static string BenchmarkClassicWrite(int acountCount, int range, int runs, int warmUpRuns)
{
var rand = new Random();
var actions = new List <Action>();
Action stepUp = () =>
{
var tree = new ConcurrentDictionary <int, int>();
actions = new List <Action>();
for (int i = 0; i < acountCount; i++)
{
var number = rand.Next(range);
actions.Add(() =>
{
tree.GetOrAdd(number, number);
});
}
};
Action run = () =>
{
Parallel.Invoke(actions.ToArray());
};
return(MyStupidBenchmarker.Benchmark(stepUp, run, runs, warmUpRuns).ToString());
}
static string BenchmarkClassicRead(int acountCount, int runs, int warmUpRuns)
{
var rand = new Random();
var actions = new List <Action>();
Action stepUp = () =>
{
var tree = new ConcurrentDictionary <Guid, string>();
actions = new List <Action>();
for (int i = 0; i < acountCount; i++)
{
var guid = Guid.NewGuid();
tree.GetOrAdd(guid, guid.ToString());
actions.Add(() =>
{
tree.TryGetValue(guid, out var _);
});
}
};
Action run = () =>
{
Parallel.Invoke(actions.ToArray());
};
return(MyStupidBenchmarker.Benchmark(stepUp, run, runs, warmUpRuns).ToString());
}
static string BenchmarkMine(int acountCount, int range, int runs, int warmUpRuns)
{
var rand = new Random();
List <Action> actions = null;;
Action stepUp = () =>
{
var tree = new RawConcurrentIndexed <int, int>();
actions = new List <Action>();
for (int i = 0; i < acountCount; i++)
{
var roll = rand.Next(2);
if (roll == 0)
{
var number = rand.Next(range);
actions.Add(() =>
{
tree.GetOrAdd(number, number);
});
}
else if (roll == 1)
{
var number = rand.Next(range);
actions.Add(() =>
{
tree.TryGetValue(number, out var _);
});
}
}
};
Action run = () =>
{
Parallel.Invoke(actions.ToArray());
};
return(MyStupidBenchmarker.Benchmark(stepUp, run, runs, warmUpRuns).ToString());
}
static string JustReadFromAnArrayALot(int acountCount, int runs, int warmUpRuns)
{
var rand = new Random();
List <Action> actions = null;
ArrayHolder ah = new ArrayHolder();
Action stepUp = () =>
{
var tree = new string[100];
for (int i = 0; i < 100; i++)
{
tree[i] = "thing " + i;
}
ah.array = tree;
Action action = () =>
{
var _ = ah.array.Span[(int)rand.Next(100)];
};
actions = new List <Action>();
for (int i = 0; i < acountCount; i++)
{
actions.Add(action);
}
};
Action run = () =>
{
Parallel.Invoke(actions.ToArray());
};
return(MyStupidBenchmarker.Benchmark(stepUp, run, runs, warmUpRuns).ToString());
}