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Async IO and Multithreading explained

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Directi Group
Directi Group

Visit http://wiki.directi.com/x/KQBN to download Slides. This presentation covers Async IO, NIO, Blocking IO and Multithreading concepts

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Async IO, Non Blocking IO, Blocking IO and Multithreading By Bhavin Turakhia CEO, Directi [email_address]
Agenda ,[object Object],[object Object],[object Object],[object Object]
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Scenario 1 – Computational Task ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],GOD
[object Object],Rule 1 – We always want to keep the CPU Busy
Scenario 2 – Same Task – Multi-Process ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],GOD
[object Object],Rule 2 – We want to keep the CPU Busy doing important stuff. Switching between processes is not the best utilization of the CPUs time
[object Object],GOD
Scenario 2 - IO ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],GOD
[object Object]
[object Object]
Scenario 3 – Multiple Processes ,[object Object],[object Object],[object Object],[object Object],GOD
[object Object],Rule 3 – If a process is waiting for IO, the CPU can switch its attention to another Process (context switching)
[object Object]
Scenario 4 – Multi-threading ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],GOD
[object Object],Rule 4 – The CPU can switch between threads, faster than switching between processes
Threads vs Processes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Scenario 5 – Async Blocking IO ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],GOD
Scenario 5 – Async Blocking IO ,[object Object],[object Object],[object Object],[object Object]
Scenario 6 – Async Non-Blocking IO ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],GOD
Scenario 5 – Async Blocking IO ,[object Object]
Advantages of Async Non-blocking IO ,[object Object]
Is there a scenario where I would want multiple threads even if I use Async I/O ??
Scenario 6 – More than 1 GOD ,[object Object],[object Object],[object Object],[object Object],GOD GOD
Software you need to be aware of ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Async IO Success Stories ,[object Object],[object Object]
About Directi ,[object Object],[object Object],[object Object],[object Object],(Revenue Growth Chart) (Employee Growth Chart)
Facts about Products@Directi ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
http://www.directi.com | http://careers.directi.com Join us in building a billion dollar Enterprise

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Async IO and Multithreading explained

  • 1. Async IO, Non Blocking IO, Blocking IO and Multithreading By Bhavin Turakhia CEO, Directi [email_address]
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  • 23. Is there a scenario where I would want multiple threads even if I use Async I/O ??
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