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Advanced compiler optimisations: allocation, PGO, BOLT v1.0.0

Use this resource to understand and use advanced compiler optimisations beyond -O3

New

  • 326 downloads
  • 127 likes
  • 246 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install compiler-backend-optimizations-pgo

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent explains register allocation, instruction selection and loop-invariant code motion, why auto-vectorisation fails, and how to use PGO and BOLT to go beyond -O3.

Mostly picked by

Updated November 2, 2026

Card for the “Advanced compiler optimisations: allocation, PGO, BOLT” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: register allocation, instruction selection and LICM
  • SKILL.md: vectorisation limits and profiling for PGO or BOLT

Good fit for

  • A loop stays slow despite -O3 and you want to know why
  • You are considering PGO for a production application

Not for

    Tags

    • compiler
    • pgo
    • optimisation
    • llvm

    About

    You say

    “Explain why GCC doesn't vectorise this loop and whether PGO on my real dataset would help.”

    Card for the “Advanced compiler optimisations: allocation, PGO, BOLT” skill

    Skill published by mohitmishra786 under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to understand and use advanced compiler optimisations beyond -O3
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md3.4 KB

    Origin and licence

    Listed unmodified

    Author
    mohitmishra786
    Source
    github.com/mohitmishra786/low-level-dev-skills/tree/bdc58472fa9f309ed1b3f7d985a0d8e9bd8f4608/skills/compiler-internals/compiler-optimizations-deep
    Licence
    MIT

    Notice

    « compiler-optimizations-deep » (mohitmishra786, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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