diff --git a/python/paddle/fluid/tests/unittests/test_newprofiler_helper.py b/python/paddle/fluid/tests/unittests/test_newprofiler_helper.py
new file mode 100755
index 0000000000000000000000000000000000000000..05e792003545688cfef3f1c7bd48ecf4d27daafe
--- /dev/null
+++ b/python/paddle/fluid/tests/unittests/test_newprofiler_helper.py
@@ -0,0 +1,137 @@
+#   Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import print_function
+
+import unittest
+
+import paddle.profiler.statistic_helper as statistic_helper
+
+
+class TestStatisticHelper(unittest.TestCase):
+    def test_sum_ranges_case1(self):
+        src = [(1, 3), (4, 10), (11, 15)]
+        self.assertEqual(statistic_helper.sum_ranges(src), 12)
+
+    def test_sum_ranges_case2(self):
+        src = [(3, 3), (5, 5), (7, 7)]
+        self.assertEqual(statistic_helper.sum_ranges(src), 0)
+
+    def test_merge_self_ranges_case1(self):
+        src = [(1, 5), (2, 7), (4, 9), (14, 19)]
+        dst = statistic_helper.merge_self_ranges(src)
+        self.assertEqual(dst, [(1, 9), (14, 19)])
+        src = [(4, 9), (14, 19), (1, 5), (2, 7)]
+        dst = statistic_helper.merge_self_ranges(src)
+        self.assertEqual(dst, [(1, 9), (14, 19)])
+
+    def test_merge_self_ranges_case2(self):
+        src = [(1, 1), (2, 3), (4, 7), (5, 12)]
+        dst = statistic_helper.merge_self_ranges(src)
+        self.assertEqual(dst, [(1, 1), (2, 3), (4, 12)])
+        src = [(5, 12), (1, 1), (2, 3), (4, 7)]
+        dst = statistic_helper.merge_self_ranges(src)
+        self.assertEqual(dst, [(1, 1), (2, 3), (4, 12)])
+
+    def test_merge_ranges_case1(self):
+        src1 = [(1, 2), (5, 7), (9, 14)]
+        src2 = [(1, 2), (4, 9), (13, 15)]
+        dst = statistic_helper.merge_ranges(src1, src2)
+        self.assertEqual(dst, [(1, 2), (4, 15)])
+        dst = statistic_helper.merge_ranges(src1, src2, True)
+        self.assertEqual(dst, [(1, 2), (4, 15)])
+        src1 = []
+        src2 = []
+        dst = statistic_helper.merge_ranges(src1, src2, True)
+        self.assertEqual(dst, [])
+        src1 = [(1, 2), (3, 5)]
+        src2 = []
+        dst = statistic_helper.merge_ranges(src1, src2, True)
+        self.assertEqual(dst, src1)
+        src1 = []
+        src2 = [(1, 2), (3, 5)]
+        dst = statistic_helper.merge_ranges(src1, src2, True)
+        self.assertEqual(dst, src2)
+        src1 = [(3, 4), (1, 2), (17, 19)]
+        src2 = [(6, 9), (13, 15)]
+        dst = statistic_helper.merge_ranges(src1, src2)
+        self.assertEqual(dst, [(1, 2), (3, 4), (6, 9), (13, 15), (17, 19)])
+        dst = statistic_helper.merge_ranges(src2, src1)
+        self.assertEqual(dst, [(1, 2), (3, 4), (6, 9), (13, 15), (17, 19)])
+        src1 = [(1, 2), (5, 9), (12, 13)]
+        src2 = [(6, 8), (9, 15)]
+        dst = statistic_helper.merge_ranges(src1, src2)
+        self.assertEqual(dst, [(1, 2), (5, 15)])
+        dst = statistic_helper.merge_ranges(src2, src1)
+        self.assertEqual(dst, [(1, 2), (5, 15)])
+
+    def test_merge_ranges_case2(self):
+        src1 = [(3, 4), (1, 2), (9, 14)]
+        src2 = [(6, 9), (13, 15)]
+        dst = statistic_helper.merge_ranges(src1, src2)
+        self.assertEqual(dst, [(1, 2), (3, 4), (6, 15)])
+        src2 = [(9, 14), (1, 2), (5, 7)]
+        src1 = [(4, 9), (1, 2), (13, 15)]
+        dst = statistic_helper.merge_ranges(src1, src2)
+        self.assertEqual(dst, [(1, 2), (4, 15)])
+
+    def test_intersection_ranges_case1(self):
+        src1 = [(1, 7), (9, 12), (14, 18)]
+        src2 = [(3, 8), (10, 13), (15, 19)]
+        dst = statistic_helper.intersection_ranges(src1, src2)
+        self.assertEqual(dst, [(3, 7), (10, 12), (15, 18)])
+        dst = statistic_helper.intersection_ranges(src1, src2, True)
+        self.assertEqual(dst, [(3, 7), (10, 12), (15, 18)])
+        src1 = []
+        src2 = []
+        dst = statistic_helper.intersection_ranges(src1, src2, True)
+        self.assertEqual(dst, [])
+        src1 = [(3, 7), (10, 12)]
+        src2 = [(2, 9), (11, 13), (15, 19)]
+        dst = statistic_helper.intersection_ranges(src1, src2)
+        self.assertEqual(dst, [(3, 7), (11, 12)])
+        dst = statistic_helper.intersection_ranges(src2, src1)
+        self.assertEqual(dst, [(3, 7), (11, 12)])
+
+    def test_intersection_ranges_case2(self):
+        src2 = [(9, 12), (1, 7), (14, 18)]
+        src1 = [(10, 13), (3, 8), (15, 19), (20, 22)]
+        dst = statistic_helper.intersection_ranges(src1, src2)
+        self.assertEqual(dst, [(3, 7), (10, 12), (15, 18)])
+        src2 = [(1, 7), (14, 18), (21, 23)]
+        src1 = [(6, 9), (10, 13)]
+        dst = statistic_helper.intersection_ranges(src1, src2, True)
+        self.assertEqual(dst, [(6, 7)])
+
+    def test_subtract_ranges_case1(self):
+        src1 = [(1, 10), (12, 15)]
+        src2 = [(3, 7), (9, 11)]
+        dst = statistic_helper.subtract_ranges(src1, src2, True)
+        self.assertEqual(dst, [(1, 3), (7, 9), (12, 15)])
+        src1 = [(1, 10), (12, 15)]
+        src2 = []
+        dst = statistic_helper.subtract_ranges(src1, src2, True)
+        self.assertEqual(dst, src1)
+        dst = statistic_helper.subtract_ranges(src2, src1, True)
+        self.assertEqual(dst, src2)
+
+    def test_subtract_ranges_case2(self):
+        src2 = [(12, 15), (1, 10)]
+        src1 = [(9, 11), (3, 7)]
+        dst = statistic_helper.subtract_ranges(src1, src2)
+        self.assertEqual(dst, [(10, 11)])
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/python/paddle/profiler/statistic_helper.py b/python/paddle/profiler/statistic_helper.py
new file mode 100644
index 0000000000000000000000000000000000000000..1f11649928a7fe72b0a4ae6f368c3c92debf060c
--- /dev/null
+++ b/python/paddle/profiler/statistic_helper.py
@@ -0,0 +1,225 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import collections
+
+
+def sum_ranges(ranges):
+    result = 0
+    for time_range in ranges:
+        result += (time_range[1] - time_range[0])
+    return result
+
+
+def merge_self_ranges(src_ranges, is_sorted=False):
+    merged_ranges = []
+    if len(src_ranges) > 0:
+        if not is_