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refactor: Use safer backend APIs #149

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merged 1 commit into from
May 7, 2025
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refactor: Use safer backend APIs #149

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16 changes: 12 additions & 4 deletions src/libtorch.cc
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2019-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// Copyright 2019-2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
Expand Down Expand Up @@ -2105,7 +2105,11 @@ ModelInstanceState::SetInputTensors(
input, nullptr, nullptr, &input_shape,
&input_dims_count, nullptr, nullptr));

batchn_shape[0] += GetElementCount(input_shape, input_dims_count);
int64_t element_cnt = 0;
RESPOND_AND_SET_NULL_IF_ERROR(
&((*responses)[idx]),
GetElementCount(input_shape, input_dims_count, &element_cnt));
batchn_shape[0] += element_cnt;
}
} else {
batchn_shape =
Expand Down Expand Up @@ -2160,7 +2164,10 @@ ModelInstanceState::SetInputTensors(
input, HostPolicyName().c_str(), nullptr, nullptr, &shape,
&dims_count, nullptr, &buffer_count));

const int64_t batch_element_cnt = GetElementCount(shape, dims_count);
int64_t batch_element_cnt = 0;
RESPOND_AND_SET_NULL_IF_ERROR(
&((*responses)[idx]),
GetElementCount(shape, dims_count, &batch_element_cnt));

*cuda_copy |= SetStringInputTensor(
&input_list, input, input_name, buffer_count, batch_element_cnt,
Expand Down Expand Up @@ -2347,7 +2354,8 @@ ModelInstanceState::ReadOutputTensors(
batchn_shape[0] = shape[0];
}

const size_t tensor_element_cnt = GetElementCount(batchn_shape);
int64_t tensor_element_cnt = 0;
RETURN_IF_ERROR(GetElementCount(batchn_shape, &tensor_element_cnt));

// Only need an response tensor for requested outputs.
if (response != nullptr) {
Expand Down