[GNA] Fixed import of model with several inputs

inference-engine/src/gna_plugin/gna_plugin.cpp

@@ -1616,7 +1616,7 @@ InferenceEngine::IExecutableNetworkInternal::Ptr GNAPlugin::ImportNetwork(std::i
     // If scale factors are defined in configuration we still need to use them instead of imported values,
     // for example to change the scale factors for the old models.
     if (!config.inputScaleFactors.empty()) {
-        IE_ASSERT(config.inputScaleFactors.size() == inputsDesc->inputScaleFactors.size());
+        IE_ASSERT(config.inputScaleFactors.size() <= inputsDesc->inputScaleFactors.size());
         for (size_t i = 0; i < config.inputScaleFactors.size(); ++i) {
             if (config.inputScaleFactors[i] != GNAPluginNS::kScaleFactorDefault) {
                 gnalog() << "[Import Network] Using input scale factor defined in configuration for input " << i << std::endl;

inference-engine/tests/functional/plugin/gna/shared_tests_instances/import_export_tests/import_export_multi_inputs.cpp

@@ -0,0 +1,118 @@
+// Copyright (C) 2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include <vector>
+#include <memory>
+#include <tuple>
+#include <vector>
+#include <string>
+#include <fstream>
+
+#include "ngraph_functions/builders.hpp"
+#include "base/import_export_base/import_export_base.hpp"
+
+namespace LayerTestsDefinitions {
+
+class ImportMultiInput : public FuncTestUtils::ImportNetworkTestBase {
+protected:
+    void SetUp() override {
+        InferenceEngine::Precision netPrecision;
+        std::tie(netPrecision, targetDevice, exportConfiguration, importConfiguration, applicationHeader) = this->GetParam();
+
+        auto ngPrc = FuncTestUtils::PrecisionUtils::convertIE2nGraphPrc(netPrecision);
+        auto input = ngraph::builder::makeParams(ngPrc, {{1, 10}, {1, 10}});
+        auto mul1 = ngraph::builder::makeEltwise(input[0], input[1], ngraph::helpers::EltwiseTypes::ADD);
+        auto result = std::make_shared<ngraph::opset7::Result>(mul1);
+
+        function = std::make_shared<ngraph::Function>(ngraph::ResultVector{result}, input, "multiple_input");
+    }
+};
+
+class ImportMultiInputChanged : public ImportMultiInput {};
+class ImportMultiInputUnchanged : public ImportMultiInput {};
+
+TEST_P(ImportMultiInputUnchanged, CompareWithRefImpl) {
+    TestRun(false);
+};
+
+TEST_P(ImportMultiInputChanged, CompareWithRefImpl) {
+    TestRun(true);
+};
+
+const std::vector<InferenceEngine::Precision> netPrecisions = {
+        InferenceEngine::Precision::FP32
+};
+
+const std::vector<std::map<std::string, std::string>> exportConfigs = {
+    {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"},
+        {"GNA_SCALE_FACTOR_0", "327.67"},
+        {"GNA_SCALE_FACTOR_1", "327.67"}
+    }
+};
+
+const std::vector<std::map<std::string, std::string>> importConfigsChanged = {
+    {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"},
+        {"GNA_SCALE_FACTOR_0", "32767"}
+    },
+        {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"},
+        {"GNA_SCALE_FACTOR_1", "32767"}
+    },
+    {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"},
+        {"GNA_SCALE_FACTOR_0", "32767"},
+        {"GNA_SCALE_FACTOR_1", "32767"}
+    },
+    {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"},
+        {"GNA_SCALE_FACTOR_0", "1"},
+        {"GNA_SCALE_FACTOR_1", "32767"}
+    }
+};
+
+const std::vector<std::map<std::string, std::string>> importConfigsUnchanged = {
+    {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"},
+        {"GNA_SCALE_FACTOR_0", "327.67"}
+    },
+    {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"},
+        {"GNA_SCALE_FACTOR_0", "1"}
+    },
+    {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"}
+    },
+    {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"},
+        {"GNA_SCALE_FACTOR_0", "327.67"},
+        {"GNA_SCALE_FACTOR_1", "327.67"}
+    },
+    {
+        {"GNA_DEVICE_MODE", "GNA_SW_EXACT"},
+        {"GNA_SCALE_FACTOR_1", "327.67"}
+    },
+};
+
+INSTANTIATE_TEST_CASE_P(smoke_ImportNetworkGNA, ImportMultiInputUnchanged,
+                        ::testing::Combine(
+                            ::testing::ValuesIn(netPrecisions),
+                            ::testing::Values(CommonTestUtils::DEVICE_GNA),
+                            ::testing::ValuesIn(exportConfigs),
+                            ::testing::ValuesIn(importConfigsUnchanged),
+                            ::testing::Values("")),
+                        ImportMultiInputUnchanged::getTestCaseName);
+
+INSTANTIATE_TEST_CASE_P(smoke_ImportNetworkGNA, ImportMultiInputChanged,
+                        ::testing::Combine(
+                            ::testing::ValuesIn(netPrecisions),
+                            ::testing::Values(CommonTestUtils::DEVICE_GNA),
+                            ::testing::ValuesIn(exportConfigs),
+                            ::testing::ValuesIn(importConfigsChanged),
+                            ::testing::Values("")),
+                        ImportMultiInputChanged::getTestCaseName);
+
+} // namespace LayerTestsDefinitions
+