diff --git a/config.py b/config.py
index 2f64e13..9584c29 100644
--- a/config.py
+++ b/config.py
@@ -1,20 +1,62 @@
 import argparse
 import sys
 import torch
+import json
 from multiprocessing import cpu_count
 
+global usefp16
+usefp16 = False
 
 def use_fp32_config():
-    for config_file in ["32k.json", "40k.json", "48k.json"]:
-        with open(f"configs/{config_file}", "r") as f:
-            strr = f.read().replace("true", "false")
-        with open(f"configs/{config_file}", "w") as f:
-            f.write(strr)
-    with open("trainset_preprocess_pipeline_print.py", "r") as f:
-        strr = f.read().replace("3.7", "3.0")
-    with open("trainset_preprocess_pipeline_print.py", "w") as f:
-        f.write(strr)
+    usefp16 = False
+    device_capability = 0
+    if torch.cuda.is_available():
+        device = torch.device("cuda:0")  # Assuming you have only one GPU (index 0).
+        device_capability = torch.cuda.get_device_capability(device)[0]
+        if device_capability >= 7:
+            usefp16 = True
+            for config_file in ["32k.json", "40k.json", "48k.json"]:
+                with open(f"configs/{config_file}", "r") as d:
+                    data = json.load(d)
 
+                if "train" in data and "fp16_run" in data["train"]:
+                    data["train"]["fp16_run"] = True
+
+                with open(f"configs/{config_file}", "w") as d:
+                    json.dump(data, d, indent=4)
+                
+                print(f"Set fp16_run to true in {config_file}")
+            
+            with open("trainset_preprocess_pipeline_print.py", "r", encoding="utf-8") as f:
+                strr = f.read()
+            
+            strr = strr.replace("3.0", "3.7")
+            
+            with open("trainset_preprocess_pipeline_print.py", "w", encoding="utf-8") as f:
+                f.write(strr)
+        else:
+            for config_file in ["32k.json", "40k.json", "48k.json"]:
+                with open(f"configs/{config_file}", "r") as f:
+                    data = json.load(f)
+
+                if "train" in data and "fp16_run" in data["train"]:
+                    data["train"]["fp16_run"] = False
+                
+                with open(f"configs/{config_file}", "w") as d:
+                    json.dump(data, d, indent=4)
+                
+                print(f"Set fp16_run to false in {config_file}")
+            
+            with open("trainset_preprocess_pipeline_print.py", "r", encoding="utf-8") as f:
+                strr = f.read()
+            
+            strr = strr.replace("3.7", "3.0")
+            
+            with open("trainset_preprocess_pipeline_print.py", "w", encoding="utf-8") as f:
+                f.write(strr)
+    else:
+        print("CUDA is not available. Make sure you have an NVIDIA GPU and CUDA installed.")
+    return (usefp16, device_capability)
 
 class Config:
     def __init__(self):
@@ -95,9 +137,9 @@ class Config:
             ):
                 print("Found GPU", self.gpu_name, ", force to fp32")
                 self.is_half = False
-                use_fp32_config()
             else:
                 print("Found GPU", self.gpu_name)
+                use_fp32_config()
             self.gpu_mem = int(
                 torch.cuda.get_device_properties(i_device).total_memory
                 / 1024
@@ -143,4 +185,4 @@ class Config:
             x_center = 30
             x_max = 32
 
-        return x_pad, x_query, x_center, x_max
+        return x_pad, x_query, x_center, x_max
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