Store & ledger benchmarks

nano/benchmarks/CMakeLists.txt

@@ -1,4 +1,4 @@
-add_executable(benchmarks entry.cpp stats.cpp)
+add_executable(benchmarks entry.cpp ledger.cpp stats.cpp)
 
 target_link_libraries(benchmarks test_common benchmark::benchmark)
 

nano/benchmarks/ledger.cpp

@@ -0,0 +1,105 @@
+#include <nano/lib/logging.hpp>
+#include <nano/node/make_store.hpp>
+#include <nano/node/nodeconfig.hpp>
+#include <nano/secure/ledger.hpp>
+#include <nano/secure/ledger_set_any.hpp>
+#include <nano/secure/utility.hpp>
+#include <nano/store/account.hpp>
+
+#include <benchmark/benchmark.h>
+
+// Expects live ledger in default location
+// PLEASE NOTE: Make sure to purge disk cache between runs (`purge` command on macOS)
+static void BM_ledger_iterate_accounts (benchmark::State & state)
+{
+	nano::logger::initialize_dummy ();
+	nano::logger logger;
+	nano::stats stats{ logger };
+
+	// Use live ledger
+	nano::networks network = nano::networks::nano_live_network;
+	nano::network_params network_params{ network };
+	nano::node_config config{ network_params };
+	config.rocksdb_config.enable = state.range (0);
+	auto application_path = nano::working_path (network);
+
+	auto store_impl{ nano::make_store (logger, application_path, network_params.ledger, false, true, config.rocksdb_config, config.diagnostics_config.txn_tracking, config.block_processor_batch_max_time, config.lmdb_config, config.backup_before_upgrade) };
+	auto & store{ *store_impl };
+
+	if (store.init_error ())
+	{
+		state.SkipWithError ("Store initialization failed. Make sure ledger files are present in the default location.");
+	}
+
+	auto ledger_impl{ std::make_unique<nano::ledger> (store, stats, network_params.ledger, nano::generate_cache_flags::all_disabled (), config.representative_vote_weight_minimum.number ()) };
+	auto & ledger{ *ledger_impl };
+
+	auto transaction = ledger.tx_begin_read ();
+	nano::account current{ 0 };
+	nano::account_info current_info;
+	auto it = ledger.any.account_begin (transaction);
+	for (auto _ : state)
+	{
+		if (it != ledger.any.account_end ())
+		{
+			current = it->first;
+			current_info = it->second;
+			benchmark::DoNotOptimize (current);
+			benchmark::DoNotOptimize (current_info);
+
+			++it;
+		}
+		else
+		{
+			break;
+		}
+	}
+}
+BENCHMARK (BM_ledger_iterate_accounts)->ArgName ("use_rocksdb")->Arg (0)->Arg (1);
+
+// Expects live ledger in default location
+// PLEASE NOTE: Make sure to purge disk cache between runs (`purge` command on macOS)
+static void BM_store_iterate_accounts (benchmark::State & state)
+{
+	nano::logger::initialize_dummy ();
+	nano::logger logger;
+	nano::stats stats{ logger };
+
+	// Use live ledger
+	nano::networks network = nano::networks::nano_live_network;
+	nano::network_params network_params{ network };
+	nano::node_config config{ network_params };
+	config.rocksdb_config.enable = state.range (0);
+	nano::node_flags flags;
+	auto application_path = nano::working_path (network);
+
+	auto store_impl{ nano::make_store (logger, application_path, network_params.ledger, false, true, config.rocksdb_config, config.diagnostics_config.txn_tracking, config.block_processor_batch_max_time, config.lmdb_config, config.backup_before_upgrade, flags.force_use_write_queue) };
+	auto & store{ *store_impl };
+
+	if (store.init_error ())
+	{
+		state.SkipWithError ("Store initialization failed. Make sure ledger files are present in the default location.");
+	}
+
+	auto transaction = store.tx_begin_read ();
+	nano::account current{ 0 };
+	nano::account_info current_info;
+	auto it = store.account.begin (transaction);
+	for (auto _ : state)
+	{
+		if (it != store.account.end ())
+		{
+			current = it->first;
+			current_info = it->second;
+			benchmark::DoNotOptimize (current);
+			benchmark::DoNotOptimize (current_info);
+
+			++it;
+		}
+		else
+		{
+			break;
+		}
+	}
+}
+BENCHMARK (BM_store_iterate_accounts)->ArgName ("use_rocksdb")->Arg (0)->Arg (1);

nano/secure/generate_cache_flags.hpp

@@ -14,5 +14,17 @@ class generate_cache_flags
 	bool block_count = true;
 
 	void enable_all ();
+
+public:
+	static generate_cache_flags all_disabled ()
+	{
+		generate_cache_flags flags;
+		flags.reps = false;
+		flags.cemented_count = false;
+		flags.unchecked_count = false;
+		flags.account_count = false;
+		flags.block_count = false;
+		return flags;
+	}
 };
 }

nano/store/lmdb/lmdb.hpp

@@ -64,6 +64,7 @@ class component : public nano::store::component
 
 public:
 	component (nano::logger &, std::filesystem::path const &, nano::ledger_constants & constants, nano::txn_tracking_config const & txn_tracking_config_a = nano::txn_tracking_config{}, std::chrono::milliseconds block_processor_batch_max_time_a = std::chrono::milliseconds (5000), nano::lmdb_config const & lmdb_config_a = nano::lmdb_config{}, bool backup_before_upgrade = false);
+
 	store::write_transaction tx_begin_write (std::vector<nano::tables> const & tables_requiring_lock = {}, std::vector<nano::tables> const & tables_no_lock = {}) override;
 	store::read_transaction tx_begin_read () const override;