boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
SIMIX_execution_start(const char* name, double flops_amount, double priority, double bound, sg_host_t host)
{
boost::intrusive_ptr<simgrid::kernel::activity::ExecImpl>
SIMIX_execution_start(const char* name, double flops_amount, double priority, double bound, sg_host_t host)
{