[CPU] Fix user setting num_streams=0 (#20469)

src/plugins/intel_cpu/src/plugin.cpp

@@ -325,7 +325,9 @@ void Engine::GetPerformanceStreams(Config& config, const std::shared_ptr<ngraph:
         streams = config.streamExecutorConfig._streams == 1 ? 0 : config.streamExecutorConfig._streams;
     }
 
-    get_num_streams(streams, ngraphFunc, config);
+    if (!((0 == config.streamExecutorConfig._streams) && config.streamExecutorConfig._streams_changed)) {
+        get_num_streams(streams, ngraphFunc, config);
+    }
 
     config._config[CONFIG_KEY(CPU_THROUGHPUT_STREAMS)] = std::to_string(config.streamExecutorConfig._streams);
 }

src/plugins/intel_cpu/tests/functional/behavior/ov_executable_network/properties.cpp

@@ -137,6 +137,27 @@ TEST_F(OVClassConfigTestCPU, smoke_CpuExecNetworkCheckModelStreamsHasHigherPrior
     ASSERT_EQ(streams, value);
 }
 
+TEST_F(OVClassConfigTestCPU, smoke_CpuExecNetworkCheckModelZeroStreams) {
+    ov::Core ie;
+    int32_t streams = 0;
+    int32_t value = -1;
+
+    ASSERT_NO_THROW(ie.set_property(deviceName, ov::hint::performance_mode(ov::hint::PerformanceMode::LATENCY)));
+
+    ov::AnyMap config;
+    config[ov::num_streams.name()] = streams;
+    ov::CompiledModel compiledModel = ie.compile_model(model, deviceName, config);
+
+    ASSERT_NO_THROW(value = compiledModel.get_property(ov::num_streams));
+
+#if defined(OPENVINO_ARCH_ARM) || \
+    defined(OPENVINO_ARCH_ARM64)  // Will be removed after multiple streams is supported on ARM
+    streams = 1;
+#endif
+
+    ASSERT_EQ(streams, value);
+}
+
 TEST_F(OVClassConfigTestCPU, smoke_CpuExecNetworkCheckSparseWeigthsDecompressionRate) {
     ov::Core core;