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Unicorn is a CPU emulation framework based on QEMU's "TCG" CPU emulator. Unlike QEMU, Unicorn focuses on the CPU only: no emulation of any peripherals is provided and raw binary code (outside of the context of an executable file or a system image) can be run directly. Unicorn is thread-safe and has multiple bindings and instrumentation interfaces.
Some other products such as VMware and Virtual PC use similar approaches to Bochs and QEMU, however they use a number of advanced techniques to shortcut most of the calls directly to the CPU (similar to the process that JIT compiler uses) to bring the speed to near native in most cases.
QEMU: 9.2.1 February 12, 2025: aarch64: Cross-platform: ... Virtual Machine equivalent or Cloud. ... While the ARM processor in the Acorn Archimedes is a 32-bit ...
A virtual machine implements functionality of a (physical) computer with an operating system. The software or firmware that creates a virtual machine on the host hardware is called a hypervisor or virtual machine monitor. [2] Software executed on these virtual machines is separated from the underlying hardware resources.
Kernel-based Virtual Machine (KVM) is a free and open-source virtualization module in the Linux kernel that allows the kernel to function as a hypervisor. It was merged into the mainline Linux kernel in version 2.6.20, which was released on February 5, 2007. [1] KVM requires a processor with hardware virtualization extensions, such as Intel VT ...
CPU [1] Microarch-itecture Cores/ threads Clock speed (base/turbo) Cache Litho-graphy Max. TDP Integrated Graphics Max. memory size EPT Works on QEMU-KVM Xen VMware ESXi Core2 Quad Q9400 [a] [3] Yorkfield: 4 / 4 2.66 GHz: 6 MB L2: 45 nm: 95 W: No [b] Unknown No Unknown Unknown Unknown Core2 Quad CPU Q9650 [a] Yorkfield: 4 / 4 3.0 GHz ...
GNOME Boxes is an application of the GNOME Desktop Environment, used to access virtual systems. Boxes uses the QEMU, KVM, and libvirt virtualization technologies. [4] GNOME Boxes requires the CPU to support some form of hardware-assisted virtualization (AMD-V or Intel VT-x, for example).
February 18: Microsoft acquires virtualization technologies (Virtual PC and unreleased product called "Virtual Server") from Connectix Corporation. February 18: Development begins on QEMU, a free and open-source hardware emulator. [5] Late 2003: EMC acquires VMware for $635 million. Late 2003: VERITAS acquires Ejascent for $59 million.