icemelon9 commented on a change in pull request #4312:
URL: https://github.com/apache/incubator-tvm/pull/4312#discussion_r435004444
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File path: src/relay/transforms/combine_parallel_conv2d.cc
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@@ -164,19 +164,40 @@ class ParallelConv2DCombiner : public ParallelOpCombiner {
void UpdateGroupOutput(const Expr& data, const Group& branches, size_t depth,
ExprSubstMap* subst_map) {
int64_t index = 0;
+
for (const auto& branch : branches) {
const CallNode* conv2d = branch[0];
int64_t channels = GetConv2DSuperChannelsDim(conv2d);
Array<Integer> begin;
Array<Integer> end;
for (size_t i = 0; i < channel_pos_; i++) {
begin.push_back(0);
- end.push_back(NullValue<Integer>());
+ end.push_back(-1);
}
begin.push_back(index);
index += channels;
end.push_back(index);
- auto slice = MakeStridedSlice(data, std::move(begin), std::move(end),
Array<Integer>{});
+ DLContext ctx;
+ ctx.device_type = kDLCPU;
+ ctx.device_id = 0;
+ auto begin_ndarray = runtime::NDArray::Empty({int64_t(begin.size())},
DataType::Int(64), ctx);
+ auto end_ndarray = runtime::NDArray::Empty({int64_t(begin.size())},
DataType::Int(64), ctx);
+ auto strides_ndarray =
Review comment:
Could consider adding a helper function such as `VectorToNDArray`
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