void measure(const struct t0 *t0, struct info *i)
{
struct t0 t1;
int rc;
E(clock_gettime(CLOCK_MONOTONIC_RAW, &t1.ts));
E(getrusage(RUSAGE_SELF, &t1.ru));
i->wall_s = delta2_s(&t0->ts, &t1.ts);
i->cpu_user_s = delta_s(&t0->ru.ru_utime, &t1.ru.ru_utime);
i->cpu_sys_s = delta_s(&t0->ru.ru_stime, &t1.ru.ru_stime);
i->iops_r = t1.ru.ru_inblock - t0->ru.ru_inblock;
i->iops_w = t1.ru.ru_oublock - t0->ru.ru_oublock;
i->iops_pf = t1.ru.ru_majflt - t0->ru.ru_majflt
+ t1.ru.ru_minflt - t0->ru.ru_minflt;
}
virtual double eval_jac_int_s( const double s )
{
double d = delta_s(s);
return -2. * d; // d' is 1
}
virtual double eval_g_int_s( const double s )
{
const double d = delta_s(s);
return 1. - d * d;
}
