https://github.com/google/llvm-propeller

PROPELLER: Profile Guided Optimizing Large Scale LLVM-based Relinker
https://github.com/google/llvm-propeller

Last synced: 3 months ago
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PROPELLER: Profile Guided Optimizing Large Scale LLVM-based Relinker

• Host: GitHub
• URL: https://github.com/google/llvm-propeller
• Owner: google
• License: apache-2.0
• Created: 2019-09-09T17:16:49.000Z (about 5 years ago)
• Default Branch: main
• Last Pushed: 2024-08-01T17:28:10.000Z (3 months ago)
• Last Synced: 2024-08-01T19:52:53.799Z (3 months ago)
• Language: Shell
• Homepage: https://github.com/google/llvm-propeller/blob/plo-dev/Propeller_RFC.pdf
• Size: 39.1 KB
• Stars: 342
• Watchers: 18
• Forks: 34
• Open Issues: 17
• Metadata Files:
  • Readme: README.md
  • License: LICENSE
  • Authors: AUTHORS

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README

        
## Propeller: A Profile Guided, Relinking Optimizer for Warehouse Scale Applications

Hardware requirements

```

Intel Skylake or newer.

32 GB of RAM or more.

Access to hardware performance counters using linux perf.

```

To run the experiments for Artifact Evaluation

```

$ cd llvm-propeller/ArtifactEvaluation

$ Scripts/optimize_clang.sh

# Generate heatmap

$ Scripts/gen_heatmap.sh

# Expected contents of Results

# Contents of Results

$ Results

    mem_bolt_profile_conversion.txt

    mem_propeller_profile_conversion.txt

    mem_bolt_rewrite.txt

    mem_propeller_build.txt

    perf_clang_baseline.txt

    perf_clang_propeller.txt

    perf_clang_bolt.txt

    clang-fdo-heatmap.png

    clang-propeller-heatmap.png

    clang-bolt-heatmap.png

    sizes_clang.txt

```