Remove code smells in comments.

Author: isazi

kernel_tuner/backends/c.py

@@ -65,7 +65,8 @@ def __init__(self, iterations=7, compiler_options=None, compiler=None):
         self.iterations = iterations
         self.max_threads = 1024
         self.compiler_options = compiler_options
-        self.compiler = compiler or "g++"  # use gcc by default
+        # if no compiler is specified, use g++ by default
+        self.compiler = compiler or "g++"
         self.lib = None
         self.using_openmp = False
         self.observers = [CRuntimeObserver(self)]

kernel_tuner/backends/cupy.py

@@ -118,7 +118,8 @@ def ready_argument_list(self, arguments):
                 alloc = cp.array(arg)
                 self.allocations.append(alloc)
                 gpu_args.append(alloc)
-            else: # if not a numpy array, just pass argument along
+            # if not a numpy array, just pass argument along
+            else:
                 gpu_args.append(arg)
         return gpu_args
 

kernel_tuner/backends/opencl.py

@@ -92,7 +92,8 @@ def ready_argument_list(self, arguments):
             # if arg i is a numpy array copy to device
             if isinstance(arg, np.ndarray):
                 gpu_args.append(cl.Buffer(self.ctx, self.mf.READ_WRITE | self.mf.COPY_HOST_PTR, hostbuf=arg))
-            else: # if not an array, just pass argument along
+            # if not an array, just pass argument along
+            else:
                 gpu_args.append(arg)
         return gpu_args
 
@@ -201,7 +202,7 @@ def memcpy_htod(self, dest, src):
         """
         if isinstance(dest, cl.Buffer):
             cl.enqueue_copy(self.queue, dest, src)
-    
+
     def copy_constant_memory_args(self, cmem_args):
         raise NotImplementedError('PyOpenCL backend does not support constant memory')
 

kernel_tuner/backends/pycuda.py

@@ -93,7 +93,8 @@ def __init__(self, device=0, iterations=7, compiler_options=None, observers=None
         """
         self.allocations = []
         self.texrefs = []
-        if not pycuda_available and isinstance(drv, PyCudaPlaceHolder):    #and part to allow mocking
+        # if not PyCuda available, check if mocking before raising exception
+        if not pycuda_available and isinstance(drv, PyCudaPlaceHolder):
             raise ImportError("Error: pycuda not installed, please install e.g. using 'pip install pycuda'.")
 
         drv.init()
@@ -162,7 +163,8 @@ def _finish_up():
 
     def __del__(self):
         for gpu_mem in self.allocations:
-            if hasattr(gpu_mem, 'free'):    #if needed for when using mocks during testing
+            # if needed for when using mocks during testing
+            if hasattr(gpu_mem, 'free'):
                 gpu_mem.free()
 
     def ready_argument_list(self, arguments):
@@ -192,7 +194,8 @@ def ready_argument_list(self, arguments):
             # pycuda does not support bool, convert to uint8 instead
             elif isinstance(arg, np.bool_):
                 gpu_args.append(arg.astype(np.uint8))
-            else:    # if not an array, just pass argument along
+            # if not an array, just pass argument along
+            else:
                 gpu_args.append(arg)
         return gpu_args