7 - Threads

Question 1

What is a thread pool?

Answer 1

Program creates and maintains a pool of worker threads

Question 2

What is Task Starvation?

Answer 2

The task in the task queue is never serviced

Question 3

What is a Task Queue?

Answer 3

A ‘task’ is inserted into a task
queue
Available threads in the thread pool take tasks from the task queue, and finish them.

Question 4

What are Scheduler Activations?

Answer 4

A mechanism to allow closer integration between user-level threads and the kernel.
Kernel notifies the application when ‘interesting’ events occur.
Notification is called an upcall
Application can then react by rescheduling its threads

Question 5

What does HPC stand for?

Answer 5

High Performance Computing