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mirror of https://github.com/opencv/opencv.git synced 2026-07-21 19:33:03 +04:00

Merge pull request #28476 from abhishek-gola:layer_normalization_add

Added Layer Normalization support in new DNN engine
This commit is contained in:
Alexander Smorkalov
2026-01-30 11:05:36 +03:00
committed by GitHub
11 changed files with 380 additions and 78 deletions
@@ -1469,6 +1469,15 @@ CV__DNN_INLINE_NS_BEGIN
static Ptr<LayerNormLayer> create(const LayerParams& params);
};
class CV_EXPORTS LayerNorm2Layer : public Layer
{
public:
int axis;
float epsilon;
static Ptr<LayerNorm2Layer> create(const LayerParams& params);
};
class CV_EXPORTS GemmLayer : public Layer {
public:
bool trans_a;
+1
View File
@@ -200,6 +200,7 @@ void initializeLayerFactory()
CV_DNN_REGISTER_LAYER_CLASS(GatherElements, GatherElementsLayer);
CV_DNN_REGISTER_LAYER_CLASS(LayerNormalization, LayerNormLayer);
CV_DNN_REGISTER_LAYER_CLASS(RMSNormalization, RMSNormLayer);
CV_DNN_REGISTER_LAYER_CLASS(LayerNormalization2, LayerNorm2Layer);
CV_DNN_REGISTER_LAYER_CLASS(Expand, ExpandLayer);
CV_DNN_REGISTER_LAYER_CLASS(InstanceNormalization, InstanceNormLayer);
CV_DNN_REGISTER_LAYER_CLASS(Attention, AttentionLayer);
+2 -2
View File
@@ -269,9 +269,9 @@ void Layer::getTypes(const std::vector<MatType>&inputs,
if (preferableTarget == DNN_TARGET_CUDA_FP16 || preferableTarget == DNN_TARGET_CUDA)
CV_CheckTypeEQ(input, CV_32F, "");
else if (preferableTarget == DNN_TARGET_OPENCL_FP16)
CV_CheckType(input, input == CV_16F || input == CV_8S || input == CV_64F, "");
CV_CheckType(input, input == CV_16F || input == CV_8S || input == CV_64F || input == CV_64S, "");
else
CV_CheckType(input, input == CV_32F || input == CV_64F || input == CV_8S, "");
CV_CheckType(input, input == CV_32F || input == CV_64F || input == CV_8S || input == CV_64S, "");
}
outputs.assign(requiredOutputs, inputs[0]);
@@ -42,6 +42,49 @@ void fastNorm(const Mat &input, Mat &output, float epsilon, size_t normalized_ax
parallel_for_(Range(0, loops), fn, nstripes);
}
void fastNormMeanInvStdDev(const Mat& input, Mat& mean, Mat& invStdDev, float epsilon, size_t normalized_axis)
{
CV_Assert(input.type() == CV_32F);
CV_Assert(mean.type() == CV_32F);
CV_Assert(invStdDev.type() == CV_32F);
CV_Assert(input.isContinuous() && mean.isContinuous() && invStdDev.isContinuous());
const auto input_shape = shape(input);
CV_CheckLT(normalized_axis, input_shape.size(), "fastNormMeanInvStdDev: axis out of range");
const size_t loops = static_cast<size_t>(total(input_shape, 0, static_cast<int>(normalized_axis)));
const size_t norm_size = static_cast<size_t>(total(input_shape, static_cast<int>(normalized_axis)));
const float inv_norm_size = 1.0f / (float)norm_size;
CV_CheckEQ((size_t)mean.total(), loops, "fastNormMeanInvStdDev: mean output size mismatch");
CV_CheckEQ((size_t)invStdDev.total(), loops, "fastNormMeanInvStdDev: invStdDev output size mismatch");
auto fn = [&](const Range& r) {
const float* input_data = input.ptr<float>();
float* mean_data = mean.ptr<float>();
float* invstd_data = invStdDev.ptr<float>();
for (int i = r.start; i < r.end; ++i)
{
const float* x = input_data + norm_size * (size_t)i;
float m = 0.f, mean_square = 0.f;
for (size_t j = 0; j < norm_size; ++j)
{
float v = x[j];
m += v;
mean_square += v * v;
}
m *= inv_norm_size;
const float var = std::max(0.f, mean_square * inv_norm_size - m * m);
const float stdev = std::sqrt(var + epsilon);
mean_data[i] = m;
invstd_data[i] = 1.f / stdev;
}
};
const double nstripes = loops * norm_size * (1 / 1024.0);
parallel_for_(Range(0, (int)loops), fn, nstripes);
}
void fastNorm(const Mat &input, const Mat &scale, Mat &output, float epsilon, size_t normalized_axis, bool recenter) {
const auto input_shape = shape(input);
CV_CheckLT(normalized_axis, input_shape.size(), "fastNorm: axis out of range");
@@ -12,6 +12,9 @@ namespace cv { namespace dnn {
// Normalization speedup by multi-threading, mainly for Caffe MVN layer which has normalize_variance parameter.
