Optimal dynamic remapping of parallel computations

A large class of computations are characterized by a sequence of phases, with phase changes occurring unpredictably. The decision problem was considered regarding the remapping of workload to processors in a parallel computation when the utility of remapping and the future behavior of the workload is uncertain, and phases exhibit stable execution requirements during a given phase, but requirements may change radically between phases. For these problems a workload assignment generated for one phase may hinder performance during the next phase. This problem is treated formally for a probabilistic model of computation with at most two phases. The fundamental problem of balancing the expected remapping performance gain against the delay cost was addressed. Stochastic dynamic programming is used to show that the remapping decision policy minimizing the expected running time of the computation has an extremely simple structure. Because the gain may not be predictable, the performance of a heuristic policy that does not require estimnation of the gain is examined. The heuristic method's feasibility is demonstrated by its use on an adaptive fluid dynamics code on a multiprocessor. The results suggest that except in extreme cases, the remapping decision problem is essentially that of dynamically determining whether gain can be achieved by remapping after a phase change. The results also suggest that this heuristic is applicable to computations with more than two phases

Looking to the future: Framing the implementation of interprofessional education and practice with scenario planning

Background: Adapting to interprofessional education and practice requires a change of perspective for many health professionals. We aimed to explore the potential of scenario planning to bridge the understanding gap and framing strategic planning for interprofessional education (IPE) and practice (IPP), as well as to implement innovative techniques and technology for large‑group scenario planning. Methods: A full‑day scenario planning workshop incorporating innovative methodology was designed and offered to participants. The 71 participants included academics from nine universities, as well as service providers, government, students and consumer organisations. The outcomes were evaluated by statistical and thematic analysis of a mixed method survey questionnaire. Results: The scenario planning method resulted in a positive response as a means of collaboratively exploring current knowledge and broadening entrenched attitudes. It was perceived to be an effective instrument for framing strategy for the implementation of IPE/IPP, with 81 percent of respondents to a post‑workshop survey indicating they would consider using scenario planning in their own organisations. Discussion: The scenario planning method can be used by tertiary academic institutions as a strategy in developing, implementing and embedding IPE, and for the enculturation of IPP in practice settings.Government of Western Australia, Department of Health

Optimal or antagonistic? muscle force solutions in the lower limb

Provides evidence of the appropriateness of different muscle force distribution protocols in a musculoskeletal model of the lower limb

Simulation and technology in legal education: a systematic review and future research programme

This chapter is a systematic review of the literature on simulations and technology in legal education. To date, there has been no reasonably comprehensive summary of the research on simulation and technology in legal education - this in spite of a growing body of evidence that games and simulations not only have positive effects on student learning, but that there are significant correlations between the use of educational technology and student engagement. The practice of systematic review generally is relatively rare in legal ecucation, in common law jurisdictions at least. Indeed systematic reviews as a whole, such as that of Mearns et al on the effectiveness of online and blended learning in the field of education and technology, are not widely available in law as a discipline; nor are they evenly distributed in law's sub-domains

Attributes of effective interprofessional placement facilitation

Background: The quality of facilitation is an important influence on the efficacy of interprofessional education (IPE) delivery. The research objective was to increase understanding of the attributes of effective facilitation of students during external IPE placements in primary care situations. Methods and Findings: A thematic analysis of the experiences of academics, students, and placement-site staff at three placement sites was employed to explore participants’ perceptions of the attributes of effective IPE facilitators. These attributes included experience in an interprofessional context, together with an understanding of the specific clinical and assessment requirements of different disciplines. Facilitators also needed empathy with respect to the requirements of the external IPE placement sites and the ability to liaise between student and site needs. Conclusions: Models of IPE placement facilitation were most effective when, while following general principles, facilitators tailored them specifically for the individual situations of the placement sites and the learning requirements of particular groups of students. The most rewarding IPE learning experiences occurred when IPE facilitators provided sufficient clinical opportunities for students to work collaboratively with individual clients, provided the students perceived that their participation was relevant to their own discipline.Australian office of Learning and Teachin

Cyberdam and SIMPLE: a study in divergent developments and convergent aims

It is a design truism that form affects function, and in education it is also generally accepted that functionality affects learning. In truth, all technology both constrains and liberates. In the thirteenth century, for example, the massive information overload represented by texts such as Justinian’s Digest and the proliferation of Church law required scholars and users to create the symbolic tools that would help them to cope with problems of understanding and memorizing the legal information overload (Maharg,2007). Those tools both enabled legal scholarship to flourish, but also constrained that scholarship by limiting the conditions under which it was produced, for whom, and how.It could be argued that the introduction of moveable type in the fifteenth-century had the same effect (Rhodes & Sawday, 2000)

Examining affective structure in chickens: valence, intensity, persistence and generalization measured using a conditioned place preference test

When measuring animals’ valenced behavioural responses to stimuli, the Conditioned Place Preference (CPP) test goes a step further than many approach-based and avoidance-based tests by establishing whether a learned preference for, or aversion to, the location in which the stimulus was encountered can be generated. We designed a novel, four-chambered CPP test to extend the capability of the usual CPP paradigm to provide information on four key features of animals’ affective responses: valence, scale, persistence and generalization. Using this test, we investigated the affective responses of domestic chickens (Gallus gallus domesticus) to four potentially aversive stimuli: 1. Puffs of air; 2. Sight of (robotic) snake; 3. Sprays of water; 4. Sound of conspecific alarm calls. We found conditioned avoidance of locations associated with the air puffs and water sprays (Friedman’s χ2(3) = 13.323 p > .005; χ2(3) = 14.235 p > .005), but not with the snake and alarm calls. The scale of the learned avoidance was similar for the air puff and water spray stimuli, but persistence and generalization differed. We conclude that the four chambered CPP test can have a valuable role to play in making multi-feature measurements of stimulus-generated affective responses, and we highlight the value of such measurements for improving our understanding of the structure of affect in chickens and other animals

The thermal simulation of an office building implementing a new behavioural algorithm for window opening and the use of ceiling fans

This investigation of the window opening data from extensive field surveys in UK office buildings investigates 1) how people control the indoor environment by opening windows, 2) the cooling potential of opening windows, and 3) the use of an “adaptive algorithm” for predicting window opening behaviour for thermal simulation in ESP-r. We found that the mean indoor and outdoor temperatures when the window was open were higher than when it was closed, but show that nonetheless there was a useful cooling effect from opening a window. The adaptive algorithm for window opening behaviour was then used in thermal simulation studies for some typical office designs. The thermal simulation results were in general agreement with the findings of the field surveys

A window opening algorithm and UK office temperature field results and thermal simulation

This investigation of the window opening data from extensive field surveys in UK office buildings investigates 1) how people control the indoor environment by opening windows, 2) the cooling potential of opening windows, and 3) the use of an “adaptive algorithm” for predicting window opening behaviour for thermal simulation in ESP-r. We found that the mean indoor and outdoor temperatures when the window was open were higher than when it was closed, but show that nonetheless there was a useful cooling effect from opening a window. The adaptive algorithm for window opening behaviour was then used in thermal simulation studies for some typical office designs. The thermal simulation results were in general agreement with the findings of the field surveys