Faster DP_fiber with GPU processing... Run test\gpu_cpu_comparison.m to see difference on your setup

Classes/02_optical/dp_fiber_lib/canUseGPU.m

@@ -0,0 +1,20 @@
+function canUse = canUseGPU()
+%CANUSEGPU Check if a compatible GPU is available for parallel computing
+%   Returns true if MATLAB Parallel Computing Toolbox is available and
+%   a CUDA-capable GPU is detected.
+
+canUse = false;
+
+% Check if Parallel Computing Toolbox is installed
+if ~license('test', 'Distrib_Computing_Toolbox')
+    return;
+end
+
+% Check for GPU device
+try
+    gpu = gpuDevice();
+    canUse = gpu.DeviceSupported;
+catch
+    canUse = false;
+end
+end