diff --git a/Generator(forGPU)/gen_quantum_mp.py b/Generator(forGPU)/gen_quantum_mp.py
index 1a3ce31..ee602b8 100644
--- a/Generator(forGPU)/gen_quantum_mp.py
+++ b/Generator(forGPU)/gen_quantum_mp.py
@@ -101,7 +101,8 @@ def _setup_simulator(self):
         except Exception as e:
             self.backend = AerSimulator(method='statevector', device='CPU')
             self.gpu_available = False
-            print(f"[CPU] Using CPU (GPU not available: {str(e)[:50]})")
+            error_msg = str(e)[:80]
+            print(f"[CPU] Using CPU (GPU not available: {error_msg})")
 
         # Qiskit 2.x: Use StatevectorSampler (no backend parameter needed)
         self.sampler = StatevectorSampler()
@@ -597,7 +598,7 @@ def worker_generate_sample(args):
     """Worker function for multiprocessing"""
     sample_id, n_nodes, edge_prob, problem_type, p, seed, use_gpu = args
 
-    gen = MultiProblemQuantumGenerator(seed=seed, use_gpu=False, n_workers=1)
+    gen = MultiProblemQuantumGenerator(seed=seed, use_gpu=use_gpu, n_workers=1)
     sample = gen.generate_single_sample(sample_id, n_nodes, edge_prob, problem_type, p, seed)
 
     if sample:
diff --git a/Generator(forGPU)/requirements.txt b/Generator(forGPU)/requirements.txt
new file mode 100644
index 0000000..5d9d09b
--- /dev/null
+++ b/Generator(forGPU)/requirements.txt
@@ -0,0 +1,18 @@
+# Core dependencies
+numpy>=1.21.0
+networkx>=2.6
+scipy>=1.7.0
+
+# Qiskit quantum computing framework
+qiskit>=1.0.0
+qiskit-algorithms>=0.3.0
+qiskit-aer>=0.14.0
+
+# GPU support (optional but recommended for performance)
+# Uncomment the line below if you have NVIDIA GPU with CUDA support
+# qiskit-aer-gpu>=0.14.0
+
+# Development tools (optional)
+# pytest>=7.0.0
+# black>=22.0.0
+# pylint>=2.10.0