Use continuous batching by default

src/cpp/src/continuous_batching_pipeline.cpp

@@ -41,13 +41,7 @@ class ContinuousBatchingPipeline::Impl {
         float m_matmul_time_ms = 0.0f;
         float m_infer_total_ms = 0.0f;
 
-        ~PerfTime() {
-            std::cout << "Inference requests aggregated statistic: " << std::endl;
-            std::cout << "Paged attention % of inference execution: " << (m_paged_attention_time_ms / m_infer_total_ms) * 100 << std::endl;
-            std::cout << "MatMul % of inference execution: " << (m_matmul_time_ms / m_infer_total_ms) * 100 << std::endl;
-            std::cout << "Total inference execution secs: " << m_infer_total_ms / 1000. << std::endl;
-            std::cout << std::endl;
-        }
+        ~PerfTime() {}
     } m_perf;
 
     // current requests to process

src/cpp/src/llm_pipeline.cpp

@@ -515,6 +515,7 @@ ov::genai::LLMPipeline::LLMPipeline(
     const ov::genai::Tokenizer& tokenizer,
     OptionalGenerationConfig generation_config
 ) {
+    OPENVINO_THROW("Not supported");
     auto start_time = std::chrono::steady_clock::now();
     m_pimpl = std::make_unique<StatefulLLMPipeline>(request, tokenizer, generation_config);
     auto stop_time = std::chrono::steady_clock::now();
@@ -527,12 +528,25 @@ ov::genai::LLMPipeline::LLMPipeline(
     const std::string& device,
     const ov::AnyMap& plugin_config
 ){
+    std::cout << "Using continuous batching backend.\n";
     auto start_time = std::chrono::steady_clock::now();
     if (plugin_config.find(ov::genai::scheduler_config.name()) != plugin_config.end()) {
         auto config_without_scheduler_config = plugin_config;
         config_without_scheduler_config.erase(ov::genai::scheduler_config.name());
         auto& scheduler_config = plugin_config.at(ov::genai::scheduler_config.name()).as<SchedulerConfig>();
         m_pimpl = std::make_unique<ContinuousBatchingAdapter>(model_path, tokenizer, scheduler_config, device, config_without_scheduler_config);
+        std::cout << "Found custom SchedulerConfig.\n";
+    } else if (true) {
+        SchedulerConfig scheduler_config;
+        scheduler_config.num_kv_blocks = 16;
+        scheduler_config.enable_prefix_caching = true;
+        m_pimpl = std::make_unique<ContinuousBatchingAdapter>(
+            model_path,
+            tokenizer,
+            scheduler_config,
+            device,
+            plugin_config
+        );
     } else if ("NPU" == device) {
         m_pimpl = std::make_unique<StaticLLMPipeline>(model_path, tokenizer, device, plugin_config);
     } else {
@@ -547,12 +561,24 @@ ov::genai::LLMPipeline::LLMPipeline(
     const std::string& device,
     const ov::AnyMap& config
 ){
+    std::cout << "Using continuous batching backend.\n";
     auto start_time = std::chrono::steady_clock::now();
     if (config.find(ov::genai::scheduler_config.name()) != config.end()) {
         auto config_without_scheduler_config = config;
         config_without_scheduler_config.erase(ov::genai::scheduler_config.name());
         auto& scheduler_config = config.at(ov::genai::scheduler_config.name()).as<SchedulerConfig>();
         m_pimpl = std::make_unique<ContinuousBatchingAdapter>(path, scheduler_config, device, config_without_scheduler_config);
+        std::cout << "Found custom SchedulerConfig.\n";
+    } else if (true) {
+        SchedulerConfig scheduler_config;
+        scheduler_config.num_kv_blocks= 16;
+        scheduler_config.enable_prefix_caching = true;
+        m_pimpl = std::make_unique<ContinuousBatchingAdapter>(
+            path,
+            scheduler_config,
+            device,
+            config
+        );
     } else if ("NPU" == device) {
         m_pimpl = std::make_unique<StaticLLMPipeline>(path, device, config);
     } else {

src/cpp/src/timer.hpp

@@ -26,7 +26,5 @@ class ManualTimer {
         m_total += std::chrono::duration<double, std::milli>(m_end - m_start).count();
     }
 
-    ~ManualTimer() {
-        std::cout << m_title << ": " << m_total / 1000. << " secs" << std::endl;
-    }
+    ~ManualTimer() {}
 };

src/python/py_generate_pipeline.cpp

@@ -10,6 +10,7 @@
 #include "openvino/genai/llm_pipeline.hpp"
 #include <openvino/runtime/auto/properties.hpp>
 #include "../cpp/src/tokenizers_path.hpp"
+#include <pybind11/iostream.h>
 
 #include "./utils.hpp"
 
@@ -433,14 +434,16 @@ PYBIND11_MODULE(py_generate_pipeline, m) {
     m.doc() = "Pybind11 binding for LLM Pipeline";
 
     py::class_<LLMPipeline>(m, "LLMPipeline", "This class is used for generation with LLMs")
-        .def(py::init([](
+        .def(py::init([&](
             const std::string& model_path, 
             const std::string& device,
             const std::map<std::string, py::object>& config
         ) {
             ScopedVar env_manager(utils::ov_tokenizers_module_path());
             return std::make_unique<LLMPipeline>(model_path, device, utils::properties_to_any_map(config));
         }),
+        py::call_guard<py::scoped_ostream_redirect,
+                     py::scoped_estream_redirect>(),
         py::arg("model_path"), "folder with openvino_model.xml and openvino_tokenizer[detokenizer].xml files", 
         py::arg("device") = "CPU", "device on which inference will be done",
         py::arg("config") = ov::AnyMap({}), "openvino.properties map",
@@ -460,6 +463,8 @@ PYBIND11_MODULE(py_generate_pipeline, m) {
             ScopedVar env_manager(utils::ov_tokenizers_module_path());
             return std::make_unique<LLMPipeline>(model_path, tokenizer, device, utils::properties_to_any_map(config));
         }),
+        py::call_guard<py::scoped_ostream_redirect,
+                     py::scoped_estream_redirect>(),
         py::arg("model_path"),
         py::arg("tokenizer"),
         py::arg("device") = "CPU",