Parralel Processing
Multiple Processor Organizations
Types of Parallel Processor Systems
Processor Organization By flyyn
Single instruction, single data (SISD) stream
Uniprocessor
Single instruction, multiple data (SIMD) stream
Array Processor
Vector Processor
Multiple instruction, single data (MSID) stream
Multiple instruction, multiple data (MIMD) stream
Shared memory
Distributed memory
Symmetric Multiprocessor
Nonuniform Memory Access
Parallel Organizations
SISD
SIMD
MISD
MIMD
Symmetric Multiprocessor
SMP charactheristic
Advantages
Multiprocessor Operating system design Considerations
scalling
Performance
Availability
Incremental
A mainframe SMP
Multithreading
Implicit multithreading
Explicit Multithreading
OS Issues
Schedulling
Synchronization
Memory management