Beyond Async and Await


AsyncWS - Version:1
Description
This is a 2-days workshop focusing on async and await theory and practice. You will gain deep understanding of async methods, how to use them right, best practices, and useful patterns. Although they seem easy on the surface, async methods and the await keyword are full of tricks and pitfalls that you need to remember in order to write efficient asynchronous code. This day is designed for developers currently using async and await for their systems, and also for developers who have experience with asynchronous programming using the TPL or other threading libraries.
Intended audience
Experienced .NET Developers, Team Leader and Architects
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  • Intro
    • Amdahl’s Law
  • Thread vs ThreadPool
  • Task in deep (from different angle)
    • Task as data structure
    • Semantical Task
  • Thread Pool and Task
  • Demystify async and await
    • async syntax
    • What does it do? (and don’t)
  • Chaining await
  • Simultaneous await
  • When All (fork join pattern)
  • void async?
  • Async Download
  • Implicit Parallelism (pitfall)
  • Await loop
    • Sequential
    • Await LINQ Pattern
    • TPL Dataflow Patterns
  • Task.Run vs Task.Factory.StartNew
  • Error Handling
    • Catching aggregate exceptions
    • Read-able exceptions
    • Debugger tricks
  • Cancellation
    • Timeouts
    • Other Cancellation APIs
    • Lazy Cancellation
  • Useful Extensions
    • Deadlock detection
    • Cancellation (safe)
  • IO Completion Port
  • TAP: Task-based Asynchronous Pattern
    • TAP with WCF
    • TAP with Web API
  • ConfigureAwait
    • Dead-locks (ASP.NET, WPF)
    • Parallel-forking
    • Scheduler
  • Static Code Analyzers
  • API Design
    • Initialization pitfall
    • Initialization Pattern
    • API Design
    • Common Service Mistakes
    • Open Files Mistakes
  • Async Call Context
  • Async Critical Section
  • TPL Dataflow
    • Play with Fork Join (Transform Block)
    • Batch Block (non-greedy)
  • Behind async await
    • Awaitable
  • C# 8 new async features
  • Summary
  • Exercise
  • Appendix
    • Complex Async Routing
    • Design API (delegates)
  • Developers / Team Leaders who have some experience with asynchronous programming using TPL.
  • Getting familiar with advance async design pattern and be aware of the pitfall.
  • Enable developers and team leader getting more from async programming.