c# - gcAllowVeryLargeObjects 的可能缺点？

Question

在几次 outOfMemory 异常之后，我启用了“gcAllowVeryLargeObjects”，它工作得很好。我现在想知道为什么它不是 C# 中的默认选项(在 64 位平台上)。

是否纯粹出于兼容性原因？还是我遗漏了 gcAllowVeryLargeObjects 的主要缺点？

Answer 1

MSDN说:

Before enabling this feature, ensure that your application does not include unsafe code that assumes that all arrays are smaller than 2 GB in size. For example, unsafe code that uses arrays as buffers might be susceptible to buffer overruns if it is written on the assumption that arrays will not exceed 2 GB.

所以只要您不使用不安全代码，就没有缺点。