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A place on an exchange assigned for the trading of certain commodities, futures, or options. It is also called a pit or a trading pit.


See pit.
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To be able to virtualize the hardware, the virtual machine monitor needs to intercept all privileged operations performed by a virtual machine.
1988], the virtual machine monitor maintains a pmap data structure for each virtual machine to map its physical addresses to actual machine addresses.
Support for software fault containment (of faults occurring in the operating systems running inside the virtual machines) is a straightforward benefit of any virtual machine monitor, since the monitor can easily restrict the resources that are visible to each virtual machine.
The solution proposed in Disco was to split large applications and have the instances on the different virtual machines communicate using distributed systems protocols that run over a fast shared-memory-based virtual ethernet provided by the virtual machine monitor.
Cellular Disco's virtual cluster environment provides a much more efficient sharing mechanism that allows large applications to bypass the operating system and register shared-memory regions directly with the virtual machine monitor.
This is a particularly stressful workload for the operating system and virtual machine monitor running below it.
For the Disco runs, the virtual machine monitor itself maintains counters for user, system, and idle execution and increments them on each timer interrupt.
Disco is a virtual machine monitor that implements in software a virtual machine identical to the underlying hardware.
The virtual machine monitor manages the page table and prevents the virtual machine from directly inserting entries into it.

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