Virtualization Software QEMU 1.4.0 Improves CPU Usage Over USB 2.0

A large number of changes and improvements have been implemented in this version

By on February 18th, 2013 16:15 GMT

QEMU, a generic and open source emulator and virtualizer that can run OSes and programs made for a different machine, is now at version 1.4.0.

QEMU 1.4.0 supports virtualization when executing under the Xen hypervisor or using the KVM kernel module in Linux.

Highlights of QEMU 1.4.0:

• Improved support for MSI-X on some Mellanox devices;
• VFIO supports PCIe extended configuration space;
• Various CPU usage and throughput improvements have been put in place for USB 2.0;
• usb-tablet can be connected as an USB 2.0 device, also lowering the CPU usage substantially;
• virtio-net supports multiqueue operation;
• Support for IndustryPack emulation has been added;
• Support for DSP instructions has been improved;
• Generation of APIC IDs for NUMA configuration is now compatible with the Intel 64 Architecture Processor Topology Enumeration.

A complete list of changes and updates can be found in the official announcement.

Download QEMU 1.4.0
right now from Softpedia.
QEMU in action
   QEMU in action
MORE ON THIS TOPIC
LATEST NEWS
HOT RIGHT NOW

Comments