void fastNorm(const Mat &input, Mat &output, float epsilon, size_t normalized_axis = 0, bool normalize_variance = true);
// Compute mean and inverse standard deviation.
void fastNormMeanInvStdDev(const Mat& input, Mat& mean, Mat& invStdDev, float epsilon, size_t normalized_axis = 0);
// Normalization speedup by multi-threading with absent bias. Mainly for LayerNormalization.
void fastNorm(const Mat &input, const Mat &scale, Mat &output, float epsilon, size_t normalized_axis = 0, bool recenter=true);
@@ -93,6 +93,14 @@ using std::sin;
using std::sinh;
using std::tan;
struct PowerFunctor;
template<typename Func>
struct ElementWiseIntDispatch
{
static inline bool apply(const Func&, const Mat&, Mat&) { return false; }
};
template<typename Func>
class ElementWiseLayer : public Func::Layer
{
@@ -226,6 +234,9 @@ public:
Mat &dst = outputs[i];
CV_Assert_N(src.size == dst.size, src.isContinuous(), dst.isContinuous());
if (ElementWiseIntDispatch<Func>::apply(func, src, dst))
continue;
if (src.type() == CV_32F && dst.type() == CV_32F)
{
const int nstripes = getNumThreads();
@@ -2454,6 +2465,49 @@ struct PowerFunctor : public BaseFunctor
int64 getFLOPSPerElement() const { return power == 1 ? 2 : 10; }
};
// This is required for ONNX Neg on integer tensors produced by Shape/Size subgraphs.
template<>
struct ElementWiseIntDispatch<PowerFunctor>
{
static inline bool apply(const PowerFunctor& func, const Mat& src, Mat& dst)
{
if (src.type() != dst.type())
return false;
const int depth = src.depth();
if (depth != CV_32S && depth != CV_64S)
return false;
if (func.power != 1.f)
return false;
if (func.shift != 0.f)
return false;
// scale must be an integer value (Neg uses scale=-1)
const double scale_d = (double)func.scale;
if (std::floor(scale_d) != scale_d)
return false;
const int64_t scale = (int64_t)scale_d;
const size_t n = src.total();
if (depth == CV_32S)
{
const int32_t* sp = src.ptr<int32_t>();
int32_t* dp = dst.ptr<int32_t>();
for (size_t i = 0; i < n; ++i)
dp[i] = (int32_t)((int64_t)sp[i] * scale);
return true;
}
else // CV_64S
{
const int64_t* sp = src.ptr<int64_t>();
int64_t* dp = dst.ptr<int64_t>();
for (size_t i = 0; i < n; ++i)
dp[i] = sp[i] * scale;
return true;
}
}
};
struct ExpFunctor : public BaseDefaultFunctor<ExpFunctor>
{
typedef ExpLayer Layer;
+115
View File
@@ -0,0 +1,115 @@
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
// Copyright (C) 2025, BigVision LLC, all rights reserved.
// Third party copyrights are property of their respective owners.
