64bit - Virtual address space in 64 bit systems running in compatibility mode -


I noticed that the user virtual address space is available on a 64 bit window OS 8 Terra Bites. But if we are running the programs running on it in 32 bit compatibility mode, is this too many user space still available? Or does it behave like normal 32 bit OS and only gives 2 GB user address space?

Microsoft has shown different limitations to the chart:

Only user- To summarize the virtual address space:

  • 32-bit Windows:
    • 32-bit process: 2 GB by default; 64-bit Windows (x64 architecture):
      • 32-bit with 3 GB / LARGEADDRESSAWARE: Yes and 4GT
    • Process: By default, 2 GB; 4 GB with / LARGEADDRESSAWARE: yes
    • 64-bit process: 8 TB by default; 4 GB 4-gigabyte tuning is:

        Li> XP: / 3GB boot.ini switch

      • Vista: bcdedit / set increaseuserva 3072

      mark Russinovich created a blog post that has several limitations:


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