python/singa/layer.py (5 lines):
	- line 243: # TODO: remove the attr from dict first
	- line 292: # TODO: replace current with
	- line 305: # TODO: for backward compatibility, to remove
	- line 612: # TODO valid value of inner_params check
	- line 710: # sanitize the device of params/states, TODO: better to decorate forward()


src/core/device/opencl_func.h (4 lines):
	- line 74: "stride_h + 1, height_col);\n    \n    // TODO: use LCM of stride and "
	- line 720: "sdata[0];\n  }\n}\n\n\n/* TODO: Fix line 284:20.\n__kernel\nvoid "
	- line 782: "}\n}\n\n// TODO: Optimize with Reference from "
	- line 830: "get_global_id(1);\n\n  // TODO: This\n}\n\n__kernel\nvoid "


python/singa/autograd.py (4 lines):
	- line 120: # TODO: this fn is only helper for test case for now.
	- line 171: # TODO src and dx must match
	- line 278: # TODO add the pre hook
	- line 313: # TODO add the post hook


src/core/tensor/tensor_math_opencl.cl (3 lines):
	- line 273: /* TODO: Fix line 284:20.
	- line 419: // TODO: Optimize with Reference from http://www.cedricnugteren.nl/tutorial.php?page=1
	- line 525: // TODO: This


python/singa/opt.py (3 lines):
	- line 46: # TODO should be an in-place operator
	- line 89: # TODO change type to int32
	- line 287: # TODO add branch operator


src/model/operation/rnn.cc (3 lines):
	- line 45: // TODO: batch first mode failed in cudnn
	- line 92: weights_size = weights_size_bytes / sizeof(float);  // TODO different types
	- line 94: dimW[0] = weights_size;  // TODO different types


python/singa/tensor.py (1 line):
	- line 1336: ''' function TODO list to finish the function in cpp(just like numpy function):


include/singa/core/device.h (1 line):
	- line 255: // TODO: Constructor arguments to consider:


src/model/layer/im2col.cl (1 line):
	- line 69: // TODO: use LCM of stride and dilation to avoid unnecessary loops


src/core/tensor/tensor_math_cuda.h (1 line):
	- line 63: // TODO: check other side effects