#include "../precomp.hpp"
#include "layers_common.hpp"
#include "cpu_kernels/fast_norm.hpp"
namespace cv {
namespace dnn {
// ONNX LayerNormalization operator
// Spec: https://onnx.ai/onnx/operators/onnx__LayerNormalization.html
// Supported opsets: 17
class LayerNorm2LayerImpl CV_FINAL : public LayerNorm2Layer
{
public:
int axis0;
LayerNorm2LayerImpl(const LayerParams& params)
{
setParamsFrom(params);
axis = axis0 = params.get<int>("axis", -1);
epsilon = params.get<float>("epsilon", 1e-5f);
}
virtual bool supportBackend(int backendId) CV_OVERRIDE
{
return backendId == DNN_BACKEND_OPENCV;
}
virtual bool getMemoryShapes(const std::vector<MatShape> &inputs,
const int requiredOutputs,
std::vector<MatShape> &outputs,
std::vector<MatShape> &internals) const CV_OVERRIDE
{
int noutputs = std::max(requiredOutputs > 0 ? requiredOutputs : (int)this->outputs.size(), 1);
CV_Assert(noutputs >= 1 && noutputs <= 3);
int num_inputs = inputs.size() + blobs.size();
CV_Check(num_inputs, num_inputs >= 2 && num_inputs <= 3, "LayerNorm2: require two (x, weight) or three (x, weight, bias) inputs");
auto x_shape = inputs[0];
int x_ndims = static_cast<int>(x_shape.size());
int axis_ = normalize_axis(axis0, x_shape.dims);
auto w_shape = blobs.empty() ? inputs[1] : shape(blobs.front());
int w_ndims = static_cast<int>(w_shape.size());
w_ndims = (axis_ == x_ndims - 1 && w_ndims == 2) ? (w_ndims - 1) : w_ndims;
CV_CheckEQ(x_ndims - axis_, w_ndims, "LayerNorm2: weight rank mismatch");
for (int i = 0; i < w_ndims; ++i)
CV_CheckEQ(x_shape[axis_ + i], w_shape[i], "LayerNorm2: weight dims mismatch");
if (num_inputs >= 3)
{
auto b_shape = blobs.empty() ? inputs[2] : shape(blobs.back());
CV_CheckEQ(w_shape.size(), b_shape.size(), "LayerNorm2: bias rank mismatch");
for (size_t i = 0; i < w_shape.size(); ++i)
CV_CheckEQ(w_shape[i], b_shape[i], "LayerNorm2: bias dims mismatch");
}
outputs.resize(noutputs, inputs[0]);
for (int i = 1; i < noutputs; i++) {
for (int j = axis_; j < x_ndims; j++)
outputs[i][j] = 1;
}
internals.clear();
return false;
}
void forward(InputArrayOfArrays inputs_arr,
OutputArrayOfArrays outputs_arr,
OutputArrayOfArrays internals_arr) CV_OVERRIDE
{
CV_TRACE_FUNCTION();
CV_TRACE_ARG_VALUE(name, "name", name.c_str());
std::vector<Mat> inputs, outputs;
inputs_arr.getMatVector(inputs);
outputs_arr.getMatVector(outputs);
const Mat& input = inputs[0];
const Mat& scale = blobs.empty() ? inputs[1] : blobs.front();
Mat& output = outputs[0];
int axis_ = normalize_axis(axis0, input.dims);
if (outputs.size() >= 3)
{
Mat& mean = outputs[1];
Mat& invStdDev = outputs[2];
fastNormMeanInvStdDev(input, mean, invStdDev, epsilon, (size_t)axis_);
}
if ((int)inputs.size() + (int)blobs.size() >= 3)
{
const Mat& bias = blobs.empty() ? inputs[2] : blobs.back();
fastNorm(input, scale, bias, output, epsilon, (size_t)axis_);
}
else
{
fastNorm(input, scale, output, epsilon, (size_t)axis_);
}
}
};
Ptr<LayerNorm2Layer> LayerNorm2Layer::create(const LayerParams& params)
{
return makePtr<LayerNorm2LayerImpl>(params);
}
}
}
+1
View File
@@ -1994,6 +1994,7 @@ void ONNXImporter2::parseLayerNorm(LayerParams& layerParams, const opencv_onnx::
}
n_inputs = 1;
}
layerParams.type = "LayerNormalization2";
addLayer(layerParams, node_proto, n_inputs);
}
@@ -1201,43 +1201,119 @@ CASE(test_isnan)
CASE(test_isnan_float16)
SKIP;
CASE(test_layer_normalization_2d_axis0)
// no filter
SKIP;
