Is the function itself slow or is it slow because of the call overhead of libffi?
/Emil 2012/6/3 Ru Vuott <vu...@yahoo.it> > Hello Benoit, > > simply for a test I've made this simple C "shared library" .so (with > inline assembler code). I noted that if I use it from a Gambas program > (with Extern) it's very slow. Why? > > static unsigned int car asm("raxregistro"); > static unsigned int cbr asm("rbxregistro"); > int hello(int numero) { > cbr=numero; > asm("mov rbxregistro(%rip),%eax"); > asm("ciclo:"); > asm("dec %eax"); > asm("jne ciclo"); > asm("mov %eax,raxregistro(%rip)"); > return car; > } > > Bye > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Gambas-user mailing list > Gambas-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/gambas-user > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user