theBeamBook
ebook-1
| theBeamBook | ebook-1 | |
|---|---|---|
| 7 | 1 | |
| 3,044 | 3,512 | |
| - | - | |
| 5.8 | 10.0 | |
| about 1 month ago | over 8 years ago | |
| Erlang | ||
| Creative Commons Attribution 4.0 | - |
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theBeamBook
- Ask HN: Programming Courses for Experienced Coders?
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Erlang/OTP: Garbage Collector
It's my understanding the state of the art in observing JVM-based applications is a combination of using thread dumps, gc logs, thread activity visualizations. Thread dumps give us a snapshot of the the name of the thread, its current running state (waiting, blocked, etc), and the stacktrace of the work its currently doing. GC logs give you a record of when and how much garbage was collected and Thread activity visualizations show you the timeline of thread moving between different running states.
The BEAM gives you the ability to see the bottlenecks in your system, via the REPL (in real time!)
It has world-class introspection built in that gives you the power to observe and manipulate your running application through a REPL.
The BEAM has hundreds of features like this, because the BEAM is more of an OS than and VM.
I get it, you're a JVM expert, but the BEAM is more than a check list of optimizations that on paper the JVM can do.
I strongly suggest, before the next time you comment on an BEAM VM vs.JVM debate, please consider watching https://www.youtube.com/watch?v=JvBT4XBdoUE, "The Soul of Erlang and Elixir • Sasa Juric • GOTO 2019"
and reading https://github.com/happi/theBeamBook " an attempt to document the internals of the Erlang runtime system and the Erlang virtual machine known as the BEAM."
Best of luck!
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Lunatic is an Erlang-inspired runtime for WebAssembly
it does. values are immutable in the BEAM, not at language level.
The impact of bugs is minimized by compartmentalization. This is done from the lowest level where each data structure is separate and immutable [1]
But you can simulate mutability with stateful processes.
Directly from Joe Armstrong: https://joearms.github.io/published/2013-11-21-My-favorite-e...
[1] https://github.com/happi/theBeamBook/blob/3971e8e2d09e367670...
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Log 2022-10-19
theBeamBook repo
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Will project loom make java concurrency comparable to erlang's?
On a side-note, if you're really interested in grokking the BEAM itself, https://github.com/happi/theBeamBook is a very good resource that delves deeper into the internal working of BEAM. Regardless of whether you use it, it's a fun read!
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How are processes scheduled
Check the https://github.com/happi/theBeamBook/blob/master/chapters/scheduling.asciidoc
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What is your opinion on Ada? Have you used it for embedded development? When did you use it?
Did you find this? As far as I know, it is the best resource: https://github.com/happi/theBeamBook
ebook-1
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Ask HN: Programming Courses for Experienced Coders?
Hello, recently I've enjoyed Casey Muratori's Performance-Aware Programming course[0]. You could read Algorithms for Modern Hardware[1] to learn similar set of stuff though. Casey's course is aimed at bringing beginners all the way to a nearly-industry-leading understanding of performance issues while the book assumes a bit more knowledge, but I think a lot of people have trouble getting into this stuff using a book if they don't have related experience.
I've also found Hacker's Delight Second Edition[2] to be a useful reference, and I really wish that I would get around to reading What Every Programmer Should Know About Memory[3] in full, because I end up reading a bunch of other things[4] to learn stuff that's surely in there.
[0]: https://www.computerenhance.com/p/welcome-to-the-performance...
[1]: https://en.algorithmica.org/hpc/
[2]: https://github.com/lancetw/ebook-1/blob/80eccb7f59bf102586ba...
[3]: https://people.freebsd.org/~lstewart/articles/cpumemory.pdf
[4]: https://danluu.com/3c-conflict/
What are some alternatives?
chat - A telnet chat server
Exercism - Scala Exercises - Crowd-sourced code mentorship. Practice having thoughtful conversations about code.
amh-code - Complete implementations from "Algorithms for Modern Hardware"