jvm-binary
JDK
| jvm-binary | JDK | |
|---|---|---|
| - | 206 | |
| 3 | 21,592 | |
| - | 0.7% | |
| 5.6 | 10.0 | |
| 7 months ago | 4 days ago | |
| Haskell | Java | |
| MIT License | GNU General Public License v3.0 only |
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jvm-binary
We haven't tracked posts mentioning jvm-binary yet.
Tracking mentions began in Dec 2020.
JDK
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The curious case of shell commands, or how "this bug is required by POSIX"
Java has a bunch of code which looks like it's trying to do the right kind of escaping for msvcrt vs cmd.exe:
https://github.com/openjdk/jdk/blob/jdk-26%2B1/src/java.base...
But i would be lying if i said i understood what was going on there. Some googling suggests this was added around 1.7, ie in the early 2010s.
But then, that Rust CVE seems to originate in this work, and this guy claims Java said "won't fix", which suggests it is vulnerable:
https://flatt.tech/research/posts/batbadbut-you-cant-securel...
But there's no link, and i can't find any discussion about it, so i don't know what the actual situation is.
- Strings Just Got Faster
- To `Gather` or not to `Gather`? That is the question.
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TinyCompiler: A Compiler in a Week-End
> if javac involves IR, SSA based analysis and transformation (which I assume it does)
https://github.com/openjdk/jdk/blob/master/src/jdk.compiler/...
I am fairly certain that it does not. I wrote a compiler for a simple programming language that compiled down to JVM for a project in the early 2010s. Its output was as fast as the Java one because they were fairly similar when you compared the generated bytecode. The HotSpot JVM is where all the optimization effort is applied.
- OpenJDK: x86_64 AVX512 intrinsics for Arrays.sort methods (2023)
- Ideas from "A Philosophy of Software Design"
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The Humble for Loop in Rust
Not sure how accurate/non-outdated though.
https://github.com/openjdk/jdk/blob/master/src/hotspot/share...
Modern Hotspot can autovectorize at the very least.
- Compact Object Headers in Java 24
- Hash Ordering and Hyrum's Law
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Tcl 9.0.0 Released
A handler for treating .zip (and .jar and .tar ...) files as if they were a volume mounted at /home/user/foo.zip - e.g. https://github.com/openjdk/jdk/blob/jdk-21-ga/src/java.base/...
It may be easier to reason about when thinking of the way $(mount -o loop) works with .iso files -- a file that is a container for other files that one can mount as if it were a filesystem
I was expecting pathlib in Python <https://docs.python.org/3/library/pathlib.html> to have one since a lot of Python distributions ship the standard library in .zip files but evidently not. Python gonna Python in that way
Firefox actually used to ship with that same "jar:" protocol handler, too, and I made good use of it for reading the javadoc html which was shipped inside zip files and was indescribably easier than trying to manage all the .html files in a Java 8 SDK distribution
What are some alternatives?
haven - Use haskell to produce a nix set of maven dependencies!
Graal - GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
java-adt - A tool to create immutable algebraic data structures and visitors for Java (such as abstract syntax trees).
corretto-11 - Amazon Corretto 11 is a no-cost, multi-platform, production-ready distribution of OpenJDK 11
inline-java - Haskell/Java interop via inline Java code in Haskell modules.
SAP Machine - An OpenJDK release maintained and supported by SAP