> Few if any people used it, nor did it show better performance in practice. We use it for our specialized analysis framework. The real world performance gain

> Few if any people used it, nor did it show better performance in practice. We use it for our specialized analysis framework. The real world performance gain is just shy of 30% which is impressive since all it took was a bunch of compiler flags. Personally I think x32 is a vastly underused ABI. Every application that is unlikely to use more than 2GB should use it. It is literally free performance.