portable-cfd

Accelarate computational fluid dynamics with ISO C++ parallel algorithms.

Environment

Ubuntu 22.04.2

NVIDIA HPC SDK 23.3

Build

parallel on CPU with TBB

g++ -std=c++20 -Ofast -ltbb -march=native -DNDEBUG -o heat.out diffusion/heat.cpp 

parallel on CPU with nvc++ compiler

nvc++ -stdpar=multicore -std=c++20 -O4 -fast -march=native -Mllvm-fast -DNDEBUG -o heat.out diffusion/heat.cpp

parallel on GPU with nvc++ compiler

nvc++ -stdpar=gpu -std=c++20 -O4 -fast -march=native -Mllvm-fast -DNDEBUG -o heat.out diffusion/heat.cpp