1. Parallel Programming with OmniThreadLibrary
Primož Gabrijelčič

2. programmer, consultant, speaker, trainer Delphi / Smart Mobile Studio
Primož Gabrijelčič
programmer, consultant, speaker, trainer
Delphi / Smart Mobile Studio
Skype: gabr42
The Delphi Geek –
Smart Programmer –
Links to this presentation and sample code will be available on the blog, link “Presentation” on the top right

4. What is OmniThreadLibrary?

5. OmniThreadLibrary is …
… VCL for multithreading
… released under an open license
… actively developed
… frequently used
… available in Delphis from 2007 to XE3
Windows 32- or 64-bit, VCL only

6. How do I learn more?

7. OmniThreadLibrary on the web
Home: otl.17slon.com
Code: omnithreadlibrary.googlecode.com
Book: leanpub.com/omnithreadlibrary
Wiki: otl.17slon.com/book
Support: otl.17slon.com/forum

8. How do I execute long operation in background and run some code in the main thread after the long operation has finished?

9. Async/Await
Initialization
Long operation
Cleanup

10. How do I run long calculation in background and process the result in the main thread?

11. Future
Long calculation
Use result

12. How do I run same background operation in multiple simultaneous copies processing an input?

13. Background Worker
Data
Process
Process
Process
Process
Process
Result

14. How do I parallelize a process that executes in multiple stages?

15. Pipeline
Data
Stage 1
Stage 2
Stage 3
Stage 4
Result

16. How do I work with databases in multithreaded environment?

17. Databases GUI Frame Frame Database Access
Readonly is simple; read/write is harder (apply updated)
Redone fishfacts demo
Database Access

18. Questions?