Performance/MemShrink/DMD: Difference between revisions

Performance/MemShrink/DMD (view source)

50 bytes added , 6 October 2014

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 DMD outputs a gzipped JSON file that contains a description of the heap. After unzipping it, you can analyze it using <tt>$OBJDIR/dist/bin/dmd.py</tt>.
-If you are on a platform that requires stack fixing (Linux, Mac) this will occur the first time you run <tt>dmd.py</tt> on the output file. This can take several minutes to complete.
+Some platforms (Linux, Mac) require stack fixing, which adds missing filename, function name and line number information. This will occur automatically the first time you run <tt>dmd.py</tt> on the output file. This can take several minutes to complete.
-Once that completes, if you invoke <tt>dmd.py</tt> without arguments you will get output that describes how the live heap blocks are covered by memory reports. This output is broken into multiple sections.
+If you invoke <tt>dmd.py</tt> without arguments you will get output that describes how the live heap blocks are covered by memory reports. This output is broken into multiple sections.
 # "Invocation".  This tells you how DMD was invoked, i.e. what options were used.