There is overhead, and applications that don't use the FPU avoid that overhead. https://www.netbsd.org/docs/kernel/lazyfpu.html https://www.netbsd.org/docs/kern

There is overhead, and applications that don't use the FPU avoid that overhead. https://www.netbsd.org/docs/kernel/lazyfpu.html https://www.netbsd.org/docs/kernel/lazyfpu.html