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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. Look up the Microsoft Community/Open Specification Promise and their patent promise https://github.com/dotnet/runtime/blob/main/PATENTS.TXT .NET Core is open source, free, and comes with the guarantee of no litigation from Microsoft. As…
    comment by Salgat · 2022-03-13 · in .NET Myths Dispelled
  2. ok that is VERY encouraging to hear! thanks for letting me know about that EDIT: found it: https://github.com/dotnet/runtime/issues/61231
    comment by Shadonototra · 2022-02-21 · in Microsoft YARP
  3. You can find the Socket partial class files here: https://github.com/dotnet/runtime/tree/main/src/libraries/Sy... Socket.cs, Socket.Unix.cs, Socket.Windows.cs, etc... AFAIK, there are no parts of libuv left in .NET Core. That was mostly…
    comment by moogly · 2022-02-20 · in Microsoft YARP
  4. …(if ever) but it's not outside the realm of possibility. Edit: The proposal for anyone interested https://github.com/dotnet/runtime/issues/933
    comment by HideousKojima · 2022-02-08 · in How UTF-8 Works
  5. …an example of unstable benchmark performance caused by the lack of code alignment in .NET's JIT: https://github.com/dotnet/runtime/issues/43227
    comment by mibsl · 2022-02-06 · in Java BitSet performance-flicker mystery
  6. …added back to .NET 5 [2]. [1]: https://docs.microsoft.com/dotnet/csharp/programming-guide/t... [2]: https://github.com/dotnet/runtime/pull/33060 [3]: https://github.com/dotnet/runtime/issues/27790 [4]:…
    comment by MarkSweep · 2021-12-11 · in Interview with Anders Hejlsberg on Delphi (1995)
  7. …example? To me it seems that the implementation for .Any actually uses .Count when available, see https://github.com/dotnet/runtime/blob/main/src/libraries/Sy...
    comment by luan42 · 2021-11-21 · in .NET 6 vs .NET 5 speedup
  8. …That sounds a bit absurd but it's been a long standing issue with challenges you wouldn't expect.. https://github.com/dotnet/runtime/pull/54253
    comment by Rapzid · 2021-11-21 · in .NET 6 vs .NET 5 speedup
  9. Do be warned that .Net 6 did cause some regressions, in reflection at least https://github.com/dotnet/runtime/issues/61486
    comment by Ygg2 · 2021-11-21 · in .NET 6 vs .NET 5 speedup
  10. Yes, it embeds the CLR in to the application see the PR at https://github.com/dotnet/runtime/issues/43072
    comment by sitharus · 2021-11-09 · in .NET 6 Released
  11. …can build self-contained, smaller executables, and shared libraries callable from say, C code. [1]: https://github.com/dotnet/runtimelab/blob/feature/NativeAOT/... [2]: https://github.com/dotnet/runtime/issues/61231
    comment by jeswin · 2021-11-08 · in .NET 6 Released
  12. …in this context referring to 'platform abstraction layer') does the work for you behind the scenes: https://github.com/dotnet/runtime/blob/10eb1a9ff1c09de4a2a1f...
    comment by saulr · 2021-11-02 · in Anatomy of a Terminal Emulator
  13. …you because some modern projects[1] still prefer to compile with symbols and strip afterward. [1] https://github.com/dotnet/runtime/blob/main/eng/native/funct...
    comment by ceztko · 2021-09-24 · in Inspecting coredumps like it's 2021
  14. …rust justification for the same: https://mail.mozilla.org/pipermail/rust-dev/2013-November/00... https://github.com/dotnet/runtime/issues/11084 They knowingly seem to have chosen a more complicated model for performance. For me, that…
    comment by throwaway13337 · 2021-09-24 · in Asynchronous Programming in C#
  15. but if we assume that it works fine? AFAIK there's ongoing and active work for FreeBSD https://github.com/dotnet/runtime/issues/14537
    comment by tester756 · 2021-09-15 · in FreeBSD SSH Hardening
  16. …full release in a couple months supports M1 Macs[1] as a build target just fine. So does MAUI[2] 1. https://github.com/dotnet/runtime/issues/43313 2. https://docs.microsoft.com/en-us/dotnet/maui/get-started/ins...
