private GeobaseLocationView GetLocation(byte[] bytes, int offset)
{
return(TransformationHelper.GetLocationView(
ByteHelper.BytesToStruct <GeobaseLocationMarshal>(ByteHelper.GetBytes(bytes, offset, LocationLengh))
));
}
private GeobaseLocationView GetLocation(int index)
{
return(TransformationHelper.GetLocationView(_data.Locations[index]));
}
public void PerformanceTest()
{
var count = 50000;
var stopwatch = Stopwatch.StartNew();
var fileName = Path.Combine(Directory.GetCurrentDirectory(), "Data\\geobase.dat");
var engineDirrect = new GeobaseEngineDirrect(fileName);
var offset = (int)engineDirrect.Header.OffsetLocations;
var resultsMarshal = new List <GeobaseLocationView>();
for (int i = 0; i < count; i++)
{
var toAdd = ByteHelper.BytesToStruct <GeobaseLocationMarshal>(
new ArraySegment <byte>(
engineDirrect.Bytes, offset + i * engineDirrect.LocationLengh, engineDirrect.LocationLengh).ToArray()
);
resultsMarshal.Add(TransformationHelper.GetLocationView(toAdd));
}
stopwatch.Stop();
Console.WriteLine("BytesToObjectTest.PerformanceTest - get locations from bytes, marshal access time: " + stopwatch.Elapsed.TotalMilliseconds + " ms.");
stopwatch.Restart();
var resultsDirrect = new List <GeobaseLocationView>();
for (int i = 0; i < count; i++)
{
resultsDirrect.Add(ByteHelper.GetLocation(engineDirrect.Bytes, offset + i * engineDirrect.LocationLengh));
}
stopwatch.Stop();
Console.WriteLine("BytesToObjectTest.PerformanceTest - get locations from bytes, dirrect access time: " + stopwatch.Elapsed.TotalMilliseconds + " ms.");
stopwatch.Restart();
Assert.AreEqual(resultsDirrect.Count, count);
Assert.AreEqual(resultsMarshal.Count, count);
Assert.AreEqual(resultsDirrect[0].city, resultsMarshal[0].city);
Assert.AreEqual(resultsDirrect[0].country, resultsMarshal[0].country);
Assert.AreEqual(resultsDirrect[0].latitude, resultsMarshal[0].latitude);
Assert.AreEqual(resultsDirrect[0].longitude, resultsMarshal[0].longitude);
Assert.AreEqual(resultsDirrect[0].organization, resultsMarshal[0].organization);
Assert.AreEqual(resultsDirrect[0].postal, resultsMarshal[0].postal);
Assert.AreEqual(resultsDirrect[0].region, resultsMarshal[0].region);
var index = count - 10;
Assert.AreEqual(resultsDirrect[index].city, resultsMarshal[index].city);
Assert.AreEqual(resultsDirrect[index].country, resultsMarshal[index].country);
Assert.AreEqual(resultsDirrect[index].latitude, resultsMarshal[index].latitude);
Assert.AreEqual(resultsDirrect[index].longitude, resultsMarshal[index].longitude);
Assert.AreEqual(resultsDirrect[index].organization, resultsMarshal[index].organization);
Assert.AreEqual(resultsDirrect[index].postal, resultsMarshal[index].postal);
Assert.AreEqual(resultsDirrect[index].region, resultsMarshal[index].region);
index = count - 1;
Assert.AreEqual(resultsDirrect[index].city, resultsMarshal[index].city);
Assert.AreEqual(resultsDirrect[index].country, resultsMarshal[index].country);
Assert.AreEqual(resultsDirrect[index].latitude, resultsMarshal[index].latitude);
Assert.AreEqual(resultsDirrect[index].longitude, resultsMarshal[index].longitude);
Assert.AreEqual(resultsDirrect[index].organization, resultsMarshal[index].organization);
Assert.AreEqual(resultsDirrect[index].postal, resultsMarshal[index].postal);
Assert.AreEqual(resultsDirrect[index].region, resultsMarshal[index].region);
}
