[PDF] Top 20 Run-time Control to Increase Task Parallelism in Mixed-Critical Systems

... per task during task ...execution time observed during execution of the system on maximum load ...algorithms in [8], [19] describe a generalization of the preemptive uniprocessor algorithm EDF ... Voir le document complet

... execution. To ensure these guaran- tees, real-time task scheduling techniques should use a safe estimation of the Worst-Case Execution Time (WCET) ...many/multi-core systems have a ... Voir le document complet

... pressure to use off-the-shelf components or standard IPs, lead to the use of standard microarchitectures in a large range of application ...designed to achieve the best average performance as ... Voir le document complet

... proposed in a earlier work an approach where a critical task can be run in parallel with less critical tasks, as long as the real-time constraints are ...proposed ... Voir le document complet

... control problem for TGA (Maler et al., 1995). If we think in terms of control it may not be very realistic to be allowed to forbid uncontrollable transitions using the values of their ... Voir le document complet

... compared to Lammps. In addition, with the Vec optimization, these differences increase respectively from ...2.8 to 4.7 and 1.5 to 2. As described in the previous benchmark, these ... Voir le document complet

... tend to be employed more and more in safety-critical railway ...use in an advanced train control system (TCS) is an issue that is addressed in this paper by characterizing the ... Voir le document complet

... and control loops (image processing, motion control, ...back to the ...have to be ran at precise rate and interval without any lag) will have a higher temporal requirement than a motion ... Voir le document complet

... of time property patterns. The usual methods for verifying time properties in TPN rely mostly on LTL (Linear Time Logic), CTL (Computation Tree Logic) and ...accustomed to their ... Voir le document complet

... allows to improve the construction process through data centralisation and computational power for ...simulations. Mixed reality can also help by im- proving task performance; nonetheless, a MR tool ... Voir le document complet

... execution time as the sum of the individual times of basic blocks (nodes) weighted by their execution ...maximized to find the required WCETs, with a number of constraints that reflect flow facts, ... Voir le document complet

... this critical ratio for the qualitative analysis of the original system is illustrated by the numerical simulations displayed in Figures 2 to ...system to go from this point Ipτ d q back ... Voir le document complet

... Affine control problems arise naturally from controlled mechanical ...flow in terms of regular-singular transition and prove that, as in the nilpotent approximation, the singularity of time ... Voir le document complet

... However, to the best of our knowledge, no solution has been proposed to reduce the energy consumption of MC ...For systems with only one level of criticality, several algorithms have been published ... Voir le document complet

... optimal time interval selection criterion for the long-run correlation block estimator (Bartlett kernel estimator) based on the Newey– West and Andrews–Monahan ...alternative to the customary ... Voir le document complet

... probabilistic mixed criticality model where every task is of a certain criticality and the worst-case execu- tion time (WCET) of a task is a discrete random ...every task are grouped ... Voir le document complet

... value to avoid excessive contention which may prevent the program from ...high parallelism pro- filing time to the applications which require a high parallelism, this is especially true ... Voir le document complet

... constructs to avoid the programming errors frequent when expressing ...Since task parallelism is considered more error-prone than data parallelism, we survey six popular and efficient parallel ... Voir le document complet

... out in Matlab, the authors consider 4, 8, 12 and 16 ...the time and there are 200, 300 or 500 iterations depending on the size of task set varying 10 to ...100. In fact, the population ... Voir le document complet

... result in Theorem 4 improves on an earlier result presented in [8], which had shown a speedup factor of ( √ 5 + 1)/2 ≈ ...tests in that any task system deemed schedulable by these earlier ... Voir le document complet