    comment by tracker1 · 2021-09-10 · in Containers Don't Solve Everything
  17. …another system that already supports .NET and copied to the target system. Some Details are here: https://github.com/dotnet/runtime/blob/main/docs/design/core... For building from source to satisfy requirements Linux distributions,…
    comment by MarkSweep · 2021-09-01 · in C# for Systems Programming
  18. …Random example of someone trying to leverage this capability to harden an app: https://github.com/dotnet/runtime/issues/40100 Random comment that has a bunch of semi-interesting info in it: https://news.ycombinator.com/item?id=26061230 (
    comment by exikyut · 2021-07-08 · in Undocumented x86 instructions to control the CPU at the microarchitecture level [pdf]
  19. It's in the RID catalog: https://github.com/dotnet/runtime/blob/main/src/libraries/Mi...
    comment by pjc50 · 2021-06-29 · in ARM64EC: Building Native and Interoperable Apps for Windows 11 on ARM
  20. …of concept stage, if not beyond. https://sinclairinat0r.com/2020/02/05/compiling-net-core-for... https://github.com/dotnet/runtime/issues/36699
    comment by neogodless · 2021-06-29 · in ARM64EC: Building Native and Interoperable Apps for Windows 11 on ARM
  21. …the FreeBSD .NET port is stumbling/regressing somewhat and could definitely use a little help: https://github.com/dotnet/runtime/issues/14537 (Better start at the end of that thread, rather than the start) Anything you could do to help (if…
    comment by josteink · 2021-06-19 · in State of the Windows: How many layers of UI inconsistencies are in Windows 10?
  22. …other FreeBSD issues[2] that need to be solved for complete support. Or the same for NetBSD[3]. [1] https://github.com/dotnet/runtime/issues/14537 [2] https://github.com/dotnet/runtime/labels/os-freebsd [3]…
    comment by xvilka · 2021-06-18 · in .NET 6 Preview 5
  23. …Webkit and the JDK implement the same string optimization, while .NET unfortunately doesn't: https://github.com/dotnet/runtime/issues/6612
    comment by esprehn · 2021-04-13 · in The complete guide to working with strings in modern JavaScript
  24. …Progress is being tracked in these places: https://github.com/dotnet/source-build/issues/1139 https://github.com/dotnet/runtime/issues/14537
    comment by 1MachineElf · 2021-03-17 · in FreeBSD 13.0 – Full Desktop Experience
  25. …to C++. Currently, they don't support NEON on 32-bit ARM, and have performance issues in the JIT: https://github.com/dotnet/runtime/issues/13811
    comment by Const-me · 2021-03-14 · in Experimental Nintendo Switch Emulator written in C#
  26. Appears to be fixed by https://github.com/dotnet/runtime/commit/f27d33729518f5aa478...
    comment by plasma · 2021-03-10 · in CVE-2021-26701 – .NET Core Remote Code Execution Vulnerability
  27. …to use. Which is nice but kinda sucks too, given all the footguns they bring to the party. [1]: https://github.com/dotnet/runtime/issues/6307
    comment by magicalhippo · 2021-03-05 · in How does your programming language handle “minus zero” (-0.0)?
  28. …super exciting. Seems like this is where most of the detailed design discussion is taking place: https://github.com/dotnet/runtime/issues/45689
    comment by ripley12 · 2021-02-17 · in .NET 6 Preview 1
  29. …into some issues getting .NET 5 running well, but improvements are coming with new macOS releases. https://github.com/dotnet/runtime/issues/44897
    comment by month13 · 2021-02-16 · in The Worst Experience I've Had with an Aarch64 MacBook
  30. …on-prem setups, this is just unacceptable and doesn't even have anything to do with legacy libs. https://github.com/dotnet/runtime/issues/31570
    comment by foepys · 2021-02-13 · in How .NET container images are maintained
  31. …cases are well known (`throw\switch\fixed\try..catch\calling delegates` and some more https://github.com/dotnet/runtime/blob/master/src/coreclr/ji... ). > because it supports directly inlining IL instructions intermixed with regular code…
    comment by buybackoff · 2021-02-01 · in F# is gaining independence from .NET
  32. …also an issue with this. [0] Apple seems to intentionally break quite a lot of core APIs lately. 0: https://github.com/dotnet/runtime/issues/47584
    comment by foepys · 2021-01-30 · in "ERROR: could not open temporary file" after upgrade to Mac OS Big Sur
  33. …, ctrl-f for this stack trace is showing the runtime reality . [1] https://github.com/dotnet/runtime/issues/2191
    comment by MaxBarraclough · 2021-01-08 · in How Tail Call Optimization Works
  34. …broken: https://github.com/MonitorControl/MonitorControl/issues/323 - Rosetta + debugger crashes: https://github.com/dotnet/runtime/issues/44958 - nmap crashes whole machine (!): https://github.com/nmap/nmap/issues/2193 - and of course the…
    comment by hedgehog · 2020-12-24 · in Big Sur 11.1 External Display Issues
  35. …PAL is not that big and I don’t the steady state performance critical code paths go through it. 1: https://github.com/dotnet/runtime/tree/master/src/libraries/... 2: https://github.com/dotnet/runtime/tree/master/src/coreclr/sr...
