Missing collapse statement in the omp code improves performance in th…

…e ectrans benchmark

src/trans/gpu/internal/asre1b_mod.F90

@@ -84,7 +84,7 @@ SUBROUTINE ASRE1B(KFIELD,PAOA,PSOA)
 #ifdef OMPGPU
 !WARNING: following line should be PRESENT,ALLOC but causes issues with AMD compiler!
 !$OMP TARGET DATA MAP(ALLOC:PAOA,PSOA,D_MYMS,D_NPROCL,D_NSTAGT0B,D_NPNTGTB1,G_NDGLU,FOUBUF_IN)
-!$OMP TARGET TEAMS DISTRIBUTE PARALLEL DO DEFAULT(NONE) PRIVATE(KM,ISL,IPROC,ISTAN,IGLS,IPROCS,ISTAS) &
+!$OMP TARGET TEAMS DISTRIBUTE PARALLEL DO COLLAPSE(2) DEFAULT(NONE) PRIVATE(KM,ISL,IPROC,ISTAN,IGLS,IPROCS,ISTAS) &
 !$OMP&      SHARED(D_NUMP,D_MYMS,R_NDGNH,G_NDGLU,D_NPROCL,D_NSTAGT0B,D_NPNTGTB1,KFIELD,R_NDGL,FOUBUF_IN,PAOA,PSOA)
 #endif
 #ifdef ACCGPU