A thread is the basic unit of CPU utilization

A traditional process has a …thread of control

A single-threaded process can perform

A multi-threaded process can perform multiple tasks at a time

A thread comprises a thread ID, a PC, a register set, and a stack

Process threads share

Thread creation has less overhead than process creation

Threads can run in parallel on a multiprocessor machine

Threads share the resources of the process

A blocked thread doesn’t block the process

Examine data to find dependencies between tasks

Divide data between tasks that run on separate cores

divide program into tasks that can run in parallel

Ensure that these tasks perform equal work of equal value

Testing a program with many execution paths

Distribution of tasks across multiple cores

Distribution of data across multiple cores

Threads

threads made by Operating System are called

threads made At the user level are called

User threads are managed with OS support