diff --git a/progaudi.tarantool.sln b/progaudi.tarantool.sln
index 887fd550..f5bf9ae9 100644
--- a/progaudi.tarantool.sln
+++ b/progaudi.tarantool.sln
@@ -1,12 +1,14 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26228.9
+VisualStudioVersion = 15.0.26430.12
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "progaudi.tarantool", "src\progaudi.tarantool\progaudi.tarantool.csproj", "{DD007E9F-FB2D-4351-AAB7-F2D367B295C4}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "progaudi.tarantool.tests", "tests\progaudi.tarantool.tests\progaudi.tarantool.tests.csproj", "{4C681801-9A6B-4CE9-8EAA-23F80917F046}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "progaudi.benchmark.async-await", "src\progaudi.benchmark.async-await\progaudi.benchmark.async-await.csproj", "{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -41,6 +43,18 @@ Global
 		{4C681801-9A6B-4CE9-8EAA-23F80917F046}.Release|x64.Build.0 = Release|Any CPU
 		{4C681801-9A6B-4CE9-8EAA-23F80917F046}.Release|x86.ActiveCfg = Release|Any CPU
 		{4C681801-9A6B-4CE9-8EAA-23F80917F046}.Release|x86.Build.0 = Release|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Debug|x64.Build.0 = Debug|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Debug|x86.Build.0 = Debug|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Release|x64.ActiveCfg = Release|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Release|x64.Build.0 = Release|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Release|x86.ActiveCfg = Release|Any CPU
+		{5EA5C959-4A4F-4186-A2DC-F6028EF056C0}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/src/progaudi.benchmark.async-await/Benchmark.cs b/src/progaudi.benchmark.async-await/Benchmark.cs
new file mode 100644
index 00000000..2dc23094
--- /dev/null
+++ b/src/progaudi.benchmark.async-await/Benchmark.cs
@@ -0,0 +1,22 @@
+using System.Threading.Tasks;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Attributes.Jobs;
+using ProGaudi.Tarantool.Client;
+using ProGaudi.Tarantool.Client.Model.Responses;
+
+namespace ProGaudi.Tarantool.Benchmark.Async_Await
+{
+    [CoreJob]
+    public class Benchmark
+    {
+        private readonly Box _box;
+
+        public Benchmark()
+        {
+            this._box = Box.Connect("localhost", 3301).GetAwaiter().GetResult();
+        }
+
+        [Benchmark]
+        public async Task<DataResponse<int[]>> Call() => await _box.Call<int>("test_for_benchmarking");
+    }
+}
diff --git a/src/progaudi.benchmark.async-await/BenchmarkDotNet.Artifacts/results/Benchmark-report-github.md b/src/progaudi.benchmark.async-await/BenchmarkDotNet.Artifacts/results/Benchmark-report-github.md
new file mode 100644
index 00000000..15dcd5db
--- /dev/null
+++ b/src/progaudi.benchmark.async-await/BenchmarkDotNet.Artifacts/results/Benchmark-report-github.md
@@ -0,0 +1,15 @@
+``` ini
+
+BenchmarkDotNet=v0.10.7, OS=Windows 10 Redstone 2 (10.0.15063)
+Processor=Intel Core i5-4590 CPU 3.30GHz (Haswell), ProcessorCount=4
+Frequency=3215209 Hz, Resolution=311.0218 ns, Timer=TSC
+dotnet cli version=1.0.0
+  [Host] : .NET Core 4.6.25211.01, 64bit RyuJIT
+  Core   : .NET Core 4.6.25211.01, 64bit RyuJIT
+
+Job=Core  Runtime=Core  
+
+```
+ | Method |     Mean |    Error |   StdDev |
+ |------- |---------:|---------:|---------:|
+ |   Call | 448.1 us | 16.68 us | 47.86 us |
diff --git a/src/progaudi.benchmark.async-await/BenchmarkDotNet.Artifacts/results/Benchmark-report.csv b/src/progaudi.benchmark.async-await/BenchmarkDotNet.Artifacts/results/Benchmark-report.csv
new file mode 100644
