Make topi cuda nms_gpu method signature similar to non_max_suppression (#2780)

topi/python/topi/cuda/nms.py

@@ -182,8 +182,15 @@ def nms_ir(data, sort_result, valid_count, out, nms_threshold, force_suppress, n
 
 
 @non_max_suppression.register(["cuda", "gpu"])
-def nms_gpu(data, valid_count, return_indices, iou_threshold=0.5, force_suppress=False,
-            topk=-1, id_index=0, invalid_to_bottom=False):
+def nms_gpu(data,
+            valid_count,
+            max_output_size=-1,
+            iou_threshold=0.5,
+            force_suppress=False,
+            top_k=-1,
+            id_index=0,
+            return_indices=True,
+            invalid_to_bottom=False):
     """Non-maximum suppression operator for object detection.
 
     Parameters
@@ -205,7 +212,7 @@ def nms_gpu(data, valid_count, return_indices, iou_threshold=0.5, force_suppress
     force_suppress : optional, boolean
         Whether to suppress all detections regardless of class_id.
 
-    topk : optional, int
+    top_k : optional, int
         Keep maximum top k detections before nms, -1 for no limit.
 
     id_index : optional, int
@@ -229,7 +236,7 @@ def nms_gpu(data, valid_count, return_indices, iou_threshold=0.5, force_suppress
         valid_count = tvm.placeholder((dshape[0],), dtype="int32", name="valid_count")
         iou_threshold = 0.7
         force_suppress = True
-        topk = -1
+        top_k = -1
         out = nms(data, valid_count, iou_threshold, force_suppress, topk)
         np_data = np.random.uniform(dshape)
         np_valid_count = np.array([4])
@@ -273,7 +280,7 @@ def nms_gpu(data, valid_count, return_indices, iou_threshold=0.5, force_suppress
                    [data, sort_tensor, valid_count],
                    lambda ins, outs: nms_ir(
                        ins[0], ins[1], ins[2], outs[0], iou_threshold,
-                       force_suppress, topk),
+                       force_suppress, top_k),
                    dtype="float32",
                    in_buffers=[data_buf, sort_tensor_buf, valid_count_buf],
                    tag="nms")