https://wiki.kram.nz/index.php?action=history&feed=atom&title=SE250%3Amalloc-test.c 2026-04-24T11:36:06Z Revision history for this page on the wiki MediaWiki 1.45.3 https://wiki.kram.nz/index.php?title=SE250:malloc-test.c&diff=9208&oldid=prev 2008-11-03T05:20:49Z

<p>1 revision(s)</p> <p><b>New page</b></p><div> /*<br /> File: malloc-test.c<br /> Author: John Hamer<br /> Date: 27 March 2008<br /> Purpose: Look at malloc overhead<br /> */<br /> <br /> #include &lt;stdlib.h&gt;<br /> #include &lt;stdio.h&gt;<br /> <br /> int main( ) {<br /> int block = 1000;<br /> long malloc_count = 0;<br /> while( malloc(block) != 0 )<br /> malloc_count++;<br /> <br /> printf( &quot;Able to allocate %ld %d-byte blocks for a total of %ld bytes of useful memory\n&quot;,<br /> malloc_count, block, malloc_count * block );<br /> return 0;<br /> }<br /> <br /> /*<br /> Dell Latitude D810:<br /> Able to allocate 52006855 1-byte blocks (total: 52,006,855 bytes of useful memory)<br /> Able to allocate 825392 1,000-byte blocks (total: 825,392,000 bytes of useful memory)<br /> Able to allocate 79551 10,000-byte blocks (total: 795,510,000 bytes of useful memory)<br /> <br /> wintermute01:<br /> Able to allocate 268016277 1-byte blocks (total: 268,016,277 bytes of useful memory)<br /> Able to allocate 4254317 1000-byte blocks (total: 4,254,317,000 bytes of useful memory)<br /> Able to allocate 428531 10000-byte blocks (total: 4,285,310,000 bytes of useful memory)<br /> */</div>

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