llvm-project
windmill
llvm-project | windmill | |
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356 | 87 | |
26,431 | 8,879 | |
3.3% | 3.6% | |
10.0 | 10.0 | |
3 days ago | 7 days ago | |
LLVM | Svelte | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
llvm-project
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Compilers Are (Too) Smart
The background here is that "ctpop < 2" or "ctpop == 1" (depending on zero behavior) is LLVM's canonical representation for a "power of two" check. It is used on the premise that the backend will expand it back into a cheap bitwise check and not use an actual ctpop operation. However, due to complex interactions in the backend, this does not actually happen in this case (https://github.com/llvm/llvm-project/issues/94829).
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What errors are lurking in LLVM code?
The checked project version is LLVM 18.1.0.
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Qualcomm's Oryon LLVM Patches
I think they should probably set LoopMicroOpBufferSize to a non-zero value even if its not microarchitecturally accurate. This value is used in LLVM to control whether partial and runtime loop unrolling are enabled (actually only for that). Although some targets override this default behaviour, AArch64 only overrides it to enable partial and runtime unrolling for in-order models. I've left a review comment https://github.com/llvm/llvm-project/pull/91022/files#r16026... and as I note there, the setting seems to have become very divorced from microarchitectural reality if you look at how and why different scheduling models set it in-tree (e.g. all the Neoverse cores, set it to 16 with a comment they just copied it from the A57).
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Yes, Ruby is fast, but…
In conclusion, none of the proposed changes to the Ruby version of the code makes a dent in the Crystal version. This is not entirely Crystal's doing: it uses the LLVM backend, which generates very optimized binaries.
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Qt and C++ Trivial Relocation (Part 1)
As far as I know, libstdc++'s representation has two advantages:
First, it simplifies the implementation of `s.data()`, because you hold a pointer that invariably points to the first character of the data. The pointer-less version needs to do a branch there. Compare libstdc++ [1] to libc++ [2].
[1]: https://github.com/gcc-mirror/gcc/blob/065dddc/libstdc++-v3/...
[2]: https://github.com/llvm/llvm-project/blob/1a96179/libcxx/inc...
Basically libstdc++ is paying an extra 8 bytes of storage, and losing trivial relocatability, in exchange for one fewer branch every time you access the string's characters. I imagine that the performance impact of that extra branch is tiny, and massively confounded in practice by unrelated factors that are clearly on libc++'s side (e.g. libc++'s SSO buffer is 7 bytes bigger, despite libc++'s string object itself being smaller). But it's there.
The second advantage is that libstdc++ already did it that way, and to change it would be an ABI break; so now they're stuck with it. I mean, obviously that's not an "advantage" in the intuitive sense; but it's functionally equivalent to an advantage, in that it's a very strong technical answer to the question "Why doesn't libstdc++ just switch to doing it libc++'s way?"
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Playing with DragonRuby Game Toolkit (DRGTK)
This Ruby implementation is based on mruby and LLVM and it’s commercial software but cheap.
- Add support for Qualcomm Oryon processor
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Ask HN: Which books/resources to understand modern Assembler?
'Computer Architeture: A Quantitative Apporach" and/or more specific design types (mips, arm, etc) can be found under the Morgan Kaufmann Series in Computer Architeture and Design.
"Getting Started with LLVM Core Libraries: Get to Grips With Llvm Essentials and Use the Core Libraries to Build Advanced Tools "
"The Architecture of Open Source Applications (Volume 1) : LLVM" https://aosabook.org/en/v1/llvm.html
"Tourist Guide to LLVM source code" : https://blog.regehr.org/archives/1453
llvm home page : https://llvm.org/
llvm tutorial : https://llvm.org/docs/tutorial/
llvm reference : https://llvm.org/docs/LangRef.html
learn by examples : C source code to 'llvm' bitcode : https://stackoverflow.com/questions/9148890/how-to-make-clan...
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Flang-new: How to force arrays to be allocated on the heap?
See
https://github.com/llvm/llvm-project/issues/88344
https://fortran-lang.discourse.group/t/flang-new-how-to-forc...
- The LLVM Compiler Infrastructure
windmill
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What do you want to watch next? This is why I built GoodWatch.
Data Handling: Utilizes Windmill for data pipelines, with a primary database powered by PostgreSQL. Auxiliary data storage is handled by MongoDB, with Redis for caching to optimize performance
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Show HN: Strada – Cloud IDE for Connecting SaaS APIs
Look very similar to the script builder portion of https://github.com/windmill-labs/windmill, but not open-source, not self-hostable, and without open-source integrations (https://hub.windmill.dev/)
disclaimer: I'm founder of ^
- Ask HN: Is There a Zapier for APIs?
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Postgres as Queue
If you need a job queue on Postgres, https://windmill.dev provide an all-integrated developer platform with a Pg queue at its core that support jobs defined in python/typescript/sql
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A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
windmill.dev - Windmill is an open-source developer platform to quickly build production-grade multi-step automation and internal apps from minimal Python and Typescript scripts. As a free user, you can create and be a member of at most three non-premium workspaces.
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Airplane acquired by Airtable and is shutting down
For an alternative to airplane.dev, you can checkout Windmill.
https://github.com/windmill-labs/windmill
"Open-source developer infrastructure for internal tools (APIs, background jobs, workflows and UIs). Self-hostable alternative to Airplane, Pipedream, Superblocks and a simplified Temporal with autogenerated UIsm and custom UIs to trigger workflows and scripts as internal apps.
Scripts are turned into sharable UIs automatically, and can be composed together into flows or used into richer apps built with low-code. Supported script languages supported are: Python, TypeScript, Go, Bash, SQL, and GraphQL. "
If you search HN, you'll find the creator of Windmill comment on comparisons to airplane.dev:
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...
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Pipe Dreams: The life and times of Yahoo Pipes
https://windmill.dev is a self-hostable OSS alternative to pipedream
(disclaimer: I'm founder)
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Looking for an e-commerce multivendor platform for 10million+ products
I'm genuinely curious what server-side stuff on BC you are referring to. That may have been something added after our assessment. The way I'd generally approach something like that for any of the platforms would be using an external low/no code solution to process webhook data. But it would depend heavily on the use case. For a more developer friendly option I've been really impressed by windmill.dev. We use a mix of n8n and windmill for various needs.
- Deno Cron
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Show HN: Windmill – fastest open-source workflow engine – the how
Yes it goes in that direction, however note that you can already do this in a not too hard way.
Our openflow spec is both open-source and has a full openapi definition: https://github.com/windmill-labs/windmill/blob/main/openflow...
you can use that to generate client sdks in any languages and build your own dag with it. That's what one of our customer did building a reactflow to openflow library: https://github.com/Devessier/reactflow-to-windmill
It's not as good as the decorator way but we move fast and if you still have interest for it we could prioritize it (and ask for feedbacks :))
What are some alternatives?
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
automatisch - The open source Zapier alternative. Build workflow automation without spending time and money.
Lark - Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.
plasmic - Visual builder for React. Build apps, websites, and content. Integrate with your codebase.
gcc
budibase - Budibase is an open-source low code platform that helps you build internal tools in minutes 🚀
SDL - Simple Directmedia Layer
supabase - The open source Firebase alternative.
cosmopolitan - build-once run-anywhere c library
pg_jsonschema - PostgreSQL extension providing JSON Schema validation
STL - MSVC's implementation of the C++ Standard Library.
windmill-gh-action-deploy - windmill.dev's github action to deploy scripts to your workspace