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q explain about hybrid modelhybrid models are normally tailor-made models suiting to particular applications in fact these fall in category of mixed
describe data parallel modelin data parallel model most of parallel work concentrates on performing operations on a data set data set is
q describe message passing modelin message-passing model there be a set of tasks which employ their own local memories at the time of computation
q explain about threads model - programming modelin this model a single process can have many as well as concurrent execution paths the main program
q shared-memory programming modelin shared-memory programming model tasks share a common address space that they read and write asynchronously
a model for parallel programming is an abstraction in addition its machine architecture is independent a model is able to be implemented on different
performance instrumentation focuses on how to resourcefully collect information about computation of parallel computer method of instrumentation
q task information displays in search-based toolstask information displays principally give visualization of different locations in parallel program
q what is gantt chart and kiviat diagramgantt chartgantt chart explains numerous activities of every processor with respect to progress in time in
q what do you eman by processors hypercubethis is precise to in the hypercube every processor is portrayed by set of nodes of graph and different
q what do you mean by communication trafficcommunication traffic offers a pictorial view of communication traffic in interconnection network with
q what is visualisation - search based toolsvisualization is a common method in contract to search based tools in this scheme visual aids are
the search-based tools initially recognize problem and afterwards suitably give advice on how to correct it at expert from cray research is one of
q what is sun and nis lawthe sun and nis law is a simplification of amdahls law and gustafsons law the basic concept underlying sun and nis law is to
q analysis of amdahls lawthe conclusions of analysis of amdahls law are1 to optimize performance of parallel computers modified compilers should be
q executing a parallel algorithmmultiple processors need synchronization with one another when executing a parallel algorithm so task which is
q what is parallel balance pointin order to execute parallel algorithm on parallel computer k processors are necessary it should be noted that given
cost involved in inter-processor communicationbecause data is assigned to too many processors in a parallel computer whilst executing a parallel
q uneven load distribution in parallel computersin parallel computers the problem is split in sub-problems in addition is assigned for computation to
performance metrics arent able to attain a linear curve in comparison to increase in number of processors in parallel computer the main reason for
q what is multi-threaded unix kernelmulti-threaded unix kernel we know threads are light-weight processors demanding minimal state information
q explain about floating-executive modelfloating-executive model the master-slave kernel model is too restrictive in sense that only one of
q what is master slave kernelmaster slave kernel in this model just one of processors is assigned as master the master is in charge for subsequent
the unix operating system for a multiprocessor system has a number of extra features as compared to normal unix operating system lets first
q explain about asynchronous message passingin asynchronous message passing message transmitting and receiving arent synchronized in space and time