old_contents: import os
  import unittest
  import numba
  
  from sdc.tests.test_base import TestCase
  from sdc.tests.tests_perf.test_perf_utils import *
  
  
  class TestBase(TestCase):
      iter_number = 5
      results_class = TestResults
  
      @classmethod
      def create_test_results(cls):
          drivers = []
          if is_true(os.environ.get('SDC_TEST_PERF_EXCEL', True)):
              drivers.append(ExcelResultsDriver('perf_results.xlsx'))
          if is_true(os.environ.get('SDC_TEST_PERF_CSV', False)):
              drivers.append(CSVResultsDriver('perf_results.csv'))
  
          results = cls.results_class(drivers)
  
          if is_true(os.environ.get('LOAD_PREV_RESULTS')):
              results.load()
  
          return results
  
      @classmethod
      def setUpClass(cls):
          cls.test_results = cls.create_test_results()
  
          cls.total_data_length = []
          cls.num_threads = int(os.environ.get('NUMBA_NUM_THREADS', config.NUMBA_NUM_THREADS))
          cls.threading_layer = os.environ.get('NUMBA_THREADING_LAYER', config.THREADING_LAYER)
  
      @classmethod
      def tearDownClass(cls):
          # TODO: https://jira.devtools.intel.com/browse/SAT-2371
          cls.test_results.print()
          cls.test_results.dump()
  
      def _test_jitted(self, pyfunc, record, *args, **kwargs):
          # compilation time
          record["compile_results"] = calc_compilation(pyfunc, *args, **kwargs)
  
          cfunc = self.jit(pyfunc)
  
          # execution and boxing time
          record["test_results"], record["boxing_results"] = \
              get_times(cfunc, *args, **kwargs)
  
      def _test_python(self, pyfunc, record, *args, **kwargs):
          record["test_results"], _ = \
              get_times(pyfunc, *args, **kwargs)
  
      def _test_jit(self, pyfunc, base, *args):
          record = base.copy()
          record["test_type"] = 'SDC'
          self._test_jitted(pyfunc, record, *args)
          self.test_results.add(**record)
  
      def _test_py(self, pyfunc, base, *args):
          record = base.copy()
          record["test_type"] = 'Python'
          self._test_python(pyfunc, record, *args)
          self.test_results.add(**record)
  
new_contents: import os
  import unittest
  import numba
  
  from sdc.tests.test_base import TestCase
  from sdc.tests.tests_perf.test_perf_utils import *
  
  
  class TestBase(TestCase):
      iter_number = 5
      results_class = TestResults
  
      @classmethod
      def create_test_results(cls):
          drivers = []
          if is_true(os.environ.get('SDC_TEST_PERF_EXCEL', True)):
              drivers.append(ExcelResultsDriver('perf_results.xlsx'))
          if is_true(os.environ.get('SDC_TEST_PERF_CSV', False)):
              drivers.append(CSVResultsDriver('perf_results.csv'))
  
          results = cls.results_class(drivers)
  
          if is_true(os.environ.get('LOAD_PREV_RESULTS')):
              results.load()
  
          return results
  
      @classmethod
      def setUpClass(cls):
          cls.test_results = cls.create_test_results()
  
          cls.total_data_length = []
          cls.num_threads = int(os.environ.get('NUMBA_NUM_THREADS', config.NUMBA_NUM_THREADS))
          cls.threading_layer = os.environ.get('NUMBA_THREADING_LAYER', config.THREADING_LAYER)
  
      @classmethod
      def tearDownClass(cls):
          # TODO: https://jira.devtools.intel.com/browse/SAT-2371
          cls.test_results.print()
          cls.test_results.dump()
  
      def _test_jitted(self, pyfunc, record, *args, **kwargs):
          # compilation time
          record["compile_results"] = calc_compilation(pyfunc, *args, **kwargs)
  
          cfunc = self.jit(pyfunc)
  
          # execution and boxing time
          record["test_results"], record["boxing_results"] = \
              get_times(cfunc, *args, **kwargs)
  
      def _test_python(self, pyfunc, record, *args, **kwargs):
          record["test_results"], _ = \
              get_times(pyfunc, *args, **kwargs)
  
      def _test_jit(self, pyfunc, base, *args):
          record = base.copy()
          record["test_type"] = 'SDC'
          self._test_jitted(pyfunc, record, *args)
          self.test_results.add(**record)
  
      def _test_py(self, pyfunc, base, *args):
          skip = 'NUMBA_NUM_THREADS' in os.environ and config.NUMBA_NUM_THREADS > 1
          if skip:
              return
  
          record = base.copy()
          record["test_type"] = 'Python'
          self._test_python(pyfunc, record, *args)
          self.test_results.add(**record)
  
subject: Disable perf tests for Python if NUMBA_NUM_THREADS > 1 (#648)