max mmap regions = 58
max mmap bytes = 183640064
+sizeof(SMDS_MeshElement) 16
+sizeof(SMDS_MeshNode) 24
+sizeof(SMDS_MeshCell) 24
+sizeof(SMDS_VolumeVtkNodes) 24
+sizeof(SMDS_Position) 16
+sizeof(SMDS_SpacePosition) 16
+
+impact d'un int en plus dans SMDS_MeshElement --> 426 - 33 = 393M
+---------------------------------------------
+
+sizeof(SMDS_MeshElement) 24
+sizeof(SMDS_MeshNode) 32 --> on retrouve bien les 8M
+sizeof(SMDS_MeshCell) 24
+sizeof(SMDS_VolumeVtkNodes) 24
+sizeof(SMDS_Position) 16
+sizeof(SMDS_SpacePosition) 16
+
+Total (incl. mmap):
+system bytes = 43192320
+in use bytes = 32681088 : 33M
+max mmap regions = 41
+max mmap bytes = 16371712
+----
+Total (incl. mmap):
+system bytes = 429334528
+in use bytes = 426424576 : 426M
+max mmap regions = 59
+max mmap bytes = 184692736