    comment by MarkSweep · 2020-11-11 · in .NET 5.0
  36. …do a normaly fetch after a shallow clone, you can cause the server to do ever more work[4]. 1: https://github.com/dotnet/runtime/pull/35109 2: https://github.com/dotnet/runtime/blob/693c1f05188330e270b01... 3:…
    comment by MarkSweep · 2020-10-26 · in A one-line change decreased our build times by 99%
  37. …int a; float c; int b; Folks in my team didn't want to believe it at first :) Edit: found it here - https://github.com/dotnet/runtime/issues/17395 Not quite as I described but close.
    comment by cblum · 2020-09-30 · in It Is Never a Compiler Bug Until It Is
  38. If you read three, include Stephen Toub Why? > https://github.com/dotnet/runtime/graphs/contributors
    comment by tester34 · 2020-09-10 · in .NET Memory Performance Analysis
  39. ….NET 5 CoreCLR and instead adding a system that lets the Windows team plug in the marshaling stuff: https://github.com/dotnet/runtime/issues/35318 coreclr.dll is currently half a megabyte smaller than the 3.1 release.
    comment by MarkSweep · 2020-08-06 · in .NET Team Survey: Native AOT
  40. https://github.com/dotnet/runtime/tree/master/docs/design/co...
    comment by The_rationalist · 2020-07-27 · in Research Based on the .NET Runtime (2019)
  41. Microsoft is working on ARM64 performance for .NET 5: https://github.com/dotnet/runtime/issues/35853
    comment by MarkSweep · 2020-07-17 · in Improving Performance of PHP for Arm64 and Impact on Amazon EC2 M6g Instances
  42. …that already exists in J9 (IBM's JVM) I think. There is equivalent work for .net core here: https://github.com/dotnet/runtime/blob/master/docs/design/co... (So the title is somewhat accurate, but you have to do some digging)
    comment by shellac · 2020-07-02 · in HotSpot compiler: Stack allocation prototype for C2
  43. …is bounded by the lifetime of the allocating method, the allocation may be moved to the stack. https://github.com/dotnet/runtime/blob/master/docs/design/co...
    comment by OnlyOneCannolo · 2020-07-02 · in HotSpot compiler: Stack allocation prototype for C2
  44. It was fixed. https://github.com/dotnet/runtime/issues/8744
    comment by tecleandor · 2020-06-12 · in Why Skylake CPUs Are Sometimes 50% Slower (2018)
  45. The change in .Net Core: https://github.com/dotnet/runtime/commit/03bf95c8db9003a5925... (The implementation might be different on .Net Framework)
    comment by fowl2 · 2020-06-12 · in Why Skylake CPUs Are Sometimes 50% Slower (2018)
  46. …in one single massive .cpp file. I mean, look at it [1]. Github even refuses to display it. [1] https://github.com/dotnet/runtime/blob/master/src/coreclr/sr...
    comment by alexeiz · 2020-05-25 · in The original .NET garbage collector was written in Common Lisp
  47. My understanding is that the dotnet runtime and powershell are both decent codebases. https://github.com/dotnet/runtime https://github.com/PowerShell/PowerShell
    comment by _-david-_ · 2020-05-20 · in Welcome to C# 9.0
  48. …latest .NET Core 3.1, SIMD support is not good enough. Compiler generates very inefficient code: https://github.com/dotnet/runtime/issues/13811 ARM Neon support is lacking. Even on PCs, in my C++ I needed instructions, both vector like…
    comment by Const-me · 2020-05-18 · in Show HN: Vrmac Graphics, a cross-platform graphics library for .NET
  49. …of fibers appear to have been considered but deemed too hard or not worth the trade-offs. See here: https://github.com/dotnet/runtime/issues/11084 The acceptable alternative was, apparently, forcing to programmers to litter their code with…
    comment by balfirevic · 2020-05-16 · in State of Loom
  50. …be talking out of my ass. [0] https://docs.microsoft.com/en-gb/dotnet/api/system.collectio... [1] https://github.com/dotnet/runtime/blob/master/src/libraries/...
    comment by Measter · 2020-05-05 · in How to trigger races reliably in the Linux kernel