Back when it was on the PL shootout, ATS was consistently in the top five for performance. However, it was also consistently the worst in program size, comparab

Back when it was on the PL shootout, ATS was consistently in the top five for performance. However, it was also consistently the worst in program size, comparable to Ada (but even more loquacious). Between that and the lack of existing uptake it would probably be difficult for QEMU to adopt.