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  • 1.
    Estlind, Björn
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Information and Communication systems.
    Order Engine: Prestandajämförelse mellan paradigmen MTEDA och COOA2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The purpose of this project has been about comparing what performance-differences there is between the paradigms MTEDA and COOA when applied for an “Order Engine”-system, a system that receives orders (tasks) from internal and external units and executes them asynchronously. The company Dewire that has developed the COOA-system has supervised the author to find out if an OE-system can benefit from using the MTEDA-paradigm. The solution for the MTEDA-system included a structure where a master-process delegate incoming orders for slave-processes, the slave-processes then executes the orders through an event-driven manner. The COOA-system on the other hand uses a thread-pool, where the orders get assigned to the threads in the pool if they are available. It turned out that the MTEDA- system executed the orders faster than the COOA-system, even though the MTEDA-system can gain- or loose execution-speed depending on the conditions of the orders. The way MTEDA delegates the orders, that is spawning and destroying processes, turned out to be more expensive for the CPU. Assigning orders to threads that are already active turned out to be an efficient way of using the resources. Both of these paradigms could be the better choice when developing an OE-system. Therefore, the things that should decide that choice is the resources available and the general conditions that the incoming orders have.

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