What is Multicore Programming?

Multicore programming helps to create concurrent systems for deployment on multicore processor and multiprocessor systems. A multicore processor system is basically a single processor with multiple execution cores in one chip. It has multiple processors on the motherboard or chip. A Field-Programmable Gate Array (FPGA) is might be included in a multiprocessor system. A FPGA is an integrated circuit containing an array of programmable logic blocks and a hierarchy of reconfigurable interconnects. Input data is processed by to produce outputs. It can be a processor in a multicore or multiprocessor system, or a FPGA.

The multicore programming approach has following advantages −

  • Multicore and FPGA processing helps to increase the performance of an embedded system.

  • Also helps to achieve scalability, so the system can take advantage of increasing numbers of cores and FPGA processing power over time.

Concurrent systems that we create using multicore programming have multiple tasks executing in parallel. This is known as concurrent execution. When multiple parallel tasks are executed by a processor, it is known as multitasking. A CPU scheduler, handles the tasks that execute in parallel. The CPU implements tasks using operating system threads. So that tasks can execute independently but have some data transfer between them, such as data transfer between a data acquisition module and controller for the system. Data transfer occurs when there is a data dependency.