diff --git a/run_script_ppi.sh b/run_script_ppi.sh
index 4f1803b..5d30095 100755
--- a/run_script_ppi.sh
+++ b/run_script_ppi.sh
@@ -1,8 +1,8 @@
 #!/bin/bash
 module purge
-module load git/2.21.0 hdf5/1.10.5-gcc cuda/10.1 conda/production
+module load git/2.21.0 hdf5/1.10.5-gcc cuda/10.1
 
-activate ShallowWaterGPU_HPC
+conda activate ShallowWaterGPU_HPC
 
-/modules/centos7/conda/Feb2021/bin/python3 mpiTesting.py
+python mpiTesting.py
 
diff --git a/singleGPUTesting.py b/singleGPUTesting.py
index fee48ac..9b383e8 100644
--- a/singleGPUTesting.py
+++ b/singleGPUTesting.py
@@ -83,7 +83,8 @@ nx = args.nx
 ny = args.ny
 
 gamma = 1.4
-save_times = np.linspace(0, 10.0, 2)
+roughness = 0.125
+save_times = np.linspace(0, 0.5, 10)
 outfile = "single_gpu_out.nc"
 save_var_names = ['rho', 'rho_u', 'rho_v', 'E']