Brendan Barry

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Myriad 2 is a multicore always-on System-on-Chip supporting computational imaging and visual awareness for mobile, wearable, and embedded applications. The Myriad 2 Vision Processing Unit (VPU) is based on the 128-bit SHAVE vector-processor and hardware acceleration pipeline backed by shared multicore memory subsystem and peripherals, and occupies 27mm in(More)
The omega-3 (ω3) and omega-6 (ω6) essential fatty acid knowledge base has been exploding. In the last 5 years, at least 12 clinical trials on ω3 and ω6 supplementation and dry eye disease (DED) were published in the peer-reviewed literature (2010 to 2015), about double the amount published in the 5 years prior. Although there is increasing scientific(More)
SkePU is a state-of-the-art skeleton programming library for high-level portable programming and efficient execution on heterogeneous parallel computer systems, with a publically available implementation for general-purpose multicore CPU and multi-GPU systems. This paper presents the design, implementation and evaluation of a new back-end of the SkePU(More)
Ultra-low power (ULP) embedded systems have become popular in the scientific community and industry, especially in media and wearable computing. In order to model ULP systems where energy per instruction can be as low as few pJ, more accurate fine-grained approaches are needed. However, there are no application-general, fine-grained and validated models yet(More)
Many modern embedded applications need the execution support of a real-time operating system. Such applications have usually critical or hard timing requirements, but giving the high presence of multimedia devices, real-time operating systems can also be used to manage the tasks that execute within multimedia devices. This paper focuses on identifying the(More)
Embedded and high performance computing (HPC) systems face many common challenges. One of them is the synchronization of the memory accesses in shared data. Concurrent queues have been extensively studied in the HPC domain and they are used in a wide variety of HPC applications. In this work, we evaluate a set of concurrent queue implementations in an(More)
The energy efficiency of computing systems can be enhanced via power models that provide insights into how the systems consume power. However, there are no application-general, fine-grained and validated power models which can provide insights into how a given application running on an ultra-low power (ULP) embedded system consumes power. In this study, we(More)
BACKGROUND Diagnostic tests for dry eye disease (DED), including ocular surface disease index (OSDI), tear breakup time (TBUT), corneal fluorescein staining, and lissamine staining, have great deal of variability. We investigated whether fluorophotometry correlated with previously established DED diagnostic tests and whether it could serve as a novel(More)
GASTROENTEROLOGY 2013;145:e4–e5 Question: A 59-year-old man with a body mass index of 47 kg/m was referred to the gastroenterology department with a 6-week history of persistent, nonbloody diarrhea. His past medical history included nonalcoholic fatty liver disease, appendectomy, and an adjustable gastric band fitted laparoscopically 6 years previously. He(More)