This article from AMD (warning: PDF) discusses 64-vs-32 bits in some detail.
The varnish http cache is a prime example of this. This affects not just "real ram", but their entire virtual address space.which is a particular problem if applications plan to make extensive use of virtual memory via mmap() or other techniques. While you can get your 32bit kernel to address more than 4GB of RAM, individual processes will still be limited to 4GB. The biggest is, as you say, the ability to address large amounts of memory. There are a number of advantages to running in a 64 bit environment. This will allow you to copy and paste between your virtual and host machines, useful when you want to copy outputs from one device to the other.Are there any benefits or disadvantages between 64-bit and 32-bit virtualization, except theĤ gigabyte memory limit on 32-bit machines. This will improve the performance of your virtual machine by taking advantage of your PC’s 3D hardware and allow you to resize your desktop resolution!Īnother feature this unlocks is the shared clipboard, which you can activate in Devices > Shared Clipboard.
Once this is complete, you will need to restart your virtual machine for the new features to take effect.Ĭlose the machine, but before you start it up again, return to the Settings menu and change the Graphics Controller back to VMSVGA and Enable 3D Acceleration. The disc will appear inside your virtual desktop and you will be prompted to run the software. This will prompt you to download the Guest Additions disk image file. To install Guest Additions, you need to complete your installation of Ubuntu in your virtual machine and boot to the desktop.įrom there, select Devices > Insert Guest Additions CD. This includes better integration between your virtual machine and the host machine, as well as improved video support that enables the display resolution options when using VMSVGA. Guest Additions is an extra piece of software that unlocks some more advanced features of VirtualBox.
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