perf...

benchmarks/3d/naca12.geo

@@ -3,6 +3,7 @@
 // gmsh naca12.geo -clscale 0.3  -3  -> Elm=152411, 66 s
 // gmsh naca12.geo -clscale 0.15 -3  -> Elm=1057132, 968 s
 // gmsh naca12.geo -clscale 0.11 -3  -> Elm=2541338, 3658 s (1.6 Gb = bcp trop)
+// gmsh naca12.geo -clscale 0.09 -3  -> Elm=4770776, 19821.1 s (!)...
 lc = 0.1; 
 Point(1) = {1.000000e+00,0.000000e+00,0.000000e+00,lc}; 
 Point(2) = {9.997533e-01,0.000000e+00,-3.498543e-05,lc};