index 00000000..c95ffdcc
--- /dev/null
+++ b/src/progaudi.benchmark.async-await/BenchmarkDotNet.Artifacts/results/Benchmark-report.csv
@@ -0,0 +1,2 @@
+Method;Job;AnalyzeLaunchVariance;EvaluateOverhead;MaxAbsoluteError;MaxRelativeError;MinInvokeCount;MinIterationTime;RemoveOutliers;Affinity;Jit;Platform;Runtime;AllowVeryLargeObjects;Concurrent;CpuGroups;Force;RetainVm;Server;Clock;EngineFactory;Toolchain;InvocationCount;IterationTime;LaunchCount;RunStrategy;TargetCount;UnrollFactor;WarmupCount;Mean;Error;StdDev
+Call;Core;False;Default;Default;Default;Default;Default;Default;15;RyuJit;X64;Core;False;True;False;True;False;False;Default;Default;Default;1;Default;Default;Default;Default;16;Default;448.1 us;16.68 us;47.86 us
diff --git a/src/progaudi.benchmark.async-await/BenchmarkDotNet.Artifacts/results/Benchmark-report.html b/src/progaudi.benchmark.async-await/BenchmarkDotNet.Artifacts/results/Benchmark-report.html
new file mode 100644
index 00000000..2dcce5a3
--- /dev/null
+++ b/src/progaudi.benchmark.async-await/BenchmarkDotNet.Artifacts/results/Benchmark-report.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html lang='en'>
+<head>
+<meta charset='utf-8' />
+<title>Benchmark</title>
+
+<style type="text/css">
+	table { border-collapse: collapse; display: block; width: 100%; overflow: auto; }
+	td, th { padding: 6px 13px; border: 1px solid #ddd; }
+	tr { background-color: #fff; border-top: 1px solid #ccc; }
+	tr:nth-child(even) { background: #f8f8f8; }
+</style>
+</head>
+<body>
+<pre><code>
+BenchmarkDotNet=v0.10.7, OS=Windows 10 Redstone 2 (10.0.15063)
+Processor=Intel Core i5-4590 CPU 3.30GHz (Haswell), ProcessorCount=4
+Frequency=3215209 Hz, Resolution=311.0218 ns, Timer=TSC
+dotnet cli version=1.0.0
+  [Host] : .NET Core 4.6.25211.01, 64bit RyuJIT
+  Core   : .NET Core 4.6.25211.01, 64bit RyuJIT
+</code></pre>
+<pre><code>Job=Core  Runtime=Core  
+</code></pre>
+
+<table>
+<thead><tr><th>Method</th><th>Mean</th><th>Error</th><th>StdDev</th>
+</tr>
+</thead><tbody><tr><td>Call</td><td>448.1 us</td><td>16.68 us</td><td>47.86 us</td>
+</tr></tbody></table>
+</body>
+</html>
diff --git a/src/progaudi.benchmark.async-await/Program.cs b/src/progaudi.benchmark.async-await/Program.cs
new file mode 100644
index 00000000..5f32c882
--- /dev/null
+++ b/src/progaudi.benchmark.async-await/Program.cs
@@ -0,0 +1,9 @@
+using BenchmarkDotNet.Running;
+
+namespace ProGaudi.Tarantool.Benchmark.Async_Await
+{
+    public static class Program
+    {
+        public static void Main() => BenchmarkRunner.Run<Benchmark>();
+    }
+}
\ No newline at end of file
diff --git a/src/progaudi.benchmark.async-await/progaudi.benchmark.async-await.csproj b/src/progaudi.benchmark.async-await/progaudi.benchmark.async-await.csproj
new file mode 100644
index 00000000..1ad13b87
--- /dev/null
+++ b/src/progaudi.benchmark.async-await/progaudi.benchmark.async-await.csproj
@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp1.1</TargetFramework>
+    <RootNamespace>ProGaudi.Tarantool.Benchmark.Async_Await</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.10.7" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\progaudi.tarantool\progaudi.tarantool.csproj" />
+  </ItemGroup>
+
+</Project>
\ No newline at end of file
diff --git a/src/progaudi.tarantool/Box.cs b/src/progaudi.tarantool/Box.cs
index bbbda29f..4d98a2e7 100644
--- a/src/progaudi.tarantool/Box.cs
+++ b/src/progaudi.tarantool/Box.cs
@@ -21,9 +21,9 @@ public Box(ClientOptions options)
             Metrics = new Metrics(_logicalConnection);
         }
 
