static void Main(string[] args)
{
PerfTest perf = new PerfTest();
int repeat = 1000;
perf.Start();
XPathDocument doc = new XPathDocument(Globals.GetResource(Globals.NorthwindResource));
//XmlDocument doc = new XmlDocument();
//doc.Load("test/northwind.xml");
Console.WriteLine("Loading XML document: {0, 6:f2} ms", perf.Stop());
XPathNavigator nav = doc.CreateNavigator();
XPathExpression expr = nav.Compile("/ROOT/CustomerIDs/OrderIDs/Item[OrderID=' 10330']/ShipAddress");
Console.WriteLine("Regular selection, warming...");
SelectNodes(nav, repeat, perf, expr);
Console.WriteLine("Regular selection, testing...");
SelectNodes(nav, repeat, perf, expr);
perf.Start();
IndexingXPathNavigator inav = new IndexingXPathNavigator(
doc.CreateNavigator());
Console.WriteLine("Building IndexingXPathNavigator: {0, 6:f2} ms", perf.Stop());
perf.Start();
inav.AddKey("orderKey", "OrderIDs/Item", "OrderID");
Console.WriteLine("Adding keys: {0, 6:f2} ms", perf.Stop());
XPathExpression expr2 = inav.Compile("key('orderKey', ' 10330')/ShipAddress");
perf.Start();
inav.BuildIndexes();
Console.WriteLine("Indexing: {0, 6:f2} ms", perf.Stop());
Console.WriteLine("Indexed selection, warming...");
SelectIndexedNodes(inav, repeat, perf, expr2);
Console.WriteLine("Indexed selection, testing...");
SelectIndexedNodes(inav, repeat, perf, expr2);
}
private static void SelectIndexedNodes(XPathNavigator nav, int repeat, PerfTest perf, XPathExpression expr)
{
int counter = 0;
perf.Start();
for (int i=0; i<repeat; i++)
{
XPathNodeIterator ni = nav.Select(expr);
while (ni.MoveNext())
counter++;
}
Console.WriteLine("Indexed selection: {0} times, total time {1, 6:f2} ms, {2} nodes selected", repeat,
perf.Stop(), counter);
}
static void Main(string[] args)
{
PerfTest perf = new PerfTest();
int repeat = 1000;
perf.Start();
XPathDocument doc = new XPathDocument(Globals.GetResource(Globals.NorthwindResource));
//XmlDocument doc = new XmlDocument();
//doc.Load("test/northwind.xml");
Console.WriteLine("Loading XML document: {0, 6:f2} ms", perf.Stop());
XPathNavigator nav = doc.CreateNavigator();
XPathExpression expr = nav.Compile("/ROOT/CustomerIDs/OrderIDs/Item[OrderID=' 10330']/ShipAddress");
Console.WriteLine("Regular selection, warming...");
SelectNodes(nav, repeat, perf, expr);
Console.WriteLine("Regular selection, testing...");
SelectNodes(nav, repeat, perf, expr);
perf.Start();
IndexingXPathNavigator inav = new IndexingXPathNavigator(
doc.CreateNavigator());
Console.WriteLine("Building IndexingXPathNavigator: {0, 6:f2} ms", perf.Stop());
perf.Start();
inav.AddKey("orderKey", "OrderIDs/Item", "OrderID");
Console.WriteLine("Adding keys: {0, 6:f2} ms", perf.Stop());
XPathExpression expr2 = inav.Compile("key('orderKey', ' 10330')/ShipAddress");
perf.Start();
inav.BuildIndexes();
Console.WriteLine("Indexing: {0, 6:f2} ms", perf.Stop());
Console.WriteLine("Indexed selection, warming...");
SelectIndexedNodes(inav, repeat, perf, expr2);
Console.WriteLine("Indexed selection, testing...");
SelectIndexedNodes(inav, repeat, perf, expr2);
}
private static void SelectIndexedNodes(XPathNavigator nav, int repeat, PerfTest perf, XPathExpression expr)
{
int counter = 0;
perf.Start();
for (int i = 0; i < repeat; i++)
{
XPathNodeIterator ni = nav.Select(expr);
while (ni.MoveNext())
{
counter++;
