DistIL Alternatives

DistIL reviews and mentions

• Classes vs. Structs in .NET. How not to teach about performance
  3 projects | news.ycombinator.com | 4 Nov 2023

  How is that relevant to the vast majority of the code targeted by LINQ?

  The niche scenario you have outlined is partially covered by a recent System.Numerics.Tensors package update (even though I believe it would have been best if there was a community-maintained package with comparable quality that can be decoupled from .NET release cycle and trade-off support/compat guarantees in favour of more aggressive improvements in the future).

  The goal of LINQ itself is to offer optimal codepaths when it can within the constraints of the current design (naturally, you could improve it significantly if not for backwards compatibility with the previous 15 or so years of .NET codebases). The argument that it's not good because it's not the tool to do BLAS is just nonsensical.

  There is, however, an IL optimizer that can further vectorize certain common patterns and rewrite LINQ calls into open-coded loops: https://github.com/dubiousconst282/DistIL

• DistIL: Experimental optimizer and intermediate representation for .NET IL
  1 project | /r/csharp | 2 Jan 2023

  Repo: https://github.com/dubiousconst282/DistIL

• DistIL: An experimental optimizer and compiler IR for .NET CIL
  1 project | /r/csharp | 7 Dec 2022
• What's the benefit of local functions?
  2 projects | /r/csharp | 7 Aug 2022

  The lifetime problem should not be that complicated, because the class/lambda allocation is contained entirely within the method. There's an open issue on the runtime repo about object stack allocation that would on paper alleviate some of these issues, but it's quite stagnated. In my toy optimizer, I made a buggy pattern matching transform for "concretizing" lambdas invocations using very little code, but implementing something like this in the JIT can be quite challenging, based on my limited experience.

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