Explain CPU-Bound vs I/O-Bound Work
Quick Overview
This question evaluates understanding of CPU-bound versus I/O-bound workloads and their interaction with concurrency models such as multithreading, asynchronous I/O, and multiprocessing in Python, including the impact of the Global Interpreter Lock (GIL) and relevance to tasks like web crawling, parsing, and heavy computation.
Anthropic
Jan 6, 2026, 12:00 AM
Software Engineer
Technical Screen
Software Engineering Fundamentals
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Define CPU-bound and I/O-bound workloads. Then compare how multithreading, asynchronous I/O, and multiprocessing behave for each type of workload, especially in Python.
Include:
- How to recognize each workload in practice.
- Concrete examples.
- How the Python GIL affects the choice.
- Which model fits tasks such as web crawling, parsing, and heavy computation.
Solution
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