CASE(test_layer_normalization_2d_axis0_expanded)
SKIP;
CASE(test_layer_normalization_2d_axis0_expanded_ver18)
SKIP;
CASE(test_layer_normalization_2d_axis1)
// no filter
SKIP;
CASE(test_layer_normalization_2d_axis1_expanded)
SKIP;
CASE(test_layer_normalization_2d_axis1_expanded_ver18)
SKIP;
CASE(test_layer_normalization_2d_axis_negative_1)
// no filter
SKIP;
CASE(test_layer_normalization_2d_axis_negative_1_expanded)
SKIP;
CASE(test_layer_normalization_2d_axis_negative_1_expanded_ver18)
SKIP;
CASE(test_layer_normalization_2d_axis_negative_2)
// no filter
SKIP;
CASE(test_layer_normalization_2d_axis_negative_2_expanded)
SKIP;
CASE(test_layer_normalization_2d_axis_negative_2_expanded_ver18)
SKIP;
CASE(test_layer_normalization_3d_axis0_epsilon)
// no filter
SKIP;
CASE(test_layer_normalization_3d_axis0_epsilon_expanded)
SKIP;
CASE(test_layer_normalization_3d_axis0_epsilon_expanded_ver18)
SKIP;
CASE(test_layer_normalization_3d_axis1_epsilon)
// no filter
SKIP;
CASE(test_layer_normalization_3d_axis1_epsilon_expanded)
SKIP;
CASE(test_layer_normalization_3d_axis1_epsilon_expanded_ver18)
SKIP;
CASE(test_layer_normalization_3d_axis2_epsilon)
// no filter
SKIP;
CASE(test_layer_normalization_3d_axis2_epsilon_expanded)
SKIP;
CASE(test_layer_normalization_3d_axis2_epsilon_expanded_ver18)
SKIP;
CASE(test_layer_normalization_3d_axis_negative_1_epsilon)
// no filter
SKIP;
CASE(test_layer_normalization_3d_axis_negative_1_epsilon_expanded)
SKIP;
CASE(test_layer_normalization_3d_axis_negative_1_epsilon_expanded_ver18)
SKIP;
CASE(test_layer_normalization_3d_axis_negative_2_epsilon)
// no filter
SKIP;
CASE(test_layer_normalization_3d_axis_negative_2_epsilon_expanded)
SKIP;
CASE(test_layer_normalization_3d_axis_negative_2_epsilon_expanded_ver18)
SKIP;
CASE(test_layer_normalization_3d_axis_negative_3_epsilon)
// no filter
SKIP;
CASE(test_layer_normalization_3d_axis_negative_3_epsilon_expanded)
SKIP;
CASE(test_layer_normalization_3d_axis_negative_3_epsilon_expanded_ver18)
SKIP;
CASE(test_layer_normalization_4d_axis0)
// no filter
SKIP;
CASE(test_layer_normalization_4d_axis0_expanded)
SKIP;
CASE(test_layer_normalization_4d_axis0_expanded_ver18)
SKIP;
CASE(test_layer_normalization_4d_axis1)
// no filter
SKIP;
CASE(test_layer_normalization_4d_axis1_expanded)
SKIP;
CASE(test_layer_normalization_4d_axis1_expanded_ver18)
SKIP;
CASE(test_layer_normalization_4d_axis2)
// no filter
SKIP;
CASE(test_layer_normalization_4d_axis2_expanded)
SKIP;
CASE(test_layer_normalization_4d_axis2_expanded_ver18)
SKIP;
CASE(test_layer_normalization_4d_axis3)
// no filter
SKIP;
CASE(test_layer_normalization_4d_axis3_expanded)
SKIP;
CASE(test_layer_normalization_4d_axis3_expanded_ver18)
SKIP;
CASE(test_layer_normalization_4d_axis_negative_1)
// no filter
SKIP;
CASE(test_layer_normalization_4d_axis_negative_1_expanded)
SKIP;
CASE(test_layer_normalization_4d_axis_negative_1_expanded_ver18)
SKIP;
CASE(test_layer_normalization_4d_axis_negative_2)
// no filter
SKIP;
CASE(test_layer_normalization_4d_axis_negative_2_expanded)
SKIP;
CASE(test_layer_normalization_4d_axis_negative_2_expanded_ver18)
SKIP;
CASE(test_layer_normalization_4d_axis_negative_3)
// no filter
SKIP;
CASE(test_layer_normalization_4d_axis_negative_3_expanded)
SKIP;
CASE(test_layer_normalization_4d_axis_negative_3_expanded_ver18)
SKIP;
CASE(test_layer_normalization_4d_axis_negative_4)
// no filter
SKIP;
CASE(test_layer_normalization_4d_axis_negative_4_expanded)
