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Virtualization has recently become popular in the embedded-systems area. In order to apply virtualization techniques on embedded-systems, we need a hypervisor that provides a software virtualization environment. A hypervisor scheduler assigns virtual cores in a virtual machine to physical cores. Since traditional load-balanced scheduling strategy is not aware of the asymmetry of cores, its deployment...
Energy-efficient task scheduling is a fundamental issue in many application domains, such as energy conservation for mobile devices and the operation of green computing data centers. Modern processors support dynamic voltage and frequency scaling (DVFS) on a per-core basis, i.e., the CPU can adjust the voltage or frequency of each core. As a result, the core in a processor may have different computing...
Dynamic binary translation (DBT) is a core technology to many important applications such as system virtualization, dynamic binary instrumentation, and security. However, there are several factors that often impede its performance: 1) emulation overhead before translation; 2) translation and optimization overhead; and 3) translated code quality. The issues also include its retargetability that supports...
Compiler techniques for program optimizations have been well studied for single-thread programs. With the advance of multi-core architectures, compiler optimizations for multi-threaded parallel programs have started to draw research attention in recent years. Optimizations for multi-threaded parallel programs on multi-core architectures are much more difficult because of the complicated interaction...
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