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.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

335 mentions on Hacker News by 195 people: 30 stories, 305 comments · first 2019-12-06 · latest 2026-09-21

Mentions per year 335 mentions · busiest year 2024 (96)
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  1. …external abstractions zero-cost. For example System.Numerics.Tensors which is pure C# BLAS package: https://github.com/dotnet/runtime/blob/main/src/libraries/Sy... combines two operators that are then statically dispatched as it's no…
    comment by neonsunset · 2024-06-10 · in in Rust, methods should be object safe
  2. ▲ 2
    Core .NET engineer: why it takes longer to implement groundbreaking features
    story by thunderbong · 2024-05-25 · 1 comment
  3. …this, I'm holding my breath waiting for DistIL[1] to be production-ready which does just that. [0]: https://github.com/dotnet/runtime/blob/main/src/libraries/Sy... [1]: https://github.com/dubiousconst282/DistIL (I don't understand what you…
    comment by neonsunset · 2024-05-22 · in Clever code is probably the worst code you could write (2023)
  4. …numeric types already. [0]: https://learn.microsoft.com/en-us/dotnet/standard/generics/m... [1]: https://github.com/dotnet/runtime/issues/64031
    comment by neonsunset · 2024-05-21 · in Clever code is probably the worst code you could write (2023)
  5. …instance, in the vtable of some array class), but as far as their API is concerned, yeah, they do: https://github.com/dotnet/runtime/blob/main/src/libraries/Sy...
    comment by nyssos · 2024-05-21 · in Clever code is probably the worst code you could write (2023)
  6. …NewtonSoft handles it fine. (Had wanted a quick-and-dirty debugging dump of properties) [0] https://github.com/dotnet/runtime/issues/43026
    comment by ethbr1 · 2024-05-13 · in Statement on CVE-2024-27322
  7. …Xamarin and Unity code, and allow cleanly merging the first two into overarching .NET ecosystem. https://github.com/dotnet/runtime/blob/main/LICENSE.TXT https://github.com/dotnet/runtime/blob/main/PATENTS.TXT Given that MSFT never sued…
    comment by neonsunset · 2024-05-12 · in Microsoft's $1M Vote of Confidence in Rust's Future
  8. …work on modernizing the implementation details of async/await itself was very successful: Issue https://github.com/dotnet/runtime/issues/94620 Technical details https://github.com/dotnet/runtimelab/blob/feature/async2-exp... The result is…
    comment by neonsunset · 2024-05-09 · in How to Use the Foreign Function API in Java 22 to Call C Libraries
  9. …the latest LTS to get best experience and performance. If you liked it, then I can strongly suggest https://github.com/dotnet/runtime/tree/main/docs/design/core... which covers .NET runtime internals. p.s.: if it's any consolation, the…
    comment by neonsunset · 2024-05-08 · in The search for easier safe systems programming
  10. …for and are heavily used by F#. https://learn.microsoft.com/en-us/dotnet/api/system.reflecti... https://github.com/dotnet/runtime/blob/main/docs/design/feat...
    comment by neonsunset · 2024-05-08 · in The search for easier safe systems programming
  11. …VB compiler suite, MIT license: https://github.com/dotnet/roslyn .NET virtual machine, MIT license: https://github.com/dotnet/runtime SDK, MIT license: https://github.com/dotnet/sdk You were saying?
    comment by naasking · 2024-05-08 · in The search for easier safe systems programming
  12. …it compiles to all supported ISAs with their respective SIMD instructions for a given vector width: https://github.com/dotnet/runtime/blob/56e67a7aacb8a644cc6b8... (there is a lot of code because C# covers much wider range of scenarios and…
    comment by neonsunset · 2024-05-08 · in Arena-based parsers
  13. …could just keep pushing it each decade, until it wraps again). Or they could use 4-digit years. [1] https://github.com/dotnet/runtime/issues/75148 [2] https://learn.microsoft.com/en-us/dotnet/core/compatibility/...
    comment by Pyrodogg · 2024-04-28 · in Airline keeps mistaking 101-year-old woman for baby
  14. …language to offer it with an assurance to emit good codegen (unless you abuse it too hard). [0] https://github.com/dotnet/runtime/blob/main/docs/coding-guid... [1] https://github.com/U8String/U8String/blob/main/Sources/U8Str... [2]…
    comment by neonsunset · 2024-04-27 · in Optimizing your programs for Arm platforms
  15. …if necessary. Reference: - https://learn.microsoft.com/en-us/dotnet/core/deploying/nati... - https://github.com/dotnet/runtime/blob/main/src/coreclr/nati... - https://github.com/dotnet/runtime/blob/5b4e770daa190ce69f402... (full list of…
    comment by neonsunset · 2024-04-25 · in The software industry rapidly convergng on 3 languages: Go, Rust, and JavaScript
  16. …load predictors and, as noted in parent comments, block inlining, which is highly undesirable. [0] https://github.com/dotnet/runtime/blob/5111fdc0dc464f01647d6... [1] https://github.com/dotnet/runtime/blob/main/docs/design/core... (mind…
    comment by neonsunset · 2024-04-23 · in The Performance Impact of C++'s `final` Keyword
  17. ….NET Framework, while performing adequately, was still that slow compared to what we got today. [0] https://github.com/dotnet/runtime/tree/main/src/libraries/Sy...
