openwall / openwall/john

Try -mtune=generic

Open
#2,675 1 comment 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

enhancement
Dominant language
C
Stars
13.6k
Forks
2.6k
PR merge metrics
No merged PRs in 30d

Description

See #2674. We should see if this produces faster code in some cases.

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.

Research direction

Start with issue #2674 and the project's compiler and build configuration; no specific source file or test is named here. Compare builds with and without -mtune=generic across relevant workloads, and consider the issue done only if the benchmark results show a clear benefit.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
compilers, performance
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.