From 5e527213a2430bb3018e5eebd909aef294edf9b5 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Fri, 18 Dec 2020 18:48:46 +0300
Subject: Switch to build2

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 xsd-examples/cxx/tree/performance/README | 62 ++++++++++++++++++++++++++++++++
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+This example measures the performance of parsing and serialization in
+the C++/Tree mapping. It also shows how to structure your code to
+achieve the maximum performance for these two operations.
+
+The example consists of the following files:
+
+test.xsd
+  XML Schema which describes the test vocabulary.
+
+test-50k.xml
+  Test XML document.
+
+gen.cxx
+  Program to generate a test document of desired size.
+
+time.hxx
+time.cxx
+  Class definition that represents time.
+
+test.hxx
+test.ixx
+test.cxx
+  C++ types that represent the given vocabulary, a set of parsing
+  functions that convert XML documents to a tree-like in-memory object
+  model, and a set of serialization functions that convert the object
+  model back to XML. These are generated by the XSD compiler from
+  test.xsd.
+
+parsing.cxx
+  Parsing performance test. It first reads the entire document into
+  a memory buffer. It then creates a DOM parser and pre-parses and
+  caches the schema if validation is enabled. Finally, it runs the
+  performance measurement loop which on each iteration parses the
+  XML document from the in-memory buffer into DOM and then DOM to
+  the object model.
+
+serialization.cxx
+  Serialization performance test. It first parses the XML document
+  into the object model. It then creates a memory buffer into which
+  the document is serialized and a DOM serializer. Finally, it runs
+  the performance measurement loop which on each iteration serializes
+  the object model to DOM and DOM to XML.
+
+driver.cxx
+  Driver for the example. It first parses the command line arguments.
+  It then initializes the Xerces-C++ runtime and calls the parsing
+  and serialization tests described above.
+
+To run the example on a test XML document simply execute:
+
+$ ./driver test-50k.xml
+
+The -v option can be used to turn on validation in the underlying XML
+parser (off by default). The -i option can be used to specify the
+number of parsing and serialization iterations (1000 by default). For
+example:
+
+$ ./driver -v -i 100 test-50k.xml
+
+To generate the test document execute, for example:
+
+$ ./gen 633 test-100k.xml
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