diff --git a/apps/benchmarks/PSM_Complex_Geometry/CROR/CROR_CPU_strong_scaling.prm b/apps/benchmarks/PSM_Complex_Geometry/CROR/CROR_CPU_strong_scaling.prm
index 106c6ef29109443f345c036768abaf8c83650db8..c8b2ca3cedc56a4f44d36a80cf66f0cbdabebc2e 100644
--- a/apps/benchmarks/PSM_Complex_Geometry/CROR/CROR_CPU_strong_scaling.prm
+++ b/apps/benchmarks/PSM_Complex_Geometry/CROR/CROR_CPU_strong_scaling.prm
@@ -8,7 +8,7 @@ Parameters
     ref_length 1.0;         //rotor radius according to mesh file
     viscosity  1.0;         //1.49e-5;
     sim_time   0.0;         //set to 0, then timesteps is used
-    mesh_size  0.008;    // Goal = 0.3 mm = 0.0003 m;
+    mesh_size  0.0048;    // Goal = 0.3 mm = 0.0003 m;
 
     timeStepStrategy   refinement;
     innerOuterSplit    <1,1,1>;
@@ -28,7 +28,7 @@ DomainSetup
    domainTransforming <  0.45 , 0,  0 >;
    cellsPerBlock      < 24, 24, 24 >;
    periodic           <  0,  1,  1 >;
-   refinementDepth    3 ;
+   refinementDepth    4 ;
 }
 
 Boundaries
diff --git a/apps/benchmarks/PSM_Complex_Geometry/CROR/CROR_GPU_strong_scaling.prm b/apps/benchmarks/PSM_Complex_Geometry/CROR/CROR_GPU_strong_scaling.prm
index c57ee30ca9a12fe76cf33ae990e003e6393de111..b2932dce350be7d76d668b02865c03c0ad1e8b78 100644
--- a/apps/benchmarks/PSM_Complex_Geometry/CROR/CROR_GPU_strong_scaling.prm
+++ b/apps/benchmarks/PSM_Complex_Geometry/CROR/CROR_GPU_strong_scaling.prm
@@ -21,12 +21,12 @@ Parameters
 
 DomainSetup
 {
-   rotationSpeed      738.173;     //rad/s
+   rotationSpeed      7.38173;     //rad/s
    rotationAxis       < 1, 0, 0 >;
 
-   domainScaling      <  0.84, 2, 2 >;   //<  0.3, 5, 5 >;
+   domainScaling      <  0.23, 4, 4 >;   //<  0.3, 5, 5 >;
    domainTransforming <  0.45 , 0,  0 >;
-   cellsPerBlock      < 59, 59, 59 >;
+   cellsPerBlock      < 128, 128, 128 >;
    periodic           <  0,  0,  0 >;
    refinementDepth    0 ;
 }