Changeset 3751 for LMDZ6/branches/Optimisation_LMDZ

Timestamp:

Jul 8, 2020, 7:49:06 PM (4 years ago)

Author:

adurocher

Message:

Check if field is active before omp_gather (dynamic check)

At each timestep and for every field xios_field_is_active( <field>, at_current_timestep_arg=.true.) is called

File:

• LMDZ6/branches/Optimisation_LMDZ/libf/phylmd/iophy.F90 (modified) (6 diffs)

LMDZ6/branches/Optimisation_LMDZ/libf/phylmd/iophy.F90

@@ -975 +975 @@
   USE mod_grid_phy_lmdz, ONLY : nbp_lon, nbp_lat, grid_type, unstructured, regular_lonlat
 #ifdef CPP_XIOS
-  USE xios, ONLY: xios_send_field
+  USE xios, ONLY: xios_send_field, xios_field_is_active
 #endif
   USE print_control_mod, ONLY: lunout, prt_level
@@ -996 +996 @@
   INTEGER :: ip
   REAL, ALLOCATABLE, DIMENSION(:) :: fieldok
+  logical, save :: is_active = .true.
 
   IF (check_dim .AND. is_master) WRITE(lunout,*)'histwrite2d_phy for ',trim(var%name)
@@ -1035 +1036 @@
 
   ELSE
+    IF (ok_all_xml) THEN
+      !$omp barrier
+      !$omp master
+      is_active = xios_field_is_active(var%name, at_current_timestep_arg=.true.)
+      !$omp end master
+      !$omp barrier
+      IF(.not. is_active) RETURN
+    ENDIF
 
     !Et sinon on.... écrit
@@ -1176 +1185 @@
   USE mod_grid_phy_lmdz, ONLY : nbp_lon, nbp_lat, grid_type, regular_lonlat, unstructured
 #ifdef CPP_XIOS
-  USE xios, ONLY: xios_send_field
+  USE xios, ONLY: xios_send_field, xios_field_is_active
 #endif
   USE print_control_mod, ONLY: prt_level,lunout
@@ -1195 +1204 @@
   INTEGER, ALLOCATABLE, DIMENSION(:) :: index3d
   REAL,ALLOCATABLE, DIMENSION(:,:) :: fieldok
+  logical, save :: is_active = .true.
 
   IF (check_dim .AND. is_master) WRITE(lunout,*)'histwrite3d_phy for ', trim(var%name)
@@ -1222 +1232 @@
       CALL bcast_omp(swaerofree_diag)
   ELSE
+    IF (ok_all_xml) THEN
+      !$omp barrier
+      !$omp master
+      is_active = xios_field_is_active(var%name, at_current_timestep_arg=.true.)
+      !$omp end master
+      !$omp barrier
+      IF(.not. is_active) RETURN
+    ENDIF
+
     !Et sinon on.... écrit
-
     IF (SIZE(field,1)/=klon .AND. SIZE(field,1)/=klev .AND. SIZE(field,1)/=klev+1) CALL abort_physic('iophy::histwrite3d_phy','Field first DIMENSION not equal to klon/klev',1)