-        public async Task Connect()
+        public Task Connect()
         {
-            await _logicalConnection.Connect();
+            return _logicalConnection.Connect();
         }
 
         public static async Task<Box> Connect(string replicationSource)
@@ -38,13 +38,7 @@ public Metrics Metrics
             get;
         }
 
-        public bool IsConnected
-        {
-            get
-            {
-                return _logicalConnection.IsConnected();
-            }
-        }
+        public bool IsConnected => _logicalConnection.IsConnected();
 
         public static Task<Box> Connect(string host, int port)
         {
@@ -69,15 +63,15 @@ public ISchema GetSchema()
             return new Schema(_logicalConnection);
         }
 
-        public async Task Call_1_6(string functionName)
+        public Task Call_1_6(string functionName)
         {
-            await Call_1_6<TarantoolTuple, TarantoolTuple>(functionName, TarantoolTuple.Empty);
+            return Call_1_6<TarantoolTuple, TarantoolTuple>(functionName, TarantoolTuple.Empty);
         }
 
-        public async Task Call_1_6<TTuple>(string functionName, TTuple parameters)
+        public Task Call_1_6<TTuple>(string functionName, TTuple parameters)
             where TTuple : ITarantoolTuple
         {
-            await Call_1_6<TTuple, TarantoolTuple>(functionName, parameters);
+            return Call_1_6<TTuple, TarantoolTuple>(functionName, parameters);
         }
 
         public Task<DataResponse<TResponse[]>> Call_1_6<TResponse>(string functionName)
@@ -86,23 +80,23 @@ public Task<DataResponse<TResponse[]>> Call_1_6<TResponse>(string functionName)
             return Call_1_6<TarantoolTuple, TResponse>(functionName, TarantoolTuple.Empty);
         }
 
-        public async Task<DataResponse<TResponse[]>> Call_1_6<TTuple, TResponse>(string functionName, TTuple parameters)
+        public Task<DataResponse<TResponse[]>> Call_1_6<TTuple, TResponse>(string functionName, TTuple parameters)
             where TTuple : ITarantoolTuple
             where TResponse : ITarantoolTuple
         {
             var callRequest = new CallRequest<TTuple>(functionName, parameters, false);
-            return await _logicalConnection.SendRequest<CallRequest<TTuple>, TResponse>(callRequest);
+            return _logicalConnection.SendRequest<CallRequest<TTuple>, TResponse>(callRequest);
         }
 
-        public async Task Call(string functionName)
+        public Task Call(string functionName)
         {
-            await Call<TarantoolTuple, TarantoolTuple>(functionName, TarantoolTuple.Empty);
+            return Call<TarantoolTuple, TarantoolTuple>(functionName, TarantoolTuple.Empty);
         }
 
-        public async Task Call<TTuple>(string functionName, TTuple parameters)
+        public Task Call<TTuple>(string functionName, TTuple parameters)
             where TTuple : ITarantoolTuple
         {
-            await Call<TTuple, TarantoolTuple>(functionName, parameters);
+            return Call<TTuple, TarantoolTuple>(functionName, parameters);
         }
 
         public Task<DataResponse<TResponse[]>> Call<TResponse>(string functionName)
@@ -110,18 +104,18 @@ public Task<DataResponse<TResponse[]>> Call<TResponse>(string functionName)
             return Call<TarantoolTuple, TResponse>(functionName, TarantoolTuple.Empty);
         }
 
-        public async Task<DataResponse<TResponse[]>> Call<TTuple, TResponse>(string functionName, TTuple parameters)
+        public Task<DataResponse<TResponse[]>> Call<TTuple, TResponse>(string functionName, TTuple parameters)
             where TTuple : ITarantoolTuple
         {
             var callRequest = new CallRequest<TTuple>(functionName, parameters);
-            return await _logicalConnection.SendRequest<CallRequest<TTuple>, TResponse>(callRequest);
+            return _logicalConnection.SendRequest<CallRequest<TTuple>, TResponse>(callRequest);
         }
 