SKIP;
CASE(test_layer_normalization_4d_axis_negative_4_expanded_ver18)
SKIP;
CASE(test_layer_normalization_default_axis)
// no filter
SKIP;
CASE(test_layer_normalization_default_axis_expanded)
SKIP;
CASE(test_layer_normalization_default_axis_expanded_ver18)
SKIP;
CASE(test_leakyrelu)
// no filter
CASE(test_leakyrelu_default)
@@ -652,3 +652,60 @@
"test_blackmanwindow_expanded",
"test_blackmanwindow_symmetric",
"test_blackmanwindow_symmetric_expanded",
"test_layer_normalization_2d_axis0",
"test_layer_normalization_2d_axis0_expanded",
"test_layer_normalization_2d_axis0_expanded_ver18",
"test_layer_normalization_2d_axis1",
"test_layer_normalization_2d_axis1_expanded",
"test_layer_normalization_2d_axis1_expanded_ver18",
"test_layer_normalization_2d_axis_negative_1",
"test_layer_normalization_2d_axis_negative_1_expanded",
"test_layer_normalization_2d_axis_negative_1_expanded_ver18",
"test_layer_normalization_2d_axis_negative_2",
"test_layer_normalization_2d_axis_negative_2_expanded",
"test_layer_normalization_2d_axis_negative_2_expanded_ver18",
"test_layer_normalization_3d_axis0_epsilon",
"test_layer_normalization_3d_axis0_epsilon_expanded",
"test_layer_normalization_3d_axis0_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis1_epsilon",
"test_layer_normalization_3d_axis1_epsilon_expanded",
"test_layer_normalization_3d_axis1_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis2_epsilon",
"test_layer_normalization_3d_axis2_epsilon_expanded",
"test_layer_normalization_3d_axis2_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis_negative_1_epsilon",
"test_layer_normalization_3d_axis_negative_1_epsilon_expanded",
"test_layer_normalization_3d_axis_negative_1_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis_negative_2_epsilon",
"test_layer_normalization_3d_axis_negative_2_epsilon_expanded",
"test_layer_normalization_3d_axis_negative_2_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis_negative_3_epsilon",
"test_layer_normalization_3d_axis_negative_3_epsilon_expanded",
"test_layer_normalization_3d_axis_negative_3_epsilon_expanded_ver18",
"test_layer_normalization_4d_axis0",
"test_layer_normalization_4d_axis0_expanded",
"test_layer_normalization_4d_axis0_expanded_ver18",
"test_layer_normalization_4d_axis1",
"test_layer_normalization_4d_axis1_expanded",
"test_layer_normalization_4d_axis1_expanded_ver18",
"test_layer_normalization_4d_axis2",
"test_layer_normalization_4d_axis2_expanded",
"test_layer_normalization_4d_axis2_expanded_ver18",
"test_layer_normalization_4d_axis3",
"test_layer_normalization_4d_axis3_expanded",
"test_layer_normalization_4d_axis3_expanded_ver18",
"test_layer_normalization_4d_axis_negative_1",
"test_layer_normalization_4d_axis_negative_1_expanded",
"test_layer_normalization_4d_axis_negative_1_expanded_ver18",
"test_layer_normalization_4d_axis_negative_2",
"test_layer_normalization_4d_axis_negative_2_expanded",
"test_layer_normalization_4d_axis_negative_2_expanded_ver18",
"test_layer_normalization_4d_axis_negative_3",
"test_layer_normalization_4d_axis_negative_3_expanded",
"test_layer_normalization_4d_axis_negative_3_expanded_ver18",
"test_layer_normalization_4d_axis_negative_4",
"test_layer_normalization_4d_axis_negative_4_expanded",
"test_layer_normalization_4d_axis_negative_4_expanded_ver18",
"test_layer_normalization_default_axis",
"test_layer_normalization_default_axis_expanded",
