在C#中,遞歸調(diào)用可能會(huì)導(dǎo)致性能問題,因?yàn)樗赡軐?dǎo)致棧溢出和重復(fù)計(jì)算。為了優(yōu)化遞歸調(diào)用的開銷,可以采用以下方法:
[CompilerGenerated]
private static void RecursiveFunction(int n, int acc)
{
if (n <= 0) return;
RecursiveFunction(n - 1, acc + n);
}
public static int Factorial(int n)
{
int result = 1;
for (int i = 1; i <= n; i++)
{
result *= i;
}
return result;
}
private static Dictionary<int, int> memo = new Dictionary<int, int>();
public static int Fibonacci(int n)
{
if (n <= 1) return n;
if (!memo.ContainsKey(n))
{
memo[n] = Fibonacci(n - 1) + Fibonacci(n - 2);
}
return memo[n];
}
public static async Task<int> ParallelRecursiveFunctionAsync(int n)
{
if (n <= 0) return 0;
var task1 = Task.Run(() => ParallelRecursiveFunctionAsync(n - 1));
var task2 = Task.Run(() => ParallelRecursiveFunctionAsync(n - 2));
await Task.WhenAll(task1, task2);
return task1.Result + task2.Result;
}
AppDomain.CurrentDomain.SetupInformation.StackSize
屬性設(shè)置調(diào)用棧大小。但請注意,增加調(diào)用棧大小可能會(huì)導(dǎo)致內(nèi)存消耗增加。總之,優(yōu)化C#遞歸調(diào)用的開銷需要根據(jù)具體情況選擇合適的方法。在進(jìn)行優(yōu)化時(shí),請務(wù)必權(quán)衡性能提升和潛在的資源消耗。