public void BenchmarkMostlyReadDictionary(int readsPerWrite)
{
Benchmark.Go("MostlyReadDictionary", iterations =>
{
var methods = new MostlyReadDictionary <DataReaderMapper.MetaData, Delegate>();
while (iterations > 0)
{
var reader = CreateDataReader("extra" + iterations);
var columns = DataReaderMapper.CreateColumnList(reader);
GC.KeepAlive(methods.GetOrAdd(new DataReaderMapper.MetaData(typeof(Target), columns), Target.Create));
for (int i = 0; i < readsPerWrite; i++)
{
if (--iterations <= 0)
{
break;
}
GC.KeepAlive(methods.GetOrAdd(new DataReaderMapper.MetaData(typeof(Target), columns), Target.Create));
}
}
});
}
internal static Func <TIn, TOut, TOut> GetOrAdd <TIn, TOut>()
{
return((Func <TIn, TOut, TOut>)MapMethods.GetOrAdd(new TypePair(typeof(TIn), typeof(TOut)), _ => CreateMapDelegate(typeof(TIn), typeof(TOut))));
}