diff --git a/src/lib/analysis/compounds.ts b/src/lib/analysis/compounds.ts
index 371c825..ee674c9 100644
--- a/src/lib/analysis/compounds.ts
+++ b/src/lib/analysis/compounds.ts
@@ -1,7 +1,7 @@
 import type { AtomInterface, LinkInterface } from '../types/atomic';
 import type {
   Compound,
-  CompoundsAnalyzerInterface,
+  CompoundsAnalyzerSummary,
   CompoundsCollectorInterface,
   CompoundsSummary,
 } from '../types/analysis';
@@ -51,7 +51,7 @@ export class CompoundsCollector implements CompoundsCollectorInterface {
   }
 }
 
-export class CompoundsAnalyzer implements CompoundsAnalyzerInterface {
+export class CompoundsAnalyzer implements CompoundsAnalyzerSummary {
   private readonly compounds: Array<Compound>;
   private readonly compoundsTypesMap: Array<Compound[]>;
   private readonly atoms: Array<AtomInterface>;
@@ -83,6 +83,15 @@ export class CompoundsAnalyzer implements CompoundsAnalyzerInterface {
     ));
   }
 
+  get summary(): CompoundsAnalyzerSummary {
+    return {
+      length: this.length,
+      lengthByTypes: this.lengthByTypes,
+      itemLengthSummary: this.itemLengthSummary,
+      itemLengthByTypesSummary: this.itemLengthByTypesSummary,
+    }
+  }
+
   private groupCompoundsByTypes(): Array<Compound[]> {
     const typesMap: Record<number, Compound[]> = {};
 
diff --git a/src/lib/types/analysis.ts b/src/lib/types/analysis.ts
index 4405cad..4876444 100644
--- a/src/lib/types/analysis.ts
+++ b/src/lib/types/analysis.ts
@@ -68,7 +68,7 @@ export interface CompoundsCollectorInterface {
   getCompounds(): Array<Compound>;
 }
 
-export interface CompoundsAnalyzerInterface {
+export type CompoundsAnalyzerSummary = {
   length: number;
   lengthByTypes: number[];
   itemLengthSummary: CompoundsSummary;
diff --git a/src/scripts/actions/test-simulation-parallel.ts b/src/scripts/actions/test-simulation-parallel.ts
index 4d2e764..105ee73 100644
--- a/src/scripts/actions/test-simulation-parallel.ts
+++ b/src/scripts/actions/test-simulation-parallel.ts
@@ -1,13 +1,19 @@
+import os from 'os';
 import { Pool } from "multiprocess-pool";
+import type { InitialConfig, TypesConfig, WorldConfig } from '@/lib/types/config';
+import { createBaseWorldConfig } from '@/lib/config/world';
+import { createBaseTypesConfig } from '@/lib/config/types';
+import { create2dBaseInitialConfig } from '@/lib/config/initial';
 
-export const simulationTask = async (id: number) => {
+export const simulationTask = async (
+  [id, worldConfig, typesConfig, initialConfig, steps]: [number, WorldConfig, TypesConfig, InitialConfig, number],
+) => {
   console.log(`-> task ${id} started`);
   const ts = Date.now();
 
+  worldConfig.TEMPERATURE_FUNCTION = () => 1;
+
   const dirName = __dirname.replace('/node_modules/multiprocess-pool/dist', '/src');
-  const { createBaseWorldConfig } = await import(`${dirName}/lib/config/world`);
-  const { createBaseTypesConfig } = await import(`${dirName}/lib/config/types`);
-  const { create2dBaseInitialConfig } = await import(`${dirName}/lib/config/initial`);
   const { createPhysicModel } = await import(`${dirName}/lib/utils/functions`);
   const { create2dRandomDistribution } = await import(`${dirName}/lib/config/atoms`);
   const { createDummyDrawer } = await import(`${dirName}/lib/drawer/dummy`);
@@ -15,10 +21,6 @@ export const simulationTask = async (id: number) => {
   const { Runner } = await import(`${dirName}/lib/runner`);
   const { CompoundsAnalyzer } = await import(`${dirName}/lib/analysis/compounds`);
 
-  const worldConfig = createBaseWorldConfig();
-  const typesConfig = createBaseTypesConfig();
-  const initialConfig = create2dBaseInitialConfig();
-
   const sim = new Simulation({
     viewMode: '2d',
     worldConfig: worldConfig,
@@ -30,27 +32,42 @@ export const simulationTask = async (id: number) => {
   });
 
   const runner = new Runner(sim);
-  runner.runSteps(500);
-
-  // console.log(sim.summary);
+  runner.runSteps(steps);
 
   const compounds = new CompoundsAnalyzer(sim.exportCompounds(), sim.atoms);
-  // console.log(compounds.lengthByTypes);
-  // console.log(compounds.itemLengthSummary);
-  // console.log(compounds.itemLengthByTypesSummary);
 
   console.log(`<- task ${id} finished in ${Date.now() - ts} ms`);
 
-  return compounds.lengthByTypes;
+  return {
+    world: sim.summary,
+    compounds: compounds.summary,
+  };
 }
 
-export const actionTestParallelSimulation = async (...args: string[]) => {
+export const actionTestSimulationParallel = async (...args: string[]) => {
   console.log('[START] test parallel simulation action', args);
   const ts = Date.now();
 
-  const inputs = [1, 2, 3, 4, 5, 6, 7, 8];
+  const worldConfig = createBaseWorldConfig();
+  const typesConfig = createBaseTypesConfig();
+  const initialConfig = create2dBaseInitialConfig();
+  const stepsCount = 300;
+
+  const inputs = [
+    [1, worldConfig, typesConfig, initialConfig, stepsCount],
+    [2, worldConfig, typesConfig, initialConfig, stepsCount],
+    [3, worldConfig, typesConfig, initialConfig, stepsCount],
+    [4, worldConfig, typesConfig, initialConfig, stepsCount],
+    [5, worldConfig, typesConfig, initialConfig, stepsCount],
+    [6, worldConfig, typesConfig, initialConfig, stepsCount],
+    [7, worldConfig, typesConfig, initialConfig, stepsCount],
+    [8, worldConfig, typesConfig, initialConfig, stepsCount],
+  ];
+
+  const cpuCount = os.cpus().length;
+  console.log('CPUs:', cpuCount);
 
-  const pool = new Pool(20);
+  const pool = new Pool(cpuCount);
   const result = await pool.map(inputs, simulationTask);
   console.log(result);
 
diff --git a/src/scripts/tool.ts b/src/scripts/tool.ts
index 87aed76..46f8fbe 100644
--- a/src/scripts/tool.ts
+++ b/src/scripts/tool.ts
@@ -1,12 +1,12 @@
 import { createRouter } from '@/scripts/lib/helpers';
 import { actionTestSimulation } from '@/scripts/actions/test-simulation';
 import { actionTestParallel } from "@/scripts/actions/test-parallel";
-import { actionTestParallelSimulation } from "@/scripts/actions/test-simulation-parallel";
+import { actionTestSimulationParallel } from "@/scripts/actions/test-simulation-parallel";
 
 const router = createRouter();
 
 router.add('test-simulation', actionTestSimulation);
 router.add('test-parallel', actionTestParallel);
-router.add('test-parallel-simulation', actionTestParallelSimulation);
+router.add('test-simulation-parallel', actionTestSimulationParallel);
 
 router.run(process.argv);