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authorJörg Frings-Fürst <debian@jff.email>2024-03-06 10:24:46 +0100
committerJörg Frings-Fürst <debian@jff.email>2024-03-06 10:24:46 +0100
commit372a0e99c2f61543d9e14d9933b59d9d1f4cb26e (patch)
treebbadf39aed0610c8f8f7b41fefff47773b8ac205 /xsd/examples/cxx/tree/performance/README
parent23d41842168ac1a1580111b9c5c73500ceee3d57 (diff)
parent4538829ab86b5a1cd4e845e7eab165029c9d6d46 (diff)
Merge branch 'feature/upstream' into develop
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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