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For complex enough and long-running application your run-of-the-mill Rust (so probably what AI would generate) will likely be slower than your run-of-the-mill Java.

I know this is a heresy in some online religious groups pretending to care about engineering but that's reality.

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I doubt that. How can you measure what average is and what the performance is? Any benchmarks? If not then it's just he-said-she-said.

> For complex enough and long-running application your run-of-the-mill Rust (so probably what AI would generate) will likely be slower than your run-of-the-mill Java.

That phrase "complex enough" seems to be quite load bearing.

At which point does complexity reach the tipping point where a Java implementation becomes faster? From my experience, the more complex the application, the more enerprisey the Java code becomes, relying heavily on dynamic capabilities that make it slow even by Java standards.

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