}
}
Console.WriteLine("Indexed selection: {0} times, total time {1, 6:f2} ms, {2} nodes selected", repeat,
perf.Stop(), counter);
}
public void SubtreeSpeed()
{
XPathDocument xdoc = new XPathDocument(Globals.GetResource(Globals.LibraryResource));
XPathNavigator nav = xdoc.CreateNavigator();
XmlDocument doc = new XmlDocument();
doc.Load(Globals.GetResource(Globals.LibraryResource));
XslTransform xslt = new XslTransform();
xslt.Load(new XmlTextReader(
Globals.GetResource(this.GetType().Namespace + ".print_root.xsl")));
PerfTest pt = new PerfTest();
// Warmup
MemoryStream stmdom = new MemoryStream();
XmlDocument wd = new XmlDocument();
wd.LoadXml(doc.DocumentElement.FirstChild.OuterXml);
xslt.Transform(wd, null, stmdom, null);
MemoryStream stmxpath = new MemoryStream();
nav.MoveToRoot();
nav.MoveToFirstChild();
nav.MoveToFirstChild();
xslt.Transform(new SubtreeeXPathNavigator(nav), null, stmxpath, null);
nav = doc.CreateNavigator();
int count = 10;
float dom = 0;
float xpath = 0;
for (int i = 0; i < count; i++)
{
GC.Collect();
System.Threading.Thread.Sleep(1000);
stmdom = new MemoryStream();
pt.Start();
// Create a new document for each child
foreach (XmlNode testNode in doc.DocumentElement.ChildNodes)
{
XmlDocument tmpDoc = new XmlDocument();
tmpDoc.LoadXml(testNode.OuterXml);
// Transform the subset.
xslt.Transform(tmpDoc, null, stmdom, null);
}
dom += pt.Stop();
GC.Collect();
System.Threading.Thread.Sleep(1000);
stmxpath = new MemoryStream();
XPathExpression expr = nav.Compile("/library/book");
pt.Start();
XPathNodeIterator books = nav.Select(expr);
while (books.MoveNext())
{
xslt.Transform(new SubtreeeXPathNavigator(books.Current), null, stmxpath, null);
}
xpath += pt.Stop();
}
Console.WriteLine("XmlDocument transformation: {0}", dom / count);
Console.WriteLine("SubtreeXPathNavigator transformation: {0}", xpath / count);
stmdom.Position = 0;
stmxpath.Position = 0;
Console.WriteLine(new StreamReader(stmdom).ReadToEnd());
Console.WriteLine(new string('*', 100));
Console.WriteLine(new string('*', 100));
Console.WriteLine(new StreamReader(stmxpath).ReadToEnd());
}
public void SubtreeSpeed()
{
XPathDocument xdoc = new XPathDocument(Globals.GetResource(Globals.LibraryResource));
XPathNavigator nav = xdoc.CreateNavigator();
XmlDocument doc = new XmlDocument();
doc.Load(Globals.GetResource(Globals.LibraryResource));
XslTransform xslt = new XslTransform();
xslt.Load(new XmlTextReader(
Globals.GetResource(this.GetType().Namespace + ".print_root.xsl")));
PerfTest pt = new PerfTest();
// Warmup
MemoryStream stmdom = new MemoryStream();
XmlDocument wd = new XmlDocument();
wd.LoadXml(doc.DocumentElement.FirstChild.OuterXml);
xslt.Transform(wd, null, stmdom, null);
MemoryStream stmxpath = new MemoryStream();
nav.MoveToRoot();
nav.MoveToFirstChild();
nav.MoveToFirstChild();
xslt.Transform(new SubtreeeXPathNavigator(nav), null, stmxpath, null);
nav = doc.CreateNavigator();
int count = 10;
float dom = 0;
float xpath = 0;
for (int i = 0; i < count; i++)
{
GC.Collect();
System.Threading.Thread.Sleep(1000);
stmdom = new MemoryStream();
pt.Start();
// Create a new document for each child
foreach (XmlNode testNode in doc.DocumentElement.ChildNodes)
{
XmlDocument tmpDoc = new XmlDocument();
tmpDoc.LoadXml(testNode.OuterXml);
// Transform the subset.
