Update benchmark doc

Author: Artem Labazin

benchmark/README.md

@@ -4,21 +4,21 @@
 
 * **JMH version:** 1.21
 
-* **VM version:** JDK 1.8.0_161, Java HotSpot(TM) 64-Bit Server VM, 25.161-b12
+* **VM version:** JDK 1.8.0_181, Java HotSpot(TM) 64-Bit Server VM, 25.181-b13
 
-* **VM options:** <none>
+* **VM options:** -Xms1G -Xmx2G
 
-* **Warmup:** 5 iterations, 10 s each
+* **Warmup:** 10 iterations, 10 s each
 
-* **Measurement:** 5 iterations, 10 s each
+* **Measurement:** 20 iterations, 10 s each
 
 * **Timeout:** 10 min per iteration
 
 * **Threads:** 1 thread, will synchronize iterations
 
 * **Benchmark mode:** Throughput, ops/time
 
-## Results
+## The results
 
 | Benchmark                                                                                                      | Mode  | Cnt | Score       | Error       | Units |
 |----------------------------------------------------------------------------------------------------------------|-------|-----|------------:|------------:|-------|
@@ -29,7 +29,41 @@
 | [JInterfaceBenchmark.node2node](./src/main/java/io/appulse/encon/benchmark/JInterfaceBenchmark.java#L175)      | thrpt | 25  |   13850.978 |   ± 126.660 | ops/s |
 | [JInterfaceBenchmark.oneDirection](./src/main/java/io/appulse/encon/benchmark/JInterfaceBenchmark.java#L165)   | thrpt | 25  |   27590.545 |   ± 253.874 | ops/s |
 
-How to run the benchmarks:
+## How to setup the environment
+
+1. Add Java repository:
+
+```bash
+$> sudo add-apt-repository ppa:webupd8team/java
+```
+
+2. Update and upgrade the distro:
+
+```bash
+$> sudo apt-get update && sudo apt-get upgrade
+```
+
+3. Install `Git`, `Java 8` and `Maven`:
+
+```bash
+$> sudo apt-get install oracle-java8-installer git maven
+```
+
+4. Clone the repo:
+
+```bash
+$> git clone https://github.com/appulse-projects/encon-java.git
+```
+
+## How to run the benchmarks
+
+1. Go to the project's root:
+
+```bash
+$> cd encon-java
+```
+
+2. Build the project with only needed dependencies:
 
 ```bash
 $> mvn clean package \
@@ -39,6 +73,11 @@ $> mvn clean package \
      -Dpmd.skip=true \
      -Dcheckstyle.skip \
      -Dmaven.test.skip=true \
-     -pl benchmark -am; and \
-   java -Xms1G -Xmx2G -jar benchmark/target/benchmarks.jar
+     -pl benchmark -am
+```
+
+3. Run the tests
+
+```bash
+$> nohup java -Xms1G -Xmx2G -jar benchmark/target/benchmarks.jar > job.logs 2>&1 &
 ```