diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b00a617cd..75bb98be1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1120,7 +1120,9 @@ jobs:
           python3 scripts/run_perf_counter.py --required-tests-number=2
       - name: Run perf tests
         run: |
-          source scripts/generate_perf_results.sh
+          bash -e scripts/generate_perf_results.sh
+        env:
+          OMP_NUM_THREADS: 4
       - name: Archive results
         uses: montudor/action-zip@v1
         with:
diff --git a/tasks/stl/example/perf_tests/main.cpp b/tasks/stl/example/perf_tests/main.cpp
index 7d5065dfe..e7937bcec 100644
--- a/tasks/stl/example/perf_tests/main.cpp
+++ b/tasks/stl/example/perf_tests/main.cpp
@@ -11,7 +11,7 @@
 #include "stl/example/include/ops_stl.hpp"
 
 TEST(nesterov_a_test_task_stl, test_pipeline_run) {
-  constexpr int kCount = 700;
+  constexpr int kCount = 450;
 
   // Create data
   std::vector<int> in(kCount * kCount, 0);
@@ -52,7 +52,7 @@ TEST(nesterov_a_test_task_stl, test_pipeline_run) {
 }
 
 TEST(nesterov_a_test_task_stl, test_task_run) {
-  constexpr int kCount = 700;
+  constexpr int kCount = 450;
 
   // Create data
   std::vector<int> in(kCount * kCount, 0);
diff --git a/tasks/tbb/example/perf_tests/main.cpp b/tasks/tbb/example/perf_tests/main.cpp
index b6e4fedae..7a6fee999 100644
--- a/tasks/tbb/example/perf_tests/main.cpp
+++ b/tasks/tbb/example/perf_tests/main.cpp
@@ -11,7 +11,7 @@
 #include "tbb/example/include/ops_tbb.hpp"
 
 TEST(nesterov_a_test_task_tbb, test_pipeline_run) {
-  constexpr int kCount = 700;
+  constexpr int kCount = 450;
 
   // Create data
   std::vector<int> in(kCount * kCount, 0);
@@ -52,7 +52,7 @@ TEST(nesterov_a_test_task_tbb, test_pipeline_run) {
 }
 
 TEST(nesterov_a_test_task_tbb, test_task_run) {
-  constexpr int kCount = 700;
+  constexpr int kCount = 450;
 
   // Create data
   std::vector<int> in(kCount * kCount, 0);