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README_Julia.md

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Patatrack Julia Serial Implementation

This is a Julia implementation of the Patatrack benchmark for CMS pixel reconstruction.

Prerequisites

  • Julia 1.11.5 or later (installed automatically)
  • Required Julia packages (installed automatically)
  • Data files (downloaded automatically)

Installation

  1. Clone the repository:

    git clone https://github.com/cms-patatrack/pixeltrack-standalone.git

  2. Setup the environment:

    make julia-serial

    This will:

    • download and install Julia 1.11.5 from the official website
    • download and install required Julia packages
    • download and extract the necessary data files

Running the code

Run the code from the top-level directory after loading the runtime environment:

source env.sh
./julia-serial

Command Line Options

Usage: ./julia-serial [--numberOfStreams NS] [--warmupEvents WE] [--maxEvents ME] [--runForMinutes RM]
       [--data PATH] [--validation] [--histogram] [--empty]

For more information, run ./julia-seria --help.

Examples

Process 100 events with validation:

./julia-serial --maxEvents 100 --validation

Run for 5 minutes with 8 streams:

./julia-serial --runForMinutes 5 --numberOfStreams 8

Troubleshooting

Common Issues

  1. julia: command not found" Load the runtime environment:

    source env.sh

  2. Package installation fails:

    julia --project=src/julia-serial -e 'using Pkg; Pkg.instantiate()'

  3. Precompilation gets stuck:

    rm -rf external/julia/depot/compiled/
julia --project=src/julia-serial -e 'using Pkg; Pkg.precompile()'

Building a Standalone Application - Work in progress

To create a standalone application:

cd src/julia-serial
julia --project=. compile_app.jl

The executable will be created in src/julia-serial/compile/bin/julia_main.exe.