riot
ocaml-multicore
riot | ocaml-multicore | |
---|---|---|
1 | 8 | |
441 | 763 | |
16.3% | 0.0% | |
9.6 | 0.0 | |
7 days ago | over 1 year ago | |
OCaml | OCaml | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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riot
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Gleam
If this piqued your interest you might also be interested in: https://github.com/leostera/riot
ocaml-multicore
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PR to Merge Multicore OCaml
1. Domains are the unit of parallelism. A domain is essentially an OS thread with a bunch of extra runtime book-keeping data. You can use Domain.spawn (https://github.com/ocaml-multicore/ocaml-multicore/blob/5.00...) to spawn off a new domain which will run the supplied function and terminate when it finishes. This is heavyweight though, domains are expected to be long-running.
2. Domainslib is the library developed alongside multicore to aid users in exploiting parallelism. It supports nested parallelism and is pretty highly optimised (https://github.com/ocaml-multicore/domainslib/pull/29 for some graphs/numbers). The domainslib repo has some good examples: https://github.com/ocaml-multicore/domainslib/tree/master/te...
3. We've not tested against other forms of parallelism. There isn't anything stopping you exploiting SIMD in addition to parallelism from domains.
4. No, we've not compared performance by OS.
5. No plans for the multicore team to look at accelerator integration at the moment.
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Will rust ever have a futures executor in std?
For Algebraic Effects and Multicore OCaml specifically, I have this intro saved and they've been publishing regular updates here's October's. They have a paper linked from their repo's README but I don't remember the contents offhand.
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Graydon Hoare: What's next for language design? (2017)
Until recently Multicore OCaml was focused on deep handlers. The people working on the formalization of effects (either for program proofs or typed effects) were quite keen to have shallow handler integrated however. Thus, the effect module of the OCaml 5 preview contains both (see https://github.com/ocaml-multicore/ocaml-multicore/blob/5.00...) since September. I fear that non-academic literature has not followed this change (on the academic side, see https://dl.acm.org/doi/10.1145/3434314 for a program proofs point of view).
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Multicore OCaml: September 2021, effect handlers will be in OCaml 5.0
Yes, it's announcing that the next but one version, 5.0, will support multicore and effect handlers.
For what it's worth you can actually start using Multicore OCaml today, there are installation instructions on the wiki: https://github.com/ocaml-multicore/ocaml-multicore
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Aren't green threads just better than async/await?
ocaml-multicore/ocaml-multicore
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Multicore OCaml: April 2021
Could you explain (in simple terms if possible) how the Multicore OCaml achieves a memory model which is much simpler on more efficient than in Java or C (mentioned at https://github.com/ocaml-multicore/ocaml-multicore/wiki)?
Didn't see any mentions of critical sections (mutexes) with C++ examples in the documentation ("Bounding Data Races in Space and Time"). I'm not sure I understand the comparisons the writers are presenting.
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Multicore OCaml: Dec 2020 / Jan 2021
There are getting started instructions up on https://github.com/ocaml-multicore/ocaml-multicore
What are some alternatives?
gleam-otp-design-principals - Gleam OTP Design Principles User's Guide
eioio - Effects-based direct-style IO for multicore OCaml
langs-in-rust - A list of programming languages implemented in Rust, for inspiration.
domainslib - Parallel Programming over Domains
moor - A rewrite of the classic LambdaMOO server; but in Rust and on a modern tech stack
roast - 🦋 Raku test suite
caramel - :candy: a functional language for building type-safe, scalable, and maintainable applications
enso - Hybrid visual and textual functional programming.
otp - 📫 Fault tolerant multicore programs with actors
bumpalo - A fast bump allocation arena for Rust
ergo - An actor-based Framework with network transparency for creating event-driven architecture in Golang. Inspired by Erlang. Zero dependencies.
loom - Concurrency permutation testing tool for Rust.