Mapping Techniques for Load Balancing

Mapping Techniques for Load Balancing

For optimal performance and resource utilization, load balancer a routing technique is a crucial component of parallel computing. It aims to balance the workload among the system’s computers. Work, communication, and time must be managed well to achieve high performance in parallel computing. Methods may be combined or shifted to achieve this goal. The specific combination or adaptation of these methods depends on the situation. In this article, we will understand different Mapping Techniques for Load Balancing.

Static Mapping

By contrast, static mapping techniques for load balancing involve deciding how work will be distributed across machines at the outset of processing a parallel method and sticking with that decision throughout the computation. Workload and routine methods of communication are two issues that may benefit from this approach. Since tasks are distributed statically, static mapping offers convenience and dependability. But it may need help to adapt to new or unforeseen demands, which might lead to inefficient distribution of work and a drain on resources.

Dynamic Mapping

Dynamic mapping techniques for load balancing allows for the flexible distribution of tasks across many computers during the parallel execution of software. It analyses the present job and the regular communication between workers to divide jobs as efficiently as feasible. Dynamic mapping might be helpful when work requirements are uncertain or subject to frequent change. Load mismatches may be detected and corrected via dynamic mapping since the system is continually monitored. Overall efficiency and effectiveness are enhanced as a result.

Work Stealing

To distribute the burden more, work stealing is a dynamic mapping technique for load balancing in which idle processors steal workloads from active processors. When one CPU is at a loss for what to do next, it will solicit work from another CPU. Therefore, the idle CPU will receive part of the load usually handled by the active CPU. Work-stealing might be an effective solution when tasks are poorly divided or unexpectedly arise. This is achieved by enlisting the aid of seldom-used machines to assist more popular ones. In this way, existing means are used more effectively.

Space-Filling Curves

Space-filling curves and other mapping techniques for load balancing reduce a multidimensional problem space to a one-dimensional collection that may be distributed over numerous processors. Using this mapping, you may allot nearby parts of the problem domain to nearby processes, significantly reducing the time spent communicating. Space-filling curves help solve difficulties when regular grids or forms are utilised as guides. Furthermore, these forms maintain proximity while reducing the required amount of processor contact.

Load Balancing Heuristics

Heuristics for load balancing modify how much work each processor does depend on previous work and the typical communication between processors. These guidelines allow us to monitor the system’s performance and make informed choices about reorganizing our workload. Load-balancing methods become invaluable when dealing with dynamic tasks and shifting communication patterns. The benefits and drawbacks of load balancing are examined using historical data and data collected in real time. This allows them to optimize their decisions and maximize their available means.


Load balancer a routing technique is a crucial component of parallel computing since it ensures the workload is distributed uniformly across all machines. Tasks may be modified considering known or shifting data using static and dynamic mapping techniques for load balancing like work theft and space-filling curves. It’s common practice to refer to these methods as mapping techniques for load balancing. To optimize the distribution of tasks in real-time, heuristics for load balancing use mathematical or rule-based approaches. A load-balancing strategy considering job characteristics, communication overhead, scalability, timing, system monitoring, and adaptable approaches may enable high-performance parallel computing.

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Myself Bharath Choudhary, software developer at Oracle.
2021 NIT Warangal graduate.


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