FIG. 7 depicts an example of an operating system's view of hardware on an example of an enterprise supercomputer system. The operating system sees a plurality of “virtualized processors” (also referred to herein as “virtual processors” and “VCPUs”) denoted in FIG. 7 as P1 through Pmax (702). The virtualized processors correspond to the total number of hyperthreads across all nodes included in the enterprise supercomputer. Thus, using the example of FIG. 6B, if a total of twelve hyperthreads are present across three nodes, a total of twelve virtualized processors would be visible to an operating system running on the enterprise supercomputer. The operating system also sees “virtualized physical memory” (704) that appears to be a large, physical, linear memory of a size equal to the total amount of physical memory across all nodes.
As will be described in more detail below, the hyper-kernel dynamically optimizes the use of cache memory and virtual processor placement based on its observations of the system as it is running. A “virtual processor” is a computing engine known to its guest operating system, i.e., one that has some operating system context or state. As will be described in more detail below, the hyper-kernel dynamically optimizes the use of cache memory and virtual processor placement based on its observations of the system as it is running. A “virtual processor” is a computing engine known to its guest operating system, i.e., one that has some operating system context or state.
Resource Virtualization
Memory Virtualization
