XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_bench, smpi, "Logging specific to SMPI (benchmarking)");
+static simgrid::config::Flag<double>
+ smpi_wtime_sleep("smpi/wtime",
+ "Minimum time to inject inside a call to MPI_Wtime(), gettimeofday() and clock_gettime()",
+ 1e-6 /* Documented to be 1ms */);
+
double smpi_cpu_threshold = -1;
double smpi_host_speed;
double smpi_total_benched_time = 0;
extern "C" XBT_PUBLIC void smpi_execute_flops_(double* flops);
-extern "C" XBT_PUBLIC simgrid::config::Flag<double> smpi_wtime_sleep;
void smpi_execute_flops_(double *flops)
{
smpi_total_benched_time += xbt_os_timer_elapsed(timer);
}
-/* Private sleep function used by smpi_sleep() and smpi_usleep() */
+/* Private sleep function used by smpi_sleep(), smpi_usleep() and friends */
static unsigned int private_sleep(double secs)
{
smpi_bench_end();
tv->tv_usec = static_cast<suseconds_t>((now - tv->tv_sec) * 1e6);
#endif
}
- if(smpi_wtime_sleep > 0)
+ if (smpi_wtime_sleep > 0)
simcall_process_sleep(smpi_wtime_sleep);
smpi_bench_begin();
return 0;
tp->tv_sec = static_cast<time_t>(now);
tp->tv_nsec = static_cast<long int>((now - tp->tv_sec) * 1e9);
}
- if(smpi_wtime_sleep > 0)
+ if (smpi_wtime_sleep > 0)
simcall_process_sleep(smpi_wtime_sleep);
smpi_bench_begin();
return 0;
}
#endif
+double smpi_mpi_wtime()
+{
+ double time;
+ if (smpi_process()->initialized() && not smpi_process()->finalized() && not smpi_process()->sampling()) {
+ smpi_bench_end();
+ time = SIMIX_get_clock();
+ if (smpi_wtime_sleep > 0)
+ simcall_process_sleep(smpi_wtime_sleep);
+ smpi_bench_begin();
+ } else {
+ time = SIMIX_get_clock();
+ }
+ return time;
+}
+
extern double sg_surf_precision;
unsigned long long smpi_rastro_resolution ()
{