U8String
axiom-zig
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U8String
- Writing x86 SIMD using x86inc.asm (2017)
- Zig, Rust, and Other Languages
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Was Rust Worth It?
Writing performance-sensitive code in C and calling it via interop used to be the way to go during .NET Framework days but since then has become a performance trap.
Especially for small methods, calling them through interop is a deoptimization because they cannot be inlined, and involve GC frame transition (which you can suppress) as well as an indirect jump and maybe interop stub unless you are statically linking the dependency into your AOT deployment. In case the arguments are not blittable to C - marshalling too.
It is also complicates the publishing process because you have to build both .NET and C parts and then package them together, considering the matrix of [win, linux, macos] x [x64, arm64], it turns into quite an unpleasant experience.
Instead, the recommended approach is just continuing to write C# code, except with pointer and/or ref based code. This is what CoreLib itself does for the most performance-sensitive bits[0]. Naturally, it intentionally 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/Share...
axiom-zig
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Zig, Rust, and Other Languages
Nim is also a strong player as a systems programming language. In terms of memory management, it's configurable, and by default you get ARC (no GC). I've written a hobby kernel (if you can call it that) in Nim[1] as well as Zig[2], and I found Nim to be much more ergonomic and approachable. The fact that Zig requires weaving an allocator through most calls that may allocate gets in the way of what I'm trying to do. I'd rather focus on core logic and have ref counting take care of dropping memory when appropriate.
One thing I wish Nim had though is true sum types with payloads. I think there's an RFC for that, but it's a shame it's not in the language yet.
[1] https://github.com/khaledh/axiom
[2] https://github.com/khaledh/axiom-zig
- Nim v2.0 Released
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Writing a Simple Operating System – From Scratch [pdf]
If anyone is interested, I have a couple of implementations of booting under UEFI and getting a bunch of info about the system (don't expect a functioning system, they just boot and dump some info):
Nim: https://github.com/khaledh/axiom
Zig: https://github.com/khaledh/axiom-zig (this one goes into depth in disassembling ACPI DSDT bytecode)
What are some alternatives?
subgroup1
axiom - A 64-bit kernel implemented in Nim
.NET Runtime - .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
linux - Linux kernel source tree
min-sized-rust - 🦀 How to minimize Rust binary size 📦
builder-hex0 - Builder-Hex0 is a minimal build system which includes a bootloader, kernel, shell, and a hex0 compiler
rust-playground - The Rust Playground
uefi-rs - Rust wrapper for UEFI.
Vrmac - Vrmac Graphics, a cross-platform graphics library for .NET. Supports 3D, 2D, and accelerated video playback. Works on Windows 10 and Raspberry Pi4.
v - Write Nim only with 'v'
Composer - Dependency Manager for PHP
nimbus-eth2 - Nim implementation of the Ethereum Beacon Chain