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A comment on GraalVM 19.0.

Re:GraalVM 19.0 by azhenley on Saturday May 11, 2019 @09:48AM (#19886128)
How come it seems like none of the smaller, general-purpose VMs took off? Did .Net and the JVM win?

I recall there being several contenders 6-10 years ago. Like the Parrot VM [1], which was driven by Perl but aimed to support a large variety of languages.

[1] https://en.wikipedia.org/wiki/Parrot_virtual_machine

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Re:GraalVM 19.0 by pron on Saturday May 11, 2019 @10:35AM (#19886375)
I estimate that developing OpenJDK + Graal/Truffle costs ~$100M a year (hundreds of full-time developers). That's a lot of money.
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Re:GraalVM 19.0 by aardvark179 on Saturday May 11, 2019 @11:17AM (#19886582)
Making a VM isn’t too difficult. Making s VM with an optimising JIT is a lot more work, and adding things like tooling, instrumentation and debugging increases the work needed.
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Re:GraalVM 19.0 by chrisseaton on Saturday May 11, 2019 @10:39AM (#19886401)
Nobody did the hard work to add advanced optimising backends to those projects.

They were all new ideas for the frontend - great but someone somewhere has to do the work to get it to perform well, and few people know how to do that so it never got done.

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Re:GraalVM 19.0 by pawelmurias on Saturday May 11, 2019 @11:22AM (#19886608)
Parrot never reached a point where it didn't suck. GraalVM has the futurama projection tech to make the universal vm dream possible.
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Re:GraalVM 19.0 by tempguy9999 on Saturday May 11, 2019 @11:32AM (#19886656)
futamura? :)
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