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如何在C＃中分配较大的连续内存块（Win + Linux）

[英]How can I allocate a large contiguous memory chunk in C# (win + linux)

原文 2015-01-08 19:45:24 2 1 c#/ .net/ memory-management/ mono

I'm searching for a memory allocation method in C# that provides a contiguous chunk of memory (> 4 GiB). 我正在寻找C＃中的内存分配方法，该方法提供连续的内存块（> 4 GiB）。 This method should work on Mono as well as on Microsoft .NET. 此方法在Mono以及Microsoft .NET上均应适用。 It's no problem if this memory is unmanaged. 如果此内存不受管理，那没有问题。

Linux: Linux的：
I think calling mmap by DllImport is a good choice for Mono. 我认为DllImport调用mmap是Mono的不错选择。

Windows: 视窗：
I found several method's like HeapAlloc, AllocHGlobal, ..., but none of them seem to provide a 64 bit size parameter. 我发现了几种方法，例如HeapAlloc，AllocHGlobal，...，但是似乎都没有提供64位大小的参数。

There is also a method to enable large object for the GC. 还有一种为GC启用大对象的方法。 Are these objects contiguous? 这些对象是连续的吗？

1 个解决方案

Marshal.AllocHGlobal() has an IntPtr version, which can support 64-bit values. Marshal.AllocHGlobal()具有IntPtr版本，可以支持64位值。

What makes you say it doesn't. 是什么让你说没有。

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