Multiprocessors MP&MC

1. Multiprocessors
Microcontrollers and Microprocessors

2. Multiprocessors
Multiprocessor Systems in Microcontrollers:
 Microcontrollers are compact computing devices designed for
embedded applications, where power efficiency and cost-
effectiveness are crucial.
 While they typically have a single core CPU, some advanced
microcontrollers incorporate multiprocessor systems for specific
tasks or to improve performance in certain applications.

3. • Real-time Processing:
 In applications like robotics or industrial
automation, microcontrollers may use multiple
cores to handle real-time tasks while offloading
non-time-critical tasks to another core.
 This approach ensures that critical operations
are not delayed by less urgent ones.

4.  Distributed Control:
 In some cases, a microcontroller may need to
control multiple subsystems or peripherals
concurrently.
 Multiprocessor configurations allow each
core to manage a separate subsystem,
improving system responsiveness.

5.  Energy Efficiency:
 Microcontrollers often operate on battery
power or in energy-constrained
environments.
 By using multiple cores, they can distribute
processing load efficiently, minimizing the
time each core is active and thereby saving
power.

6. • Multiprocessor Systems in Microprocessors:
 Microprocessors are more powerful and
versatile computing units found in personal
computers, servers, and higher-end
embedded systems.
 They often incorporate multiple cores as a
standard feature.

7. • Multithreading:
 Multithreading is a common use of
multiprocessors in microprocessors.
 Each core can handle multiple threads
simultaneously, improving multitasking and
overall system performance.

8. • Parallel Processing:
 Microprocessors can execute tasks in
parallel by dividing them among multiple
cores.
 This is especially useful for computationally
intensive applications like video rendering,
scientific simulations, and data analysis.

9. • Server Applications:
 In servers, which need to handle numerous
concurrent requests, multiprocessors are
essential.
 Multiple cores allow the server to handle
multiple users or tasks simultaneously,
enhancing throughput and responsiveness.

10. • Virtualization:
 Multiprocessors are crucial for virtualization
in servers.
 Each virtual machine can be assigned to a
different core, ensuring isolation and
performance for each virtualized
environment.

11. • Load Balancing:
 Microprocessors can dynamically allocate
tasks to available cores based on workload.
 This load balancing ensures that no core is
overwhelmed while others remain
underutilized, optimizing overall system
performance.