xslt.Transform(tmpDoc, null, stmdom, null);
}
dom += pt.Stop();
GC.Collect();
System.Threading.Thread.Sleep(1000);
stmxpath = new MemoryStream();
XPathExpression expr = nav.Compile("/library/book");
pt.Start();
XPathNodeIterator books = nav.Select(expr);
while (books.MoveNext())
{
xslt.Transform(new SubtreeeXPathNavigator(books.Current), null, stmxpath, null);
}
xpath += pt.Stop();
}
Console.WriteLine("XmlDocument transformation: {0}", dom / count);
Console.WriteLine("SubtreeXPathNavigator transformation: {0}", xpath / count);
stmdom.Position = 0;
stmxpath.Position = 0;
Console.WriteLine(new StreamReader(stmdom).ReadToEnd());
Console.WriteLine(new string('*', 100));
Console.WriteLine(new string('*', 100));
Console.WriteLine(new StreamReader(stmxpath).ReadToEnd());
}
public void FullDocValidation()
{
XmlDocument doc = new XmlDocument();
doc.Load(Globals.GetResource(Globals.PubsNsResource));
XPathDocument xdoc = new XPathDocument(Globals.GetResource(Globals.PubsNsResource));
XmlSchema xsd = XmlSchema.Read(
Globals.GetResource(Globals.PubsNsSchemaResource), null);
xsd.Compile(null);
// Warmup
XmlReader r = new XmlValidatingReader(
new XmlTextReader(new StringReader(doc.OuterXml)));
while (r.Read())
{
}
r = new XmlValidatingReader(
new XPathNavigatorReader(doc.CreateNavigator()));
while (r.Read())
{
}
r = new XmlValidatingReader(
new XPathNavigatorReader(xdoc.CreateNavigator()));
while (r.Read())
{
}
PerfTest pt = new PerfTest();
int count = 10;
float xml = 0;
float xpath = 0;
float xdoctime = 0;
for (int i = 0; i < count; i++)
{
pt.Start();
r = new XmlValidatingReader(
new XmlTextReader(new StringReader(doc.OuterXml)));
while (r.Read())
{
}
xml += pt.Stop();
pt.Start();
r = new XmlValidatingReader(
new XPathNavigatorReader(doc.CreateNavigator()));
while (r.Read())
{
}
xpath += pt.Stop();
pt.Start();
r = new XmlValidatingReader(
new XPathNavigatorReader(xdoc.CreateNavigator()));
while (r.Read())
{
}
xdoctime += pt.Stop();
}
Console.WriteLine("OuterXml validation: {0}", xml / count);
Console.WriteLine("XPathNavigatorReader validation: {0}", xpath / count);
Console.WriteLine("XPathDocument/Reader validation: {0}", xdoctime / count);
}
public void TrasformItems()
{
string xml = @"<library>
<book genre='novel' ISBN='1-861001-57-5'>
<title>Pride And Prejudice</title>
</book>
<book genre='novel' ISBN='1-81920-21-2'>
<title>Hook</title>
</book>
</library>";
string xsl = @"<stylesheet version='1.0' xmlns='http://www.w3.org/1999/XSL/Transform' >
<output method='text' />
<template match='/'>
<variable name='first' select='/*[1]/*[1]' />
<variable name='second' select='/publishers/pub_id' />
<variable name='third' select='//*[title_id=""BU2075""]' />
</template>
</stylesheet>";
XslTransform xslt = new XslTransform();
xslt.Load(new XmlTextReader(new StringReader(xsl)),
null, this.GetType().Assembly.Evidence);
XPathDocument wp = new XPathDocument(Globals.GetResource(Globals.PubsResource));
XmlDocument wd = new XmlDocument();
wd.Load(Globals.GetResource(Globals.PubsResource));
PerfTest p = new PerfTest();
p.Start();
// Load the entire doc.
XPathDocument doc = new XPathDocument(Globals.GetResource(Globals.PubsResource));
// Create a new document for each child
XPathNodeIterator books = doc.CreateNavigator().Select("/dsPubs/publishers");
while (books.MoveNext())
{
XPathDocument tmpDoc = new XPathDocument(
new XPathNavigatorReader(books.Current));
// Pass the document containing the node fragment
// to the Transform method.
xslt.Transform(tmpDoc, null, Console.Out, null);
}
Console.WriteLine("\nElapsed: {0}", p.Stop());
p = new PerfTest();
p.Start();
// Load the entire doc.
XmlDocument xdoc = new XmlDocument();
xdoc.Load(Globals.GetResource(Globals.PubsResource));
// Create a new document containing just the node fragment.
