[GPU] add automatic batchsize estimation

GPy/util/gpu_init.py

@@ -0,0 +1,16 @@
+"""
+The package for scikits.cuda initialization
+
+Global variables: initSuccess
+providing CUBLAS handle: cublas_handle
+"""
+
+try:
+    import pycuda.autoinit
+    from scikits.cuda import cublas
+    import scikits.cuda.linalg as culinalg
+    culinalg.init()
+    cublas_handle = cublas.cublasCreate()
+    initSuccess = True
+except:
+    initSuccess = False