Fix : Use LOGS_DEFAULT(ERROR) instead of ORT_THROW for exception due …

…to invalid devices. Added check for negative values of num_streams and num of_threads

onnxruntime/core/providers/openvino/openvino_provider_factory.cc

@@ -83,11 +83,11 @@ struct OpenVINO_Provider : Provider {
                                                          "GPU.0_FP16", "GPU.1_FP16"};
       if (!((ov_supported_device_types.find(device_type) != ov_supported_device_types.end()) ||
             (device_type.find("HETERO:") == 0) || (device_type.find("MULTI:") == 0) || (device_type.find("AUTO:") == 0))) {
-        ORT_THROW(
-            "[ERROR] [OpenVINO] You have selcted wrong configuration value for the key 'device_type'. "
-            "Select from 'CPU_FP32', 'CPU_FP16', 'GPU_FP32', 'GPU.0_FP32', 'GPU.1_FP32', 'GPU_FP16', "
-            "'GPU.0_FP16', 'GPU.1_FP16' or from"
-            " HETERO/MULTI/AUTO options available. \n");
+        LOGS_DEFAULT(ERROR)
+            << "[ERROR] [OpenVINO] You have selcted wrong configuration value for the key 'device_type'.\n "
+            << "Select from 'CPU_FP32', 'CPU_FP16', 'GPU_FP32', 'GPU.0_FP32', 'GPU.1_FP32', 'GPU_FP16', "
+            << "'GPU.0_FP16', 'GPU.1_FP16' or from"
+            << " HETERO/MULTI/AUTO options available. \n";
       }
     }
     if (provider_options_map.find("device_id") != provider_options_map.end()) {
@@ -104,13 +104,17 @@ struct OpenVINO_Provider : Provider {
       num_of_threads = std::stoi(provider_options_map.at("num_of_threads"));
       if (num_of_threads <= 0) {
         num_of_threads = 1;
+	    LOGS_DEFAULT(WARNING) << "[OpenVINO-EP] The value for the key 'num_of_threads' should be in the positive range.\n "
+                         << "Executing with num_of_threads=1";
       }
     }
 
     if (provider_options_map.find("num_streams") != provider_options_map.end()) {
       num_streams = std::stoi(provider_options_map.at("num_streams"));
-      if (num_streams <= 0 && num_streams > 8) {
-        ORT_THROW("[ERROR] [OpenVINO] The value for the key 'num_streams' should be in the range of 1-8 \n");
+      if (num_streams <= 0 ) {
+		num_streams = 1;
+        LOGS_DEFAULT(WARNING) << "[OpenVINO-EP] The value for the key 'num_streams' should be in the positive range.\n "
+                         << "Executing with num_streams=1";
       }
     }
     std::string bool_flag = "";