Changeset 10172 for NEMO/branches/2018/dev_r10164_HPC09_ESIWACE_PREP_MERGE/src/OCE/LBC/lib_mpp.F90

Timestamp:

2018-10-04T17:32:54+02:00 (6 years ago)

Author:

smasson

Message:

dev_r10164_HPC09_ESIWACE_PREP_MERGE: action 2b: improve of timing, add computing and waiting time, see #2133

File:

• NEMO/branches/2018/dev_r10164_HPC09_ESIWACE_PREP_MERGE/src/OCE/LBC/lib_mpp.F90 (modified) (2 diffs)

NEMO/branches/2018/dev_r10164_HPC09_ESIWACE_PREP_MERGE/src/OCE/LBC/lib_mpp.F90

@@ -170 +170 @@
    INTEGER, PUBLIC                               ::   n_sequence = 0               !: # of communicated arrays
    LOGICAL                                       ::   l_comm_report_done = .false. !: print report only once
-
+   
+   ! timing summary report
+   REAL(wp), PUBLIC ::  waiting_time = 0._wp, compute_time = 0._wp, elapsed_time = 0._wp
+   
    REAL(wp), DIMENSION(:), ALLOCATABLE, SAVE ::   tampon   ! buffer in case of bsend
 
@@ -1609 +1612 @@
       !
    END SUBROUTINE mpp_lnk_2d_icb
+
+   
+   SUBROUTINE tic_tac (l_tic)
+
+    LOGICAL, INTENT(IN) :: l_tic
+    REAL(wp), SAVE :: tic_wt, tic_ct = 0._wp
+
+    IF( ncom_stp <= nit000 ) RETURN
+    IF( ncom_stp == nitend ) RETURN
+    
+#if defined key_mpp_mpi
+    IF ( l_tic ) THEN
+       tic_wt = MPI_Wtime()                                                        ! start count tic->tac (waiting time)
+       IF ( tic_ct > 0.0_wp ) compute_time = compute_time + MPI_Wtime() - tic_ct   ! cumulate count tac->tic
+    ELSE
+       waiting_time = waiting_time + MPI_Wtime() - tic_wt                          ! cumulate count tic->tac
+       tic_ct = MPI_Wtime()                                                        ! start count tac->tic (waiting time)
+    ENDIF
+#endif
+    
+   END SUBROUTINE tic_tac
+
    
 #else