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The use of cache memories challenges the design and verification of high-integrity systems by making WCET analysis and measurement, the central input to schedulabil-ity analysis, considerably more laborious and less robust. In this paper we identify the sources of instruction cache-related variability and gage them with ad-hoc experiments. In that light, we(More)
Twenty-four patients with clinically defined multiple sclerosis were prospectively studied with the aim of establishing the frequency of retinal periphlebitis. In three cases (12.5%) retinal periphlebitis was observed. None of the patients with multiple sclerosis and retinal periphlebitis presented a severe form or progressive course of the disease;(More)
Self-powered vehicles that interact with the physical world, such as spacecraft, require computing platforms with predictable timing behavior and a low energy demand. Energy consumption can be reduced by choosing energy-efficient designs for both hardware and software components of the platform. We leverage the state-of-the-art in energy-efficient hardware(More)
Energy-autonomous computing devices have the potential to extend the reach of computing to a scale beyond either wired or battery-powered systems. However, these devices pose a unique set of challenges to application developers who lack both hardware and software support tools. Energy harvesting devices experience power intermittence which causes the system(More)
A case of congenital atrioventricular block in a newborn whose mother presented with systemic lupus erythematosus (SLE) is reported. Despite intensive care the child died a few hours after birth. Serial sections of the heart could be examined. Histology provided information on the appearance and distribution of the lesions. In particular, the sinus node was(More)
Energy-harvesting computers eschew tethered power and batteries by <i>harvesting</i> energy from their environment. The devices gather energy into a storage element until they have enough energy to power a computing device. Once powered, the device functions until its energy is depleted, when it browns out and gathers more energy. Software on such computing(More)
BACKGROUND Townes-Brocks syndrome (TBS) is a rare autosomal dominant entity mainly characterized by ano-rectal, ear and extremities abnormalities with variable clinical expression. CASE REPORTS The first case had ear and extremities, but not anorectal, abnormalities; a Pierre-Robin sequence with esophageal atresia was also observed. The second case had(More)
The authors report a case of probable Haemophilus influenzae endocarditis in a 7 month-old infant with a bicuspid aortic valve. Precocity of the occurrence of endocarditis in such asymptomatic cardiac abnormality, scarcity of the suspected germ, and the observed mode of evolution are underlined. This case raises the problem of an endocardial involvement in(More)