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Lite: Unpack Op additional memory fix #27884

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merged 1 commit into from Apr 26, 2019
Merged

Lite: Unpack Op additional memory fix #27884

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24 changes: 5 additions & 19 deletions tensorflow/lite/kernels/unpack.cc
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Expand Up @@ -27,24 +27,9 @@ namespace {

constexpr int kInputTensor = 0;

// Op data for unpack op.
struct OpData {
int num;
int axis;
};

void* Init(TfLiteContext* context, const char* buffer, size_t length) {
auto* data = new OpData;
data->axis = 0;
return data;
}

void Free(TfLiteContext* context, void* buffer) {
delete reinterpret_cast<OpData*>(buffer);
}

TfLiteStatus Prepare(TfLiteContext* context, TfLiteNode* node) {
const OpData* data = reinterpret_cast<OpData*>(node->builtin_data);
const TfLiteUnpackParams* data =
reinterpret_cast<TfLiteUnpackParams*>(node->builtin_data);

TF_LITE_ENSURE_EQ(context, NumInputs(node), 1);
TF_LITE_ENSURE_EQ(context, NumOutputs(node), data->num);
Expand Down Expand Up @@ -100,7 +85,8 @@ void UnpackImpl(TfLiteContext* context, TfLiteNode* node,
}

TfLiteStatus Eval(TfLiteContext* context, TfLiteNode* node) {
const OpData* data = reinterpret_cast<OpData*>(node->builtin_data);
const TfLiteUnpackParams* data =
reinterpret_cast<TfLiteUnpackParams*>(node->builtin_data);

const TfLiteTensor* input = GetInput(context, node, kInputTensor);
switch (input->type) {
Expand All @@ -125,7 +111,7 @@ TfLiteStatus Eval(TfLiteContext* context, TfLiteNode* node) {
} // namespace unpack

TfLiteRegistration* Register_UNPACK() {
static TfLiteRegistration r = {unpack::Init, unpack::Free, unpack::Prepare,
static TfLiteRegistration r = {nullptr, nullptr, unpack::Prepare,
unpack::Eval};
return &r;
}
Expand Down