Concurrency in Python

Question 1

What are the libraries for concurrency in Python?

Answer 1

Threading, processing and asyncio

Question 2

Is asyncio for threading or multiprocessing?

Answer 2

Threading

Question 3

How can workloads be bound?

Answer 3

IO-bound, CPU-bound

Question 4

What is a IO-bound workload?

Answer 4

A workload which spends most time on R/W to memory.

Question 5

What is a CPU-bound workload?

Answer 5

A workload which spends most time on compute.

Question 6

What are the different parts of a computer?

Answer 6

CPU, memory, storage, peripherals

Question 7

What is latency?

Answer 7

It’s the difference between the time to execute different workloads. For example between executing an instruction and referencing memory.

Question 8

What is time-slicing?

Answer 8

Fitting programs in the latency of other programs.

Question 9

What’s the difference between cooperative and Pre-emptive multi-tasking?

Answer 9

In Cooperative Multitasking, the program willingly gives up CPU and goes into a wait state. In Pre-Emptive Multitasking, it is the OS which re-assigns CPU between programs?

Question 10

Which one is more robust between Cooperative and Pre-Emptive Multitasking?

Answer 10

Pre-Emptive, because in Cooperative, a stuck program can freeze or keep CPU.