AltJIT as a single lib for a given host

Open
#114,305 4 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
35/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
csharp
Domain
compilers

Research direction

Start by examining the runtime package contents and the existing libclrjit_* binaries described in the issue. Determine how a composite libclrjit_linux_x64.so could accept target information through its API while preserving the current host compatibility. Done means the host has one library instead of multiple target-specific libraries and the package size is reduced.

Written by the indexing model from the issue text.

Description

area-CodeGen-coreclr

The contents of ILCompiler runtime package include multiple libclrjit_* binaries:

e.g. https://nuget.info/packages/runtime.linux-x64.Microsoft.DotNet.ILCompiler/10.0.0-preview.2.25163.2
shows

Image

These are all compatible with the host platform (linux-x64), differing only in the target architecture they generate code for.

It seems feasible to consolidate these into a single composite library libclrjit_linux_x64.so that takes the target info as part of its API. Since the majority of logic is shared and the ABI/codegen differences are relatively minor, the resulting binary could be significantly smaller than the sum of the current separate files.

Aside from faster dotnet-restore, nuget package hosting is billed per GB in Azure DevOps so these size savings would also reduce hosting costs.

Dominant language
C#
Stars
18.3k
Forks
5.6k
PR merge metrics
PR metrics pending

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

More from dotnet/runtime

All issues in dotnet/runtime

Similar issues

More C# issues

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.