Querying 1,000,000 times with 1,000,000 elements:
| Container | Mean(ms) | Min(ms) | Max(ms) | Range | AllocatedBytes | Operations | Ratio of Mean(ms) |
|---|---|---|---|---|---|---|---|
| Dictionary | 34.72 | 30.65 | 36.33 | 16% | 170 | 656 | 1.00x |
| ConcurrentDictionary | 129.94 | 128.51 | 131.43 | 2% | 542 | 60 | 3.74x |
| ConditionalWeakTable | 168.45 | 150.94 | 184.17 | 20% | 542 | 236 | 4.85x |
Consider a part of CSharp code as follows, and try to guess what is the value of instance.Number:
var instance = new SampleClass()
{
Number = 3;
};
Console.WriteLine(instance.Number); // What's the value of property 'Number'?
class SampleClass
{
public int Number {get; set;} = 1;
public SampleClass()
{
Number = 2;
}
}This is a delegate with ref keyword on one of its parameters:
public delegate void FooByRef(ref int number);