    comment by neonsunset · 2024-04-23 · in The Performance Impact of C++'s `final` Keyword
  18. …JIT and AOT) than Python or JVM). Also, Mono (not the Unity fork one) is now just a part of https://github.com/dotnet/runtime like CoreCLR and is used for targets which CoreCLR is not suitable for or does not support yet like WASM…
    comment by neonsunset · 2024-04-17 · in Java 23: The New Features Are Officially Announced
  19. …but cross-platform abstractions stabilized since .NET 7 and an extensive guide to using those: https://github.com/dotnet/runtime/blob/69110bfdcf5590db1d32c... CoreLib and many new libraries are using it heavily to match performance of…
    comment by neonsunset · 2024-04-17 · in Java 23: The New Features Are Officially Announced
  20. …Also, here is another implementation of this algorithm in C#, used in .NET: https://github.com/dotnet/runtime/blob/main/src/libraries/Sy...
    comment by MarkSweep · 2024-04-12 · in BatBadBut: You can't securely execute commands on Windows
  21. …months working on a string library which has performant parsing as one of the project goals[1]. [0] https://github.com/dotnet/runtime/tree/main/src/libraries/Mi... [1] https://github.com/U8String/U8String
    comment by neonsunset · 2024-04-11 · in World's Smallest CSV Parser (C#)
  22. …Microsoft .NET and ASP.NET feature tracking: Add support for Zstandard to System.IO.Compression: https://github.com/dotnet/runtime/issues/59591 Support zstd Content-Encoding: https://github.com/dotnet/aspnetcore/issues/50643
    comment by qingcharles · 2024-04-01 · in Chrome Feature: ZSTD Content-Encoding
  23. …said state machine box pooling+ValueTask<T>[0] and may be entirely allocation-free. [0] Example: https://github.com/dotnet/runtime/blob/cc7bf831f02cad241547e...
    comment by neonsunset · 2024-03-30 · in Garbage collection for systems programmers (2023)
  24. …depending on publish contents) If you're interested, here's the PR history for the feature: - https://github.com/dotnet/runtime/pull/77884 - https://github.com/dotnet/runtime/pull/79209 - https://github.com/dotnet/runtime/pull/78545 -…
    comment by neonsunset · 2024-03-29 · in Monogon: A Linux userland in pure Go
  25. …here. It is one of the most convenient languages to write bespoke SIMD code in today. Examples: - https://github.com/dotnet/runtime/blob/main/src/libraries/Sy... - https://github.com/dotnet/runtime/blob/b432fc66fe59873b2b2ad... -…
    comment by neonsunset · 2024-03-26 · in Writing x86 SIMD using x86inc.asm (2017)
  26. Initial experiment issue: https://github.com/dotnet/runtime/issues/94620 Experiment results write-up: https://github.com/dotnet/runtimelab/blob/e69dda51c7d796b812... TLDR: The green threads experiment was a failure as it found (expected…
    comment by neonsunset · 2024-03-25 · in Why choose async/await over threads?
  27. …changes. There is still a lot of questions unanswered, but initial tests look promising. Ref: https://github.com/dotnet/runtime/issues/94620
    comment by asabla · 2024-03-25 · in Why choose async/await over threads?
  28. …individually (usually), which is what contributors also do. For example, you can clone and build https://github.com/dotnet/runtime and use the produced artifacts to execute .NET assemblies or build .NET binaries.
    comment by neonsunset · 2024-03-21 · in Redis adopts dual source-available licensing
  29. …is now being worked on to be integrated in one of the future version of .NET (hopefully 10?) [0] https://github.com/dotnet/runtime/issues/11192 [1] https://github.com/dotnet/runtimelab/blob/feature/async2-exp...
    comment by neonsunset · 2024-03-20 · in Garnet – A new remote cache-store from Microsoft Research
  30. Thank you, I missed the stack allocation design doc stating it’s on the roadmap. ( https://github.com/dotnet/runtime/blob/main/docs/design/core... ) Appreciate the detail about the stack allocated bits in .NET.
    comment by astral303 · 2024-03-20 · in Garnet – A new remote cache-store from Microsoft Research
  31. …combo but it's very niche, the good debugger implementation is not OSS hence the remark. [0] https://github.com/dotnet/runtime/issues/97711 here's an example of a request driven by an interest from Azure team which was rejected because…
    comment by neonsunset · 2024-03-14 · in "Using .net Cost Me My Job" (2020)
  32. …is written in C or C++[1] and you run the runtime on an OS that's largely written in C or C++. [1] https://github.com/dotnet/runtime
    comment by nequo · 2024-02-10 · in Too dangerous for C++
  33. …- https://github.com/nietras/1brc.cs/blob/main/src/Brc/BrcAccu... - https://github.com/dotnet/runtime/blob/main/src/libraries/Sy... (and many more if you search github for the uses of Vector128/256<byte> and the like!)
