renjin
JDK
renjin | JDK | |
---|---|---|
5 | 193 | |
506 | 18,442 | |
0.0% | 1.4% | |
0.0 | 10.0 | |
7 months ago | 3 days ago | |
R | Java | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
renjin
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Ask HN: Why are there no traditional language compilers that target the JVM?
There is the GraalVM Python Runtime, Renjin GCC-Bridge (for C, C++, R)...
I feel like all of this kind of exists but it's quite esoteric "non-standard stuff" and not necessarily something sane people want in production.
https://github.com/bedatadriven/renjin/tree/master/tools/gcc...
https://www.graalvm.org/python/
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OpenJDK Proposes Project Galahad to Merge GraalVM Native Compilation
It'll help build cross-platform desktop applications. In theory, it'll mean hooking the build process up to a GitHub action to build platform-specific binaries, such as my FOSS KeenWrite Markdown editor[0], without having to have a copy of every operating system.
To my knowledge, cross-compiling "native" Linux and Windows binaries using Java requires duct tape, chewing gum, and warp-packer.[1]
GraalVM isn't a panacea, though.[2] For example, GraalVM cannot compile Renjin, a pure Java R interpreter, so you have to switch from Renjin to FastR. Switching isn't trivial.
[0]: https://github.com/DaveJarvis/keenwrite
[1]: https://dave.autonoma.ca/blog/2020/06/29/write-once-build-an...
[2]: https://github.com/bedatadriven/renjin/issues/564
- Ask HN: Any alternative to Java (OOP) which has the same ecosystem?
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How this sub treats Java ...
I just wanted to mention that C compilers exist for the JVM.
- Why it is that C++ can be compiled to JavaScript bytecode that is WebAssembly (using Emscripten), but it cannot be compiled to Java bytecode?
JDK
- Intel submitted OpenJDK PRs for supporting new 64 bit general purpose registers
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Show HN: I Built a Java IDE for iPad
I felt out of the loop, thinking that Zero VM was some kind of new distro for OpenJDK but chasing <https://packages.debian.org/sid/openjdk-22-jre-zero#:~:text=...> to <https://sources.debian.org/src/openjdk-11/11.0.23%2B9-1/debi...> lead me to https://github.com/openjdk/jdk/tree/jdk-22-ga/src/hotspot/cp...
It seems that it's a specific CPU target for the Hotspot JIT for non-mainstream architectures (or for research purposes, as I saw mentioned once)
- JEP draft: Exception handling in switch
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Java 23: The New Features Are Officially Announced
Completely gutted from the OpenJDK, last I checked. See here for the culprit PR: https://github.com/openjdk/jdk/pull/18688
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macOS 14.4 might break Java on your machine
> Yes, they're changing one aspect of signal handler use to work around this problem. They're not stopping the use of signal handlers in general. Hotspot continues to use signals for efficiency in general. See https://github.com/openjdk/jdk/blob/9059727df135dc90311bd476...
This whole thread is about SIGSEGV, and specifically their SIGSEGV handling. However, catching normal signals is not about efficiency.
Some of their exception handling is still odd: There is no reason for a program that receives SIGILL to ever attempt continuing. But others is fine, like catching SIGFPE to just forward an exception to the calling code.
(Sure, you could construct an argument to say that this is for efficiency if you considered the alternative to be implementing floating point in software so that all exceptions exist in user-space, but hardware floating point is the norm and such alternative would be wholly unreasonable.)
> The wonderful thing about choosing not to care about facts is having whatever opinions you want.
I appreciate the irony of you making such statement, proudly thinking that your opinion equals fact, and therefore any other opinion is not.
This discussion is nothing but subjective opinion vs. subjective opinion. Facts are (hopefully, as I can only speak for myself) inputs to both our opinions, but no opinion about "good" or "bad", "nasty" or not can ever be objective. Objective code quality does not exist.
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The Return of the Frame Pointers
I remember talking to Brendan about the PreserveFramePointer patch during my first months at Netflix in 2015. As of JDK 21, unfortunately it is no longer a general purpose solution for the JVM, because it prevents a fast path being taken for stack thawing for virtual threads: https://github.com/openjdk/jdk/blob/d32ce65781c1d7815a69ceac...
- JDK-8180450: secondary_super_cache does not scale well
- The One Billion Row Challenge
- AVX2 intrinsics for Arrays.sort methods (int, float arrays)
- A gentle introduction to two's complement
What are some alternatives?
sjPlot - sjPlot - Data Visualization for Statistics in Social Science
Graal - GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
llr - Lisp-like-R: A clojure inspired lisp that compiles to R in R
aircraft - The A32NX & A380X Project are community driven open source projects to create free Airbus aircraft in Microsoft Flight Simulator that are as close to reality as possible.
lljvm - Low Level Java Virtual Machine
steam-runtime - A runtime environment for Steam applications
AECforWebAssembly - A port of ArithmeticExpressionCompiler from x86 to WebAssembly, so that the programs written in the language can run in a browser. The compiler has been rewritten from JavaScript into C++.
OkHttp - Square’s meticulous HTTP client for the JVM, Android, and GraalVM.
ZIO - ZIO — A type-safe, composable library for async and concurrent programming in Scala
kitten - A statically typed concatenative systems programming language.
tracer - Graal based x86 interpreter with separate execution trace analyzer
intellij-community - IntelliJ IDEA Community Edition & IntelliJ Platform