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["Laurent Rineau (CGAL/GeometryFactory)" <>]

On Thursday, May 9, 2019 9:46:31 AM CEST Chen Zhenghai wrote:
> int main()
> {
>       std::cout.precision(17);
>       std::cerr.precision(17);
> 
>       char *fname = "fn";
>       std::ifstream input(fname);
>       char* fname2 = "fn2";
>       std::ifstream input2(fname2);
>       Polyhedron sm, smbounding;
>       input >> sm;
>       input2 >> smbounding;
>       if (input.fail()) {
>               std::cerr << "Error: Cannot read file " << fname << std::endl;
>               std::cin.get();
>               return 0;
>       }
> 
>       // Create domain
>       Mesh_domain domain(sm, smbounding);
> 
>       // Get sharp features
>       domain.detect_features();
> 
>       Mesh_criteria criteria(
>               edge_size = 5,
>               facet_distance = 1,
>               cell_radius_edge_ratio = 1.414);
> 
>       // Mesh generation
>       C3t3 c3t3 = CGAL::make_mesh_3<C3t3>(domain, criteria,
>               no_perturb(), no_exude());
> }

Hi,

What were the two input files you used? Maybe with those criteria the meshing 
process was either too short to exploit the parallelism, or it was dominated 
by the non-parallel pre-processing stage. If you share the input files, I can 
try to measure that.

-- 
Laurent Rineau, PhD
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/
Release Manager of the CGAL Project       http://www.cgal.org/