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ocaml-multicore
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bolt | ocaml-multicore | |
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3 | 8 | |
526 | 763 | |
- | 0.1% | |
0.0 | 0.0 | |
5 months ago | over 1 year ago | |
OCaml | OCaml | |
MIT License | GNU General Public License v3.0 or later |
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bolt
- I wrote my own “proper” programming language
- Communicating between parts of a compiler written in a different languages.
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How to implement variable shadowing in different scopes with the LLVM API during the codegen phase?
Right now I'm in the codegen phase of my language (it's a university project). We use the LLVM API for this. For this I use several repositories (this and this as well as kaledoscope) for inspiration, who also use LLVM as codegen.
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?
genType - Auto generation of idiomatic bindings between Reason and JavaScript: either vanilla or typed with TypeScript/FlowType.
eioio - Effects-based direct-style IO for multicore OCaml
bap - Binary Analysis Platform
domainslib - Parallel Programming over Domains
language-server-protocol - Defines a common protocol for language servers.
roast - 🦋 Raku test suite
infer - A static analyzer for Java, C, C++, and Objective-C
enso - Hybrid visual and textual functional programming.
pyre-check - Performant type-checking for python.
bumpalo - A fast bump allocation arena for Rust
WeekendCompiler - An example LLVM-based compiler for a subset of C.
loom - Concurrency permutation testing tool for Rust.