Diving into Operating Systems: Virtualization, Concurrency, and Persistence

01/11/25 • 21 min

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Join us to discuss about the book "Operating Systems: Three Easy Pieces" which teaches operating system concepts through a dialogue format between a professor and student. The excerpts cover various topics, including CPU and memory virtualization, concurrency, persistence (file systems and devices), scheduling algorithms (like MLFQ, lottery, and CFS), process management, memory management (paging, segmentation, allocation), and distributed systems. The book uses a combination of explanation, code examples, and figures to illustrate concepts, and includes homework assignments and references to seminal operating systems papers. It emphasizes the importance of understanding the underlying mechanisms of operating systems and the trade-offs involved in designing them.

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Thinking Like a Computer Scientist: A Python Programming Journey

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This episode explores how to approach problem-solving through computer programming using Python. We'll learn about the core concepts in "Think Python," including variables, expressions, functions, and control structures, and how these elements work together to create effective programs. We'll focus on developing a "computer science" mindset, and using concepts like incremental development and debugging to tackle complex problems. We will also discuss data structures like lists and dictionaries, object-oriented programming, and file handling to write practical programs, with examples drawn from the textbook.

Think Python 2nd edition: book

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Machine Learning Mastery: Strategies for Success with Andrew Ng

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Are you working on a machine learning project and feeling overwhelmed? This episode dives into the practical strategies outlined in Andrew Ng's "Machine Learning Yearning", offering a roadmap for building and improving your AI systems. Learn how to avoid common pitfalls and make rapid progress by understanding key concepts like:

Setting up effective development and test sets: Discover how to choose data that reflects your future needs, and why your dev and test sets should come from the same distribution. Avoid the pitfall of using training data that does not match what you want to perform well on.
The importance of a single-number evaluation metric: Understand how to establish a clear, measurable goal for your team, and how to combine multiple metrics into one. Learn the difference between optimizing and satisficing metrics.
The power of iterative development: Learn to quickly build a basic system and then use error analysis to identify the most promising directions for improvement.
Error analysis techniques: Explore how to manually examine misclassified examples to identify error categories and prioritize your work. You will also learn how to evaluate multiple ideas in parallel. Discover the importance of cleaning up mislabeled data.
Understanding bias and variance: Learn to diagnose and address the two main sources of error in machine learning models. Explore how to interpret learning curves and compare your algorithm to human-level performance.
The critical role of human-level performance: Discover how comparing your system to human-level performance can help you estimate optimal error rates and set achievable goals.
Tackling data mismatch: Learn strategies for addressing situations where your training and dev/test sets come from different distributions, including how to create artificial data.
Debugging inference algorithms: Use the Optimization Verification test to pinpoint problems in your scoring function or search algorithm.
End-to-end learning: Understand the pros and cons of end-to-end learning, and how to decide when to use it.
Pipeline design: Learn how to choose appropriate components for your pipeline, balancing data availability with task complexity. Understand how to analyze your pipeline by parts to focus on specific improvements.

This episode will equip you with actionable strategies to make your machine learning projects more efficient and effective, helping you become a "superhero" in your field.