/// <summary>
/// Saves the settings (i.e custom configurations).
/// </summary>
protected void SaveSettings()
{
Serializer serializer = new Serializer(
customConfigurations,
GetDefaultConfig(new XmlFormat()),
"CustomConfigurations");
XmlGenerator generator = new XmlGenerator();
StringBuilder configurationString = new StringBuilder();
foreach (ISerializationToken token in serializer)
{
configurationString.Append(generator.Format(token));
}
StringBuilder configurationTypeCacheString = new StringBuilder();
foreach (string s in generator.Format(serializer.TypeCache))
{
configurationTypeCacheString.Append(s);
}
Properties.Settings.Default.CustomConfigurations =
configurationString.ToString();
Properties.Settings.Default.CustomConfigurationsTypeCache =
configurationTypeCacheString.ToString();
Properties.Settings.Default.Save();
}
private void ProfilePersistenceToMemory(string fileName)
{
var REPS = 5;
var oldDeserStopwatch = new Stopwatch();
var oldSerStopwatch = new Stopwatch();
var newDeserStopwatch = new Stopwatch();
var newSerStopwatch = new Stopwatch();
long oldSize = 0, newSize = 0;
var config = ConfigurationService.Instance.GetConfiguration(new XmlFormat());
int[] oldCollections = new int[3];
int[] newCollections = new int[3];
for (int i = 0; i < REPS; i++)
{
var original = XmlParser.Deserialize(fileName);
object deserializedObject1 = null;
object deserializedObject2 = null;
byte[] buf;
System.GC.Collect();
var collection0 = System.GC.CollectionCount(0);
var collection1 = System.GC.CollectionCount(1);
var collection2 = System.GC.CollectionCount(2);
using (var s = new MemoryStream()) {
oldSerStopwatch.Start();
// serialize manually so that the stream won't be closed
var serializer = new Core.Serializer(original, config);
serializer.InterleaveTypeInformation = true;
using (StreamWriter writer = new StreamWriter(new GZipStream(s, CompressionMode.Compress))) {
XmlGenerator generator = new XmlGenerator();
foreach (ISerializationToken token in serializer)
{
writer.Write(generator.Format(token));
}
writer.Flush();
oldSize += s.Length;
}
oldSerStopwatch.Stop();
buf = s.GetBuffer();
}
using (var s = new MemoryStream(buf)) {
oldDeserStopwatch.Start();
deserializedObject1 = XmlParser.Deserialize(s);
oldDeserStopwatch.Stop();
}
System.GC.Collect();
oldCollections[0] += System.GC.CollectionCount(0) - collection0;
oldCollections[1] += System.GC.CollectionCount(1) - collection1;
oldCollections[2] += System.GC.CollectionCount(2) - collection2;
collection0 = System.GC.CollectionCount(0);
collection1 = System.GC.CollectionCount(1);
collection2 = System.GC.CollectionCount(2);
// Protobuf only uses Deflate
using (var m = new MemoryStream()) {
// using (var s = new GZipStream(m, CompressionMode.Compress)) { // same as old persistence
using (var s = new DeflateStream(m, CompressionMode.Compress)) { // new format
newSerStopwatch.Start();
(new ProtoBufSerializer()).Serialize(original, s, false);
s.Flush();
newSerStopwatch.Stop();
newSize += m.Length;
}
buf = m.GetBuffer();
}
using (var m = new MemoryStream(buf)) {
// using (var s = new GZipStream(m, CompressionMode.Decompress)) { // same as old persistence
using (var s = new DeflateStream(m, CompressionMode.Decompress)) { // new format
newDeserStopwatch.Start();
deserializedObject2 = (new ProtoBufSerializer()).Deserialize(s);
newDeserStopwatch.Stop();
}
}
//Assert.AreEqual(deserializedObject1.GetObjectGraphObjects().Count(), deserializedObject2.GetObjectGraphObjects().Count());
System.GC.Collect();
newCollections[0] += System.GC.CollectionCount(0) - collection0;
newCollections[1] += System.GC.CollectionCount(1) - collection1;
newCollections[2] += System.GC.CollectionCount(2) - collection2;
}
Console.WriteLine($"{fileName} " +
$"{oldSize / (double)REPS} " +
$"{newSize / (double)REPS} " +
$"{oldSerStopwatch.ElapsedMilliseconds / (double)REPS} " +
$"{newSerStopwatch.ElapsedMilliseconds / (double)REPS} " +
$"{oldDeserStopwatch.ElapsedMilliseconds / (double)REPS} " +
$"{newDeserStopwatch.ElapsedMilliseconds / (double)REPS} " +
$"{oldCollections[0] / (double)REPS} " +
$"{newCollections[0] / (double)REPS} " +
$"{oldCollections[1] / (double)REPS} " +
$"{newCollections[1] / (double)REPS} " +
$"{oldCollections[2] / (double)REPS} " +
$"{newCollections[2] / (double)REPS} " +
$"");
}
