance for a tuple type</td><td>15</td>
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<p>
  <em>Runtime limits.</em>  There are various limits hard-coded into
  the runtime system, whose configured settings are:

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<td>node.h</td><td>max number of constructors in a data type</td><td>512</td>
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<td>MAX_FILE_NAME</td><td>max length of filename for profiling</td><td>80</td>
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<td>MAX_CDATA</td><td>max open files + ForeignObjs</td><td>1024</td>
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<td>HEAPSIZE</td><td>default heap (change on commandline)</td><td>100000 words</td>
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<td>STACKSIZE</td><td>default stack (change on commandline)</td><td>20000 words</td>
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<hr>
<p>
The latest updates to these pages are available on the WWW from
<a href="http://www.haskell.org/nhc98/">
<tt>http://www.haskell.org/nhc98/</tt></a>

<p>
25th September 2001<br>
<a href="http://www.cs.york.ac.uk/fp/">
York Functional Programming Group</a><br>

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