threading   5365

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The volatile keyword in Java
How and when to use volatile variables in Java, comparison with 'synchronized', and what volatile means in different versions of Java.
java  synchronize  volatile  threading 
16 days ago by aexel
Why you can have millions of Goroutines but only thousands of Java Threads
Golang prevents large (mostly unused) stacks running the system out of memory with a clever trick: Go’s stacks are dynamically sized, growing and shrinking with the amount of data stored. This isn’t a trivial thing to do, and the design has gone through a couple of iterations.4 While I’m not going to get into the internal details here (they’re more than enough for their own posts and others have written about it at length), the upshot is that a new goroutine will have a stack of only about 4KB. With 4KB per stack, you can put 2.5 million goroutines in a gigabyte of RAM – a huge improvement over Java’s 1MB per thread.
go  golang  programming  java  memory  threading 
5 weeks ago by danesparza
Idle Until Urgent — Philip Walton
A technique in JavaScript within the browser for speeding up app launch: create wrappers of slow-to-initialize objects which attempt to load during idle time, but instead load on the main thread if they are accessed.
threading  javascript  webdevelopment  concurrentprogramming  via:HackerNews 
8 weeks ago by mcherm

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