    comment by neonsunset · 2024-01-23 · in From slow to SIMD: A Go optimization story
  34. …to implement C# vastly outweighs the amount in Rust's standard library. According to bing.com chat, https://github.com/dotnet/runtime has 3.5M LOC, and https://github.com/rust-lang/rust has 6M LOC. The right panel of…
    comment by Const-me · 2024-01-15 · in OpenD, a D language fork that is open to your contributions
  35. …code that used to be proprietary specifically to make all the Mono bits to be legally sound. [0] https://github.com/dotnet/runtime/blob/main/LICENSE.TXT [1] https://github.com/dotnet/runtime/blob/main/PATENTS.TXT (I think there was another…
    comment by neonsunset · 2024-01-11 · in Show HN: GodotOS – Fake operating system interface made in the Godot engine
  36. …IndexOfMatch, LastIndexOfMatch and GetMatchCount scenarios it is used for most of the time: - https://github.com/dotnet/runtime/pull/94472/files#diff-5824... (it's closed for now but I'm hoping to get back to it at some point) -…
    comment by neonsunset · 2023-12-26 · in Ask HN: What's the fastest programming language with a large standard library?
  37. …https://doc.rust-lang.org/std/arch/index.html [2]: https://doc.rust-lang.org/std/simd/index.html [3]: https://github.com/dotnet/runtime/blob/72fae0073b35a404f03c3... [4]: https://github.com/dotnet/runtime/pull/88394#issuecomment-16... [5]:…
    comment by burntsushi · 2023-12-26 · in Ask HN: What's the fastest programming language with a large standard library?
  38. …of examples is - Shared SIMD helper for Aho-Corasick, Rabin-Karp and other text search algorithms https://github.com/dotnet/runtime/blob/main/src/libraries/Sy... - Bloom filter https://github.com/dotnet/runtime/blob/main/src/libraries/Sy...…
    comment by neonsunset · 2023-12-26 · in Ask HN: What's the fastest programming language with a large standard library?
  39. …is really rudimentary. With that said, you can track support of various WASM features by .NET here: https://github.com/dotnet/runtime/issues/94351 I don’t understand how the logic of your post works however, WASM in .NET is already used in…
    comment by neonsunset · 2023-12-11 · in Building a bare-metal bootable game for Raspberry Pi in C#
  40. …In fact, OSU! has been able to get consistently good frame times even back on .NET Framework. [0] https://github.com/dotnet/runtime/blob/main/docs/design/core... [1] https://maoni0.medium.com/dynamically-adapting-to-applicatio...
    comment by neonsunset · 2023-12-09 · in Murder is a pixel art ECS game engine in C#
  41. …bypassing ObjC in the works (the motivation behind it is somewhat elusive to me but hey!) [0] https://github.com/dotnet/runtime/issues/93631
    comment by neonsunset · 2023-11-30 · in Ask HN: How to create web, mobile, and desktop apps from a common code base?
  42. Yes, and go upvote this .NET feature so we can make portable .NET WASM libraries: https://github.com/dotnet/runtime/issues/86162 .NET WASM performance is actually very impressive, especially with AOT enabled.
    comment by umvi · 2023-11-15 · in WASM by example
  43. You can find .NET's position on the WasmGC spec here: https://github.com/dotnet/runtime/issues/94420 .
    comment by danroth27 · 2023-11-14 · in .NET 8
  44. investigations continue: https://github.com/dotnet/runtime/issues/94620
    comment by custard42 · 2023-11-14 · in .NET 8
  45. …major reasons to use Mono. [0] https://www.mono-project.com/docs/about-mono/supported-platf... [1] https://github.com/dotnet/runtime/issues/14537
    comment by piaste · 2023-11-14 · in .NET 8
  46. …does this exact behavior. Sounds like gunicorn needs a pr to mimic, if they want to replicate this. https://github.com/dotnet/runtime/issues/8485
    comment by status_quo69 · 2023-11-07 · in Go, Containers, and the Linux Scheduler
  47. - https://github.com/dotnet/runtime/blob/main/src/libraries/Sy... - https://github.com/dotnet/runtime/blob/main/src/libraries/Sy... - https://github.com/dotnet/runtime/blob/main/src/libraries/Sy...
    comment by neonsunset · 2023-11-05 · in Classes vs. structs in .NET: how not to teach about performance
  48. …This is absolutely not true. Where are you getting this from? Pray tell, what you think this is: https://github.com/dotnet/runtime
    comment by whoknowsidont · 2023-11-04 · in Classes vs. structs in .NET: how not to teach about performance
  49. And to include .net: https://github.com/dotnet/runtime/blob/main/docs/design/spec...
    comment by 3pm · 2023-10-28 · in Memory Models
  50. …looks ugly like in Rust, but you can easily fix it with a few extension methods[1]. [0]: https://github.com/dotnet/runtime/blob/main/src/libraries/Sy... [1]: https://github.com/U8String/U8String/blob/main/Sources/Compa...
    comment by neonsunset · 2023-10-26 · in Was Rust Worth It?