Category Archives: Mint

Pictures from Yesterday’s Talk

Posted on February 9, 2010 by Mathias

Here are a few pictures from yesterday’s talk about Mint.

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Mint Talk in COMP 600

Posted on February 8, 2010 by Mathias

I just gave the first presentation about Mint in the COMP 600 graduate seminar at Rice. The slides for “Mint: A Multi-stage Extension of Java” are available (PowerPoint, PDF, view embedded). This weekend, I was kicking myself why I had … Continue reading →

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Presentation: Mint: A Multi-stage Extension of Java

Posted on February 8, 2010 by Mathias

Mint: A Multi-stage Extension of Java (PowerPoint, PDF, view embedded) Video recording available on vimeo. Where: Rice University Computer Science Department, COMP 600 Graduate Seminar When: February 8, 2010 Multi-stage programming (MSP) provides a safe way of generating code at … Continue reading →

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Paper: Mint: Java Multi-stage Programming Using Weak Separability

Posted on January 31, 2010 by Mathias

Mint: Java Multi-stage Programming Using Weak Separability 2010 ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI 2010) Multi-stage programming (MSP) provides a disciplined approach to run-time code generation. In the purely functional setting, it has been shown how … Continue reading →

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Mint Paper Accepted to PLDI 2010

Posted on January 30, 2010 by Mathias

I’m happy to report that our Mint paper “Mint: Java Multi-stage Programming Using Weak Separability” has been accepted to PLDI 2010 in Toronto! I couldn’t find the deadline for submitting the camera-ready version yet, and the reviewer and referee comments … Continue reading →

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Huzzah for Sleeping In!

Posted on November 21, 2009 by Mathias

Today I slept in for the first time in a while. It’s been a tough fortnight, but we finished our PLDI 2010 submission. I feel it is considerably stronger than our previous submissions. Let’s home my confidence is justified.

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New Mint Release

Posted on November 13, 2009 by Mathias

I just created a new release of Mint and DrJava with Mint. JavaMint-r14577.tar.gz JavaMint-r14577-binaries.zip drjava-r5130-mint-r14577.jar There were some dramatic performance improvements in the Mint compiler thanks to base type lifting instead of performing cross-stage persistence for them. I also fixed … Continue reading →

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Boring Backport

Posted on November 13, 2009 by Mathias

I’m in the process of porting some scientific code originally written in Fortran, which was then ported to Java, which was then ported to Habanero Java, back to Java, while maintaining a Habanero Java feature called array views. It’s incredibly … Continue reading →

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Lifting for Primitive and Boxed Types and Strings

Posted on November 4, 2009 by Mathias

When we examined the code that was generated for the sparse matrix multiplication benchmark of Mint, we noticed that variables containing loop indices had become cross-stage persistent (CSP) variables, which necessitated an array lookup. This was much more expensive than … Continue reading →

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Mint Matrix Market Reader for Sparse Matrix Multiply Benchmark

Posted on October 31, 2009 by Mathias

I added a Matrix Market file reader for the MatrixMultiplySparse benchmark and used the 183-by-138 matrix we had picked out. The reader seems to work, and if I set the heap size to 1.3 GB, then the compiler almost gets … Continue reading →

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Mint Compile Time Improvement

Posted on October 27, 2009 by Mathias

I just committed a small change as a result of profiling Mint programs: We are now treating all compiler invocations as one long compile session, instead of having many short ones during the execution of a Mint program. This reduces … Continue reading →

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New Version of DrJava with Mint

Posted on October 20, 2009 by Mathias

I just made a new release of the all-in-one DrJava with Mint: drjava-r5121-mint-r14186.jar On the Mint side, there is only one small change: Previously, the Mint compiler only appeared in the “Compiler” drop-down box if the “Display all compiler versions” … Continue reading →

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Today’s Loose Ends

Posted on October 20, 2009 by Mathias

I’m in the process of wrapping up today’syesterday’s loose ends: I made a new ConcJUnit release, 20091019, containing the files for versions 3.8.2 and 4.7, as described at the end of the last post. There is a new version of … Continue reading →

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Two Confusing Errors

Posted on October 19, 2009 by Mathias

A while ago, I was told by our one-and-only client of Mint that the version of DrJava with Mint does not display Mint as a compiler, even though it is included in the jar file and therefore should be available. … Continue reading →

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All in One File!

Posted on October 5, 2009 by Mathias

After integrating Mint into DrJava last week, we have now made it even simpler to experiment with Mint: You can download a copy of DrJava that already includes the Mint compiler, all in one file: DrJava with Mint (check the … Continue reading →

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DrJava with Mint Released

Posted on September 29, 2009 by Mathias

The latest releases of DrJava contains a compiler adapter for Mint. That means it is possible to conveniently compile Mint programs in the DrJava IDE. To experiment with Mint and DrJava, please do the following: Download DrJava with Mint the … Continue reading →

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DrJava Mint Branch Merged Back into Trunk

Posted on September 28, 2009 by Mathias

I just merged the trunk-mint branch of DrJava back into the trunk and made a new weekly release (@ I actually issue these “weakly” releases more often than just weekly. It’s just a convenient mechanism to benefit from the auto-update … Continue reading →

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Running Mint Programs in DrJava

Posted on September 25, 2009 by Mathias

I have now managed to hack DrJava and Mint together. I still have to improve the source, because right now a few things are hard-coded, but it is a working proof-of-concept. Welcome to DrJava. Working directory is C:\Program Files\JavaMint\langtools\mintTest > … Continue reading →

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Installing JavaMint on Linux

Posted on September 24, 2009 by Mathias

Here are some quick instructions on how to download and install Java Mint. Linux You need Sun’s JDK 6 installed. Download the “binaries only” Java Mint zip file from the Java Mint implementation page. In this example, I have saved … Continue reading →

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Mint and DrJava Class Loader Issues

Posted on September 24, 2009 by Mathias

I’m still trying to integrate Mint into DrJava, and I’m running into a problem with the class loaders in Mint and DrJava. If I understand the class loader inside the Interaction JVM correctly (a PathClassLoader, I believe), it can change … Continue reading →

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