Erjang - With the JVM under the Hood
summary
Erjang implements a full Erlang VM on the JVM and actually runs recent Erlang and much of Elixir with networking, hot code replacement, ports and native modules. It JITs BEAM bytecode into JVM code and faces verifier and 64KB method limits, stack-unwinding for suspends, and tail-call encoding. Benchmarks show big wins for floats and big-message passing — JIT compiles BEAM to JVM, ~20M msgs/s vs ~5–6M on BEAM, ~70× faster floating-point hotspots — and the system is usable and largely compatible.
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chapters (13)
- 0:00Intro
- 1:52EXACTLY FOUR YEARS AGO...
- 3:03HIGHLIGHTS
- 12:03JAVA/JVM CONS
- 22:29RING: 100.000 PROCESSES
- 25:14JIT COMPILER
- 28:29CODE CONCEPTS
- 36:51ERANG TYPES
- 41:46TYPE/FLOW ANALYSIS
- 45:10ENCODING PROCESSES
- 49:55ELIXIR IS MY HOPE FOR ADOPTION
- 50:32MAKING ELIXIR RUN
- 51:14RUNNING ELIXIR
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