-        public async Task<DataResponse<TResponse[]>> Eval<TTuple, TResponse>(string expression, TTuple parameters)
+        public Task<DataResponse<TResponse[]>> Eval<TTuple, TResponse>(string expression, TTuple parameters)
            where TTuple : ITarantoolTuple
         {
             var evalRequest = new EvalRequest<TTuple>(expression, parameters);
-            return await _logicalConnection.SendRequest<EvalRequest<TTuple>, TResponse>(evalRequest);
+            return _logicalConnection.SendRequest<EvalRequest<TTuple>, TResponse>(evalRequest);
         }
 
         public Task<DataResponse<TResponse[]>> Eval<TResponse>(string expression)
diff --git a/src/progaudi.tarantool/Index.cs b/src/progaudi.tarantool/Index.cs
index 4f7243ff..88305bc1 100644
--- a/src/progaudi.tarantool/Index.cs
+++ b/src/progaudi.tarantool/Index.cs
@@ -44,7 +44,7 @@ public Task<IEnumerable<TResult>> Pairs<TValue, TResult>(TValue value, Iterator
             throw new NotImplementedException();
         }
 
-        public async Task<DataResponse<TTuple[]>> Select<TKey, TTuple>(TKey key, SelectOptions options = null)
+        public Task<DataResponse<TTuple[]>> Select<TKey, TTuple>(TKey key, SelectOptions options = null)
             where TKey : ITarantoolTuple
             where TTuple : ITarantoolTuple
         {
@@ -56,33 +56,33 @@ public async Task<DataResponse<TTuple[]>> Select<TKey, TTuple>(TKey key, SelectO
                 options?.Iterator ?? Iterator.Eq,
                 key);
 
-            return await LogicalConnection.SendRequest<SelectRequest<TKey>, TTuple>(selectRequest);
+            return LogicalConnection.SendRequest<SelectRequest<TKey>, TTuple>(selectRequest);
         }
 
         ///Note: there is no such method in specification http://tarantool.org/doc/book/box/box_index.html.
         ///But common sense, and sources https://github.com/tarantool/tarantool/blob/1.7/src/box/lua/index.c says that that method sould be
-        public async Task<DataResponse<TTuple[]>> Insert<TTuple>(TTuple tuple)
+        public Task<DataResponse<TTuple[]>> Insert<TTuple>(TTuple tuple)
             where TTuple : ITarantoolTuple
         {
             var insertRequest = new InsertRequest<TTuple>(SpaceId, tuple);
 
-            return await LogicalConnection.SendRequest<InsertReplaceRequest<TTuple>, TTuple>(insertRequest);
+            return LogicalConnection.SendRequest<InsertReplaceRequest<TTuple>, TTuple>(insertRequest);
         }
 
         ///Note: there is no such method in specification http://tarantool.org/doc/book/box/box_index.html.
         ///But common sense, and sources https://github.com/tarantool/tarantool/blob/1.7/src/box/lua/index.c says that that method sould be
-        public async Task<DataResponse<TTuple[]>> Replace<TTuple>(TTuple tuple)
+        public Task<DataResponse<TTuple[]>> Replace<TTuple>(TTuple tuple)
             where TTuple : ITarantoolTuple
         {
             var replaceRequest = new ReplaceRequest<TTuple>(SpaceId, tuple);
 
-            return await LogicalConnection.SendRequest<InsertReplaceRequest<TTuple>, TTuple>(replaceRequest);
+            return LogicalConnection.SendRequest<InsertReplaceRequest<TTuple>, TTuple>(replaceRequest);
         }
 
-        public async Task<TTuple> Min<TTuple>()
+        public Task<TTuple> Min<TTuple>()
            where TTuple : ITarantoolTuple
         {
-            return await Min<TTuple, TarantoolTuple>(TarantoolTuple.Empty);
+            return Min<TTuple, TarantoolTuple>(TarantoolTuple.Empty);
         }
 
         public async Task<TTuple> Min<TTuple, TKey>(TKey key)
@@ -101,10 +101,10 @@ public async Task<TTuple> Min<TTuple, TKey>(TKey key)
             return minResponse.Data.SingleOrDefault();
         }
 