"test_layer_normalization_default_axis_expanded_ver18",
@@ -337,63 +337,6 @@
"test_l1normalization_axis_last",
"test_l2normalization_axis_0",
"test_l2normalization_axis_1",
"test_layer_normalization_2d_axis0",
"test_layer_normalization_2d_axis0_expanded",
"test_layer_normalization_2d_axis0_expanded_ver18",
"test_layer_normalization_2d_axis1",
"test_layer_normalization_2d_axis1_expanded",
"test_layer_normalization_2d_axis1_expanded_ver18",
"test_layer_normalization_2d_axis_negative_1",
"test_layer_normalization_2d_axis_negative_1_expanded",
"test_layer_normalization_2d_axis_negative_1_expanded_ver18",
"test_layer_normalization_2d_axis_negative_2",
"test_layer_normalization_2d_axis_negative_2_expanded",
"test_layer_normalization_2d_axis_negative_2_expanded_ver18",
"test_layer_normalization_3d_axis0_epsilon",
"test_layer_normalization_3d_axis0_epsilon_expanded",
"test_layer_normalization_3d_axis0_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis1_epsilon",
"test_layer_normalization_3d_axis1_epsilon_expanded",
"test_layer_normalization_3d_axis1_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis2_epsilon",
"test_layer_normalization_3d_axis2_epsilon_expanded",
"test_layer_normalization_3d_axis2_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis_negative_1_epsilon",
"test_layer_normalization_3d_axis_negative_1_epsilon_expanded",
"test_layer_normalization_3d_axis_negative_1_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis_negative_2_epsilon",
"test_layer_normalization_3d_axis_negative_2_epsilon_expanded",
"test_layer_normalization_3d_axis_negative_2_epsilon_expanded_ver18",
"test_layer_normalization_3d_axis_negative_3_epsilon",
"test_layer_normalization_3d_axis_negative_3_epsilon_expanded",
"test_layer_normalization_3d_axis_negative_3_epsilon_expanded_ver18",
"test_layer_normalization_4d_axis0",
"test_layer_normalization_4d_axis0_expanded",
"test_layer_normalization_4d_axis0_expanded_ver18",
"test_layer_normalization_4d_axis1",
"test_layer_normalization_4d_axis1_expanded",
"test_layer_normalization_4d_axis1_expanded_ver18",
"test_layer_normalization_4d_axis2",
"test_layer_normalization_4d_axis2_expanded",
"test_layer_normalization_4d_axis2_expanded_ver18",
"test_layer_normalization_4d_axis3",
"test_layer_normalization_4d_axis3_expanded",
"test_layer_normalization_4d_axis3_expanded_ver18",
"test_layer_normalization_4d_axis_negative_1",
"test_layer_normalization_4d_axis_negative_1_expanded",
"test_layer_normalization_4d_axis_negative_1_expanded_ver18",
"test_layer_normalization_4d_axis_negative_2",
"test_layer_normalization_4d_axis_negative_2_expanded",
"test_layer_normalization_4d_axis_negative_2_expanded_ver18",
"test_layer_normalization_4d_axis_negative_3",
"test_layer_normalization_4d_axis_negative_3_expanded",
"test_layer_normalization_4d_axis_negative_3_expanded_ver18",
"test_layer_normalization_4d_axis_negative_4",
"test_layer_normalization_4d_axis_negative_4_expanded",
"test_layer_normalization_4d_axis_negative_4_expanded_ver18",
"test_layer_normalization_default_axis",
"test_layer_normalization_default_axis_expanded",
"test_layer_normalization_default_axis_expanded_ver18",
"test_loop11", // Issue::'Graph' is not supported in function 'getLayerParams'
"test_loop13_seq", // Issue::typeProto.has_tensor_type() in function 'populateNet'
"test_loop16_seq_none", // Issue::Failed to allocate 179812654996800 bytes in function 'OutOfMemoryError'