Towards the tower of Babel: a Polyglot Language VM in Java

on YouTube ↗01h 19m

" summary

GraalVM + Truffle lets language implementations be written as interpreters and then partially evaluate those interpreters into optimized code using Futamura partial evaluation, avoiding duplicate compiler/runtime work. It runs JavaScript, Python, Ruby, R, LLVM bitcode (Sulong), WebAssembly and a new Espresso JVM, provides a language-agnostic interop protocol and instrumentation so debuggers and profilers span languages, and offers Native Image auxiliary images and sandboxing. Peak throughput approaches best-in-class (about within 2x) while startup/warmup is currently ~1–5x slower.

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" chapters (6)

1. 0:00Start
2. 2:23Towards the Tower of Babel
3. 18:16Truffle Interpreter Example
4. 23:13Truffle Interpreter Compilation
5. 48:59Interoperability Protocol
6. 54:06Polyglot Instrumentation using Node Tagging

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