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Overview

CoroGraph: Bridging Work Efficiency and Cache Efficiency for Graph Algorithm Execution

CoroGraph is a graph framework implemented based on Galois parallel library. CoroGraph aims to optimize the cache locality for irregular access patterns while maintaining the graph's preferred execution model (work efficiency).

Build CoroGraph

Dependencies

CoroGraph builds, runs, and has been tested on GNU/Linux.

  • A modern C++ compiler compliant with the C++-20 standard (gcc >= 11)
  • CMake (>= 3.13)
  • Boost library (>= 1.58.0, we recommend building/installing the full library)
  • libfmt (>= 4.0)

Compile and Run CoroGraph

SRC_DIR=`pwd` # Or top-level CoroGraph source dir
BUILD_DIR=<path-to-your-build-dir>

mkdir -p $BUILD_DIR
cmake -S $SRC_DIR -B $BUILD_DIR -DCMAKE_BUILD_TYPE=Release
cd $BUILD_DIR
make ..

Graph Input Format

We use the adjacent graph format from the Problem Based Benchmark Suite (http://www.cs.cmu.edu/~pbbs/benchmarks/graphIO.html). Example Graph Format:

AdjacencyGraph
<n>
<m>
<o0>
<o1>
...
<o(n-1)>
<e0>
<e1>
...
<e(m-1)>

Run Graph Algorithms

cd $BUILD_DIR
./app/sssp/crg-sssp -f /path/to/your/graph.adj -t <threads num> -delta <delta> 
./app/k-core/crg-kcore -f /path/to/your/graph.adj  -t <threads num>
./app/pr/crg-pr -f /path/to/your/graph.adj  -t <threads num>
./app/cc/crg-cc -f /path/to/your/graph.adj  -t <threads num>

The latest version of CoroGraph will be maintained here.