// Create a new document for each child
foreach (XmlNode testNode in xdoc.SelectNodes("/dsPubs/publishers"))
{
XmlDocument tmpDoc = new XmlDocument();
tmpDoc.LoadXml(testNode.OuterXml);
// Pass the document containing the node fragment
// to the Transform method.
xslt.Transform(tmpDoc, null, Console.Out, null);
}
Console.WriteLine("\nElapsed: {0}", p.Stop());
}
public void FullDocValidation()
{
XmlDocument doc = new XmlDocument();
doc.Load(Globals.GetResource(Globals.PubsNsResource));
XPathDocument xdoc = new XPathDocument(Globals.GetResource(Globals.PubsNsResource));
XmlSchema xsd = XmlSchema.Read(
Globals.GetResource(Globals.PubsNsSchemaResource), null);
xsd.Compile(null);
// Warmup
XmlReader r = new XmlValidatingReader(
new XmlTextReader(new StringReader(doc.OuterXml)));
while (r.Read()) {}
r = new XmlValidatingReader(
new XPathNavigatorReader(doc.CreateNavigator()));
while (r.Read()) {}
r = new XmlValidatingReader(
new XPathNavigatorReader(xdoc.CreateNavigator()));
while (r.Read()) {}
PerfTest pt = new PerfTest();
int count = 10;
float xml = 0;
float xpath = 0;
float xdoctime = 0;
for (int i = 0; i < count; i++)
{
pt.Start();
r = new XmlValidatingReader(
new XmlTextReader(new StringReader(doc.OuterXml)));
while (r.Read()) {}
xml += pt.Stop();
pt.Start();
r = new XmlValidatingReader(
new XPathNavigatorReader(doc.CreateNavigator()));
while (r.Read()) {}
xpath += pt.Stop();
pt.Start();
r = new XmlValidatingReader(
new XPathNavigatorReader(xdoc.CreateNavigator()));
while (r.Read()) {}
xdoctime += pt.Stop();
}
Console.WriteLine("OuterXml validation: {0}", xml / count);
Console.WriteLine("XPathNavigatorReader validation: {0}", xpath / count);
Console.WriteLine("XPathDocument/Reader validation: {0}", xdoctime / count);
}
public void TrasformItems()
{
string xml = @"<library>
<book genre='novel' ISBN='1-861001-57-5'>
<title>Pride And Prejudice</title>
</book>
<book genre='novel' ISBN='1-81920-21-2'>
<title>Hook</title>
</book>
</library>";
string xsl = @"<stylesheet version='1.0' xmlns='http://www.w3.org/1999/XSL/Transform' >
<output method='text' />
<template match='/'>
<variable name='first' select='/*[1]/*[1]' />
<variable name='second' select='/publishers/pub_id' />
<variable name='third' select='//*[title_id=""BU2075""]' />
</template>
</stylesheet>";
XslTransform xslt = new XslTransform();
xslt.Load(new XmlTextReader(new StringReader(xsl)),
null, this.GetType().Assembly.Evidence);
XPathDocument wp = new XPathDocument(Globals.GetResource(Globals.PubsResource));
XmlDocument wd = new XmlDocument();
wd.Load(Globals.GetResource(Globals.PubsResource));
PerfTest p = new PerfTest();
p.Start();
// Load the entire doc.
XPathDocument doc = new XPathDocument(Globals.GetResource(Globals.PubsResource));
// Create a new document for each child
XPathNodeIterator books = doc.CreateNavigator().Select("/dsPubs/publishers");
while (books.MoveNext())
{
XPathDocument tmpDoc = new XPathDocument(
new XPathNavigatorReader(books.Current));
// Pass the document containing the node fragment
// to the Transform method.
xslt.Transform(tmpDoc, null, Console.Out, null);
}
Console.WriteLine("\nElapsed: {0}", p.Stop());
p = new PerfTest();
p.Start();
// Load the entire doc.
XmlDocument xdoc = new XmlDocument();
xdoc.Load(Globals.GetResource(Globals.PubsResource));
// Create a new document containing just the node fragment.
// Create a new document for each child
foreach (XmlNode testNode in xdoc.SelectNodes("/dsPubs/publishers"))
{
XmlDocument tmpDoc = new XmlDocument();
tmpDoc.LoadXml(testNode.OuterXml);
// Pass the document containing the node fragment
// to the Transform method.
xslt.Transform(tmpDoc, null, Console.Out, null);
}
Console.WriteLine("\nElapsed: {0}", p.Stop());
}