In this paper, we introduce a distributed power allocation strategy for random access, that has the capabilities of multipacket reception (MPR) and successive interference cancellation (SIC). The proposed random access scheme is suitable for machine-to-machine (M2M) communication application in fifth-generation (5G) cellular networks. A previous study optimized the probability distribution for ...

The high cost of context switching is one reason that operating system performance is not keeping pace with hardware improvements. Besides the cost of saving and restoring registers, another component of context switch cost is the cache interference between multiple processes sharing the same cache. We measured kernel on user, user on kernel, and user on user cache interference from context swi...

Today’s data centers are designed with multi-core CPUs where multiple virtual machines (VMs) can be colocated into one physical machine or distribute multiple computing tasks onto one physical machine. The result is co-tenancy, resource sharing and competition. Modeling and predicting such co-run interference becomes crucial for job scheduling and Quality of Service assurance. Co-locating inter...

Android is an operating system that has been usedin a majority of mobile devices. Each application in Androidruns in an instance of the Dalvik virtual machine, which isa register-based virtual machine (VM). Most applications forAndroid are developed using Java, compiled to Java bytecodeand then translated to DEX bytecode using the dx tool inthe Android SDK. In this work,...

We describe the design and implementation of DeepDive, a system for transparently identifying and managing performance interference between virtual machines (VMs) co-located on the same physical machine in Infrastructure-as-a-Service cloud environments. DeepDive successfully addresses several important challenges, including the lack of performance information from applications, and the large ov...

RNA interference (RNAi) is a mechanism whereby small RNAs (siRNAs) directly control gene expression without assistance from proteins. This mechanism consists of interactions between RNAs and small RNAs both of which may be single or double stranded. The target of the mechanism is mRNA to be degraded or aberrated, while the initiator is double stranded RNA (dsRNA) to be cleaved into siRNAs. Obse...