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UNB/Year 5/Semester 2/CS4745/Lecture Notes.md
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@ -38,4 +38,13 @@ Multicore systems, ones which have the ability to compute multiple tasks at the
Manycore systems, ones which are often a large number of cores tasked with the same problem, in a shared memory environment are often throughput oriented, with the amount computation being higher amortized over a period of time, or focusing on longer running tasks/computation.
### Distributed Memory
The tasks are not within the same memory space, and do not share memory addresses, and there is no need for communication between nodes
The tasks are not within the same memory space, and do not share memory addresses, and there is no need for communication between nodes
## SIMD
TODO: Go and insert tables/data from slides
## Threads and Processes
Threads are fundamental units of execution, with their own program counter, and implemented in most operating system, are schedulable entities.
Processes are instances of a running program. Each process has its own memory space and cannot share memory between processes.
Starting threads are a bit simpler, as assigning a process needs to be registered with the OS as its own PID, as well as creation of virtual memory space by the OS.