add deviceQuery alternative on pure python

CUDA/deviceQuery.py

+# from https://stackoverflow.com/questions/5730010/pycuda-querying-device-status-memory-specifically
+import pycuda.autoinit
+import pycuda.driver as cuda
+
+(free,total)=cuda.mem_get_info()
+print("Global memory occupancy:%f%% free"%(free*100/total))
+
+for devicenum in range(cuda.Device.count()):
+    device=cuda.Device(devicenum)
+    attrs=device.get_attributes()
+
+    #Beyond this point is just pretty printing
+    print("\n===Attributes for device %d"%devicenum)
+    for (key,value) in attrs.iteritems():
+        print("%s:%s"%(str(key),str(value)))