pthread_self() pretty much returns a thread-local variable. Short of inlining the function to one mov instruction, I don't think it's possible to make it faster

pthread_self() pretty much returns a thread-local variable. Short of inlining the function to one mov instruction, I don't think it's possible to make it faster. (Source: http://koala.cs.pub.ro/lxr/glibc/nptl/pthread_self.c http://koala.cs.pub.ro/lxr/glibc/nptl/pthread_self.c and http://koala.cs.pub.ro/lxr/glibc/nptl/sysdeps/x86_64/tls.h#L172 http://koala.cs.pub.ro/lxr/glibc/nptl/sysdeps/x86_64/tls.h#L...)