diff --git a/tests/core/pyspec/eth2spec/gen_helpers/gen_base/gen_runner.py b/tests/core/pyspec/eth2spec/gen_helpers/gen_base/gen_runner.py
index c8b7f0c039..2562c7fad9 100644
--- a/tests/core/pyspec/eth2spec/gen_helpers/gen_base/gen_runner.py
+++ b/tests/core/pyspec/eth2spec/gen_helpers/gen_base/gen_runner.py
@@ -11,7 +11,6 @@
 import json
 from typing import Iterable, AnyStr, Any, Callable
 import traceback
-import multiprocessing
 from collections import namedtuple
 
 from ruamel.yaml import (
@@ -28,21 +27,19 @@
 from eth2spec.test.exceptions import SkippedTest
 
 from .gen_typing import TestProvider
+from .settings import (
+    GENERATOR_MODE,
+    MODE_MULTIPROCESSING,
+    MODE_SINGLE_PROCESS,
+    NUM_PROCESS,
+    TIME_THRESHOLD_TO_PRINT,
+)
 
 
 # Flag that the runner does NOT run test via pytest
 context.is_pytest = False
 
 
-TIME_THRESHOLD_TO_PRINT = 1.0  # seconds
-
-# Generator mode setting
-MODE_SINGLE_PROCESS = 'MODE_SINGLE_PROCESS'
-MODE_MULTIPROCESSING = 'MODE_MULTIPROCESSING'
-
-GENERATOR_MODE = MODE_MULTIPROCESSING
-
-
 @dataclass
 class Diagnostics(object):
     collected_test_count: int = 0
@@ -243,8 +240,7 @@ def run_generator(generator_name, test_providers: Iterable[TestProvider]):
                 all_test_case_params.append(item)
 
     if GENERATOR_MODE == MODE_MULTIPROCESSING:
-        num_process = multiprocessing.cpu_count() // 2 - 1
-        with Pool(processes=num_process) as pool:
+        with Pool(processes=NUM_PROCESS) as pool:
             results = pool.map(worker_function, iter(all_test_case_params))
 
         for result in results:
diff --git a/tests/core/pyspec/eth2spec/gen_helpers/gen_base/settings.py b/tests/core/pyspec/eth2spec/gen_helpers/gen_base/settings.py
new file mode 100644
index 0000000000..b8c3e591fb
--- /dev/null
+++ b/tests/core/pyspec/eth2spec/gen_helpers/gen_base/settings.py
@@ -0,0 +1,13 @@
+import multiprocessing
+
+
+# Generator mode setting
+MODE_SINGLE_PROCESS = 'MODE_SINGLE_PROCESS'
+MODE_MULTIPROCESSING = 'MODE_MULTIPROCESSING'
+# Test generator mode
+GENERATOR_MODE = MODE_MULTIPROCESSING
+# Number of subprocesses when using MODE_MULTIPROCESSING
+NUM_PROCESS = multiprocessing.cpu_count() // 2 - 1
+
+# Diagnostics
+TIME_THRESHOLD_TO_PRINT = 1.0  # seconds