.NET 4.5 - Multicore JIT
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Multicore JIT is a .NET 4.5 compiler technology that uses parallelization to reduce the JIT compilation time during application startup.
Multicore JIT team says:
"With Multicore JIT, methods are compiled on two cores in parallel. The more code you execute on your startup path, the more effective Multicore JIT will be at reducing startup time. Improvements of 20%-50% are very typical, which is great news to anyone developing medium to large .NET Framework applications that are not able to take advantage of NGen. You can improve the startup time of your application by up to 50% with very little work, even if it runs off of a USB stick."
Who better to explain this than .NET Performance Architect Vance Morrison and Multicore JIT program manager Dan Taylor? They are joined by software engineer Rick Brewster from the Windows team to discuss how this technology works and why it matters. Rick works on a large .NET Windows desktop application and Multicore JIT has clearly sped up his app's startup time. We'll get the inside scoop from both those who designed the technology and those who use it in production.
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