diff --git a/dataloader.py b/dataloader.py
index 6ca33af..0f12bc2 100644
--- a/dataloader.py
+++ b/dataloader.py
@@ -28,6 +28,7 @@ def create_dataloader(N: int = 50, **kwargs):
 def create_gray_supplement(N: int = 50):
     linear_space = torch.linspace(0, 1, N)
     gray_tensor = linear_space.unsqueeze(1).repeat(1, 3)
+    gray_tensor = preprocess_data(gray_tensor)
     return [(gray_tensor[i], f"gray{i/N:2.4f}") for i in range(len(gray_tensor))]
 
 
diff --git a/search.py b/search.py
index bd956f4..f73f8fc 100644
--- a/search.py
+++ b/search.py
@@ -1,8 +1,11 @@
+import subprocess
+import sys
 from random import sample
 
+import numpy as np
 from lightning_sdk import Machine, Studio
 
-NUM_JOBS = 21
+NUM_JOBS = 64
 
 # reference to the current studio
 # if you run outside of Lightning, you can pass the Studio name
@@ -15,7 +18,7 @@ job_plugin = studio.installed_plugins["jobs"]
 # do a sweep over learning rates
 
 # Define the ranges or sets of values for each hyperparameter
-alpha_values = [0.1, 0.25, 0.5, 0.7, 0.9]
+alpha_values = list(np.round(np.linspace(0, 2, 21), 4))
 learning_rate_values = [1e-3, 1e-4, 1e-5]
 batch_size_values = [128]
 max_epochs_values = [5000]
@@ -31,7 +34,7 @@ all_params = [
 
 
 # perform random search with a limit
-search_params = sample(all_params, NUM_JOBS)
+search_params = sample(all_params, min(NUM_JOBS, len(all_params)))
 
 for idx, params in enumerate(search_params):
     a, lr, bs, me = params
@@ -39,4 +42,9 @@ for idx, params in enumerate(search_params):
     job_name = f"color2_{bs}_{a}_{lr:2.2e}"
     # job_plugin.run(cmd, machine=Machine.T4, name=job_name)
     print(f"Running {params}: {cmd}")
-    os.system(cmd)
+    try:
+        # Run the command and wait for it to complete
+        subprocess.run(cmd, shell=True, check=True)
+    except KeyboardInterrupt:
+        print("Interrupted by user")
+        sys.exit(1)