Synthesis mapping performance

Benchmark.cs

var items = Sitecore.Context.Database.GetRootItem().Axes.GetDescendants();

Response.Write("<h1>{0} Items</h1>".FormatWith(items.Length));

var sw = new Stopwatch();
sw.Start();

var displayNamesScapi = items.Select(item => item[FieldIDs.DisplayName]).ToList();

sw.Stop();

Response.Write("<h1>SCAPI {0}ms</h1>".FormatWith(sw.ElapsedMilliseconds));

sw.Restart();

var displayNamesSynthesis = items.AsStronglyTypedCollection().Select(x => x.DisplayName).ToList();

sw.Stop();

Response.Write("<h1>Synthesis {0}ms</h1>".FormatWith(sw.ElapsedMilliseconds));

Results.txt

5148 Items

SCAPI 20ms

Synthesis 57ms