In this test case, instead of 32x faster with 32 threads, it’s only 1.3x faster. “Which means that 30 of the cores are idle and you are wasting your money,” he adds. … The move to Ptex is driven by issues with taking a 3D ‘skin’ and flattening it to a 2D flat representation – traditionally as a UV mapping. Namely that: faces don’t flatten nicely, this is inherent with a 3D surface in a 2D world th