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In the "future of java on system i" presentation I saw, Blair Wyman said the new, V5R4 IBM technology for Java VM was not a pinning VM. As in JNI accessed native code cant lock down JVM allocated memory. IBM says pinning makes the JVM garbage collection slow and inefficient. and inherently unsafe. It also appears to place quite the barrier between Java and native code. This appears to be a big difference in the .NET/JAVA implementation of managed code. In .NET there are a number of facilities for calling into native code. http://www.csharpfriends.com/Articles/getArticle.aspx?articleID=351 -Steve
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