[TOPI] Update parameter name of conv2d (#1380)

nnvm/python/nnvm/testing/darknet.py

@@ -9,8 +9,8 @@ These are utility functions used for testing and tutorial file.
 from __future__ import division
 import math
 import numpy as np
-import cv2
 from cffi import FFI
+import cv2
 
 def _resize_image(img, w_in, h_in):
     """Resize the image to the given height and width."""

topi/python/topi/nn/conv2d.py

-# pylint: disable=invalid-name, unused-variable, too-many-locals, unused-argument
+# pylint: disable=invalid-name, unused-variable, too-many-locals
+# pylint: disable=unused-argument, redefined-builtin
 """Conv2D operators"""
 from __future__ import absolute_import as _abs
 from collections import namedtuple
@@ -75,7 +76,7 @@ _WORKLOADS = [
 _CONV_SCHEDULE = {}
 
 @tvm.target.generic_func
-def conv2d(data, kernel, stride, padding, layout='NCHW', out_dtype=None):
+def conv2d(input, filter, strides, padding, layout='NCHW', out_dtype=None):
     """Conv2D operator.
 
     Parameters
@@ -86,7 +87,7 @@ def conv2d(data, kernel, stride, padding, layout='NCHW', out_dtype=None):
     filter : tvm.Tensor
         4-D with shape [num_filter, in_channel, filter_height, filter_width]
 
-    stride : int or a list/tuple of two ints
+    strides : int or a list/tuple of two ints
         stride size, or [stride_height, stride_width]
 
     padding : int or a list/tuple of two ints
@@ -103,11 +104,11 @@ def conv2d(data, kernel, stride, padding, layout='NCHW', out_dtype=None):
     # search platform specific declaration first
     # default declaration
     if layout == 'NCHW':
-        return conv2d_nchw(data, kernel, stride, padding, out_dtype)
+        return conv2d_nchw(input, filter, strides, padding, out_dtype)
     elif layout == 'HWCN':
-        return conv2d_hwcn(data, kernel, stride, padding, out_dtype)
+        return conv2d_hwcn(input, filter, strides, padding, out_dtype)
     elif layout == 'NHWC':
-        return conv2d_nhwc(data, kernel, stride, padding, out_dtype)
+        return conv2d_nhwc(input, filter, strides, padding, out_dtype)
     else:
         raise ValueError("not support this layout {} yet".format(layout))
 

topi/python/topi/rasp/conv2d.py

@@ -2,7 +2,6 @@
 """Conv2D schedule on raspberry pi"""
 from __future__ import absolute_import as _abs
 import tvm
-from tvm import target as _target
 from .. import tag
 from ..nn.conv2d import conv2d as _conv2d, _get_schedule
 from ..nn.conv2d import SpatialPack, Im2ColPack
@@ -201,8 +200,6 @@ def _schedule_im2col_conv2d(s, data, data_pad, data_col, data_vec,
     else:
         stride = infer_stride(data_pad, kernel, output)
     wkl = _get_workload(data, kernel, stride, padding, output.dtype)
-
-    with _target.rasp():
     sch = _get_schedule(wkl)
 
     H, W = wkl.height, wkl.width