OCaml 5.0 Multicore is out (github.com)

Article summary

OCaml 5.0 introduces a new runtime environment with support for shared memory parallelism and effect handlers. The language is fully compatible with OCaml 4, with some exceptions including the removal of deprecated functions and changes to the internal runtime API. OCaml 5.0 aims to provide a seamless transition for existing code, with minimal performance changes. The new version also temporarily has degraded performance for ephemerons.

Main themes

• OCaml 5.0 release
• Multithreading support
• Runtime environment changes
• Backward compatibility
• Thread management

What commenters say

• The release of OCaml 5.0 is a significant milestone that has been long awaited. Some users are eager to discuss the new features and answer questions about the update. There is a desire to consolidate discussions about the release into a single thread. The merging of threads is seen as a way to streamline the conversation and reduce duplication. Some users are excited about the potential of multithreading in OCaml 5.0. The decision to merge threads is not universally agreed upon, with some arguing it's too late for consolidation.
• themes": [