-        public async Task<TTuple> Max<TTuple>()
+        public Task<TTuple> Max<TTuple>()
             where TTuple : ITarantoolTuple
         {
-            return await Max<TTuple, TarantoolTuple>(TarantoolTuple.Empty);
+            return Max<TTuple, TarantoolTuple>(TarantoolTuple.Empty);
         }
 
         public async Task<TTuple> Max<TTuple, TKey>(TKey key = null)
@@ -135,7 +135,7 @@ public uint Count<TKey>(TKey key = null, Iterator it = Iterator.Eq)
             throw new NotImplementedException();
         }
 
-        public async Task<DataResponse<TTuple[]>> Update<TTuple, TKey>(TKey key, UpdateOperation[] updateOperations)
+        public Task<DataResponse<TTuple[]>> Update<TTuple, TKey>(TKey key, UpdateOperation[] updateOperations)
             where TKey : ITarantoolTuple
             where TTuple : ITarantoolTuple
         {
@@ -145,10 +145,10 @@ public async Task<DataResponse<TTuple[]>> Update<TTuple, TKey>(TKey key, UpdateO
                 key,
                 updateOperations);
 
-            return await LogicalConnection.SendRequest<UpdateRequest<TKey>, TTuple>(updateRequest);
+            return LogicalConnection.SendRequest<UpdateRequest<TKey>, TTuple>(updateRequest);
         }
 
-        public async Task Upsert<TKey>(TKey key, UpdateOperation[] updateOperations)
+        public Task Upsert<TKey>(TKey key, UpdateOperation[] updateOperations)
             where TKey : ITarantoolTuple
         {
             var updateRequest = new UpsertRequest<TKey>(
@@ -156,16 +156,16 @@ public async Task Upsert<TKey>(TKey key, UpdateOperation[] updateOperations)
                 key,
                 updateOperations);
 
-            await LogicalConnection.SendRequestWithEmptyResponse(updateRequest);
+            return LogicalConnection.SendRequestWithEmptyResponse(updateRequest);
         }
 
-        public async Task<DataResponse<TTuple[]>> Delete<TKey, TTuple>(TKey key)
+        public Task<DataResponse<TTuple[]>> Delete<TKey, TTuple>(TKey key)
             where TKey : ITarantoolTuple
             where TTuple : ITarantoolTuple
         {
             var deleteRequest = new DeleteRequest<TKey>(SpaceId, Id, key);
 
-            return await LogicalConnection.SendRequest<DeleteRequest<TKey>, TTuple>(deleteRequest);
+            return LogicalConnection.SendRequest<DeleteRequest<TKey>, TTuple>(deleteRequest);
         }
 
         public Task Alter(IndexCreationOptions options)
diff --git a/src/progaudi.tarantool/LogicalConnection.cs b/src/progaudi.tarantool/LogicalConnection.cs
index 47badb69..ce204884 100644
--- a/src/progaudi.tarantool/LogicalConnection.cs
+++ b/src/progaudi.tarantool/LogicalConnection.cs
@@ -123,10 +123,10 @@ public async Task SendRequestWithEmptyResponse<TRequest>(TRequest request, TimeS
             await SendRequestImpl<TRequest, EmptyResponse>(request, timeout);
         }
 
-        public async Task<DataResponse<TResponse[]>> SendRequest<TRequest, TResponse>(TRequest request, TimeSpan? timeout = null)
+        public Task<DataResponse<TResponse[]>> SendRequest<TRequest, TResponse>(TRequest request, TimeSpan? timeout = null)
             where TRequest : IRequest
         {
-            return await SendRequestImpl<TRequest, DataResponse<TResponse[]>>(request, timeout);
+            return SendRequestImpl<TRequest, DataResponse<TResponse[]>>(request, timeout);
         }
 
         public static byte[] ReadFully(Stream input)
diff --git a/tarantool/testdata.lua b/tarantool/testdata.lua
index 01d2c876..ea037f43 100644
--- a/tarantool/testdata.lua
+++ b/tarantool/testdata.lua
@@ -110,4 +110,10 @@ function clear_data(spaceNames)
 	for _, spaceName in ipairs(spaceNames) do
 		truncate_space(spaceName)
 	end
+end
+
+local test_int = 0
+function test_for_benchmarking()
+	test_int = test_int + 1
+	return test_int
 end
\ No newline at end of file