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All LessonsFree Lessons (8)

The Basics

Introduction Program vs Process vs Thread Concurrency vs Parallelism Cooperative Multitasking vs Preemptive Multitasking Synchronous vs Asynchronous I/O Bound vs CPU Bound Throughput vs Latency Critical Sections & Race Conditions Deadlocks, Liveness & Reentrant Locks Mutex vs Semaphore Mutex vs Monitor Hoare vs Mesa Monitors Semaphore vs Monitor Amdahl's Law Moore’s Law

API Overview

Creating Threads

Sleeping and Terminating Threads

Exception Handling in Threads

Thread Variables

Condition Variables

Global Interpreter Lock

Brief Intro to Asynchronous Programming

Interview Practice Problems

Implementing Semaphore Blocking Queue | Bounded Buffer | Consumer Producer ... continued ... continued Rate Limiting Using Token Bucket Filter Thread Safe Deferred Callback ReadWrite Lock Unisex Bathroom Problem Implementing a Barrier Uber Ride Problem Dining Philosophers Barber Shop Asynchronous to Synchronous Problem Multithreaded Merge Sort Thread-safe Singleton

Bonus Questions

Ordered Printing Printing Number Series (Zero, Even, Odd)Printing FooBar n Times Build a Molecule Fizz Buzz Problem

Epilogue

Acknowledgements

Practice Mock Interview

Ruby Concurrency for Senior Engineering Interviews/

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This lesson continues the discussion on working with Fibers in Ruby.

We'll cover the following...

Yielding from Fibers

In the previous lesson, we used fibers much like function calls but the true potential of fibers is truly unleashed, when used with Fiber.yield. Don't confuse Fiber.yield with yield, the latter is used to execute arbitrary blocks of code. The Fiber.yield serves two purposes:

Returns control back to the invoker of the resume() method on the fiber.
Return a value to the invoker. ...