Atomic javascript
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Atomics in javascript might sound like a joke, but hi, we said the same thing about atomics with Donald Trump... anyways quite silently in 2017, JS got it access to Atomics API and shareable data structure, on this talk will explore Atomics API and what can we do with it. Video: https://youtu.be/eF4RNebWioU
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Atomic javascript
- 2. Barak Drechsler Software Engineer at Oath Israel Enthusiast about the web since sixth grade Proud citizen of the Israeli JS community @BarakDrechsler
- 6. Parallelism A B C D
- 8. Message Queue Call Stack Click Here
- 9. Message Queue Call Stack Click Here Click Callback Click Callback FUNC A FUNC B Click Callback Click Callback Run To Completion
- 10. W W
- 11. Adding a web worker
- 12. Call Stack Click HereClick CB FUNC A FUNC B Call Stack message Call Stack message Click CB FUNC B Main Thread Worker 1 Worker 2 Func B Func B
- 14. Sharing Data?
- 18. Accessing the shared memory
- 19. Dangers of multithreaded programming ● Deadlocks ● Unpredictable order of read write operations ● Data fragmentation
- 20. Deadlock due to compiler optimizations Compiler might optimize to:
- 21. What can we do?
- 23. Atomics API - Read a value, thread safe
- 24. Atomics API - Write a value, thread safe
- 25. Solving the lock... Might lock...
- 27. Solving the lock… Even better!
- 28. And the awakening side...
- 29. Atomics API - More tricks
- 30. Transform strings to Int32 Arrays And Back...
- 31. Live Example