# HPC Homework 5 — N-body (Serial + OpenMP)

This project benchmarks an N-body gravitational simulation:

1) Serial C++ baseline (src/nbody.cc)

2) OpenMP shared-memory version (src/nbody\_omp.cc)

## Build (local or HPC)

Serial:

g++ -O3 -std=c++17 src/nbody.cc -o nbody

./nbody 128