Tag Archives: Open Source

Speed it up by throwing it away | Maven Contribution | Java Coding | Head Crashing Informatics 72

For a third time, I speeded up Plexus-Utils, which is the workhorse underlying #Maven. This time, simply by throwing code away! If you like this video, please give it a thumbs up, share it, subscribe to my channel, or become … Continue reading

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Speed up your I/O with Java 11 | Maven Contribution | Java Coding | Head Crashing Informatics 71

I modified Plexus-Utils, which is the workhorse underlying #Maven, once again. This time, to copy data faster using #Java 11’s NIO APIs. If you like this video, please give it a thumbs up, share it, subscribe to my channel, or … Continue reading

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Speed up your I/O with Java 7 | Maven Contribution | Java Coding | Head Crashing Informatics 70

I modified Plexus-Utils, which is the workhorse underlying #Maven, to copy data faster using #Java 7’s NIO APIs. If you like this video, please give it a thumbs up, share it, subscribe to my channel, or become my patreon https://www.patreon.com/mkarg. … Continue reading

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Double Performance! | OpenJDK Contrib | Java Coding | Head Crashing Informatics 69

Yes, I really did it! My latest contribution to #OpenJDK 21 will make your #Java program drive I/O bytes up to twice as fast through your streams. If you like this video, please give it a thumbs up, share it, … Continue reading

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#letsplay? | The Two Minutes Tuesday 036 | Announcement

Would you like to see me streaming a #java live coding #letsplay episode? Tell me your opinion in the video comments on Youtube! If you like this video, please give it a thumbs up, share it, subscribe to my channel, … Continue reading

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SequenceInputStream boosted: Latest OpenJDK Contrib | Java Coding | Head Crashing Informatics 68

If you are using SequenceInputStream, you will notice that it pulls all data into the JVM’s memory, just to drain it to another I/O sink. This is inefficient and slow. With my latest contribution contained in #OpenJDK 20, this will … Continue reading

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Small Change with BIG EFFECT | OpenJDK Contrib | Java Coding | Head Crashing Informatics 67

Contributions to #OpenJDK don’t have to be huge always. Sometimes it is the small things that have BIG EFFECT. For example if a class was intended to be non-synchronized (hence: fast), implicitly is synchronized by mistake (hence: slow), is finally … Continue reading

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I boosted the PushbackInputStream | OpenJDK Contrib | Java Coding | Head Crashing Informatics 66

As #PushbackInputStream is quite similar to #BufferedInputStream, it was rather easy for me to apply the performance optimizations I already developed for BufferedInputStream to the PushbackInputStream. The contribution was accepted in November 2022, so it is now part of #OpenJDK … Continue reading

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BufferedInputStream boosted AGAIN by OpenJDK Contrib | Java Coding | Head Crashing Informatics 65

Recently I boosted #BufferedInputStream by contributing to #OpenJDK. There was one case open, in which performance did not excel. Now in my new contribution to OpenJDK, which is contained in #Java 20, I fixed this – so in two thirds … Continue reading

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Good bye, application/svg+xml | The Two Minutes Tuesday 035 | Jakarta REST 4.0

Jakarta REST 4.0 will be backwards-incompatible, and here comes one of the first notable changes: The (actually wrong) MIME type application/svg+xml will not be provided out of the box anymore (at least eventually). If you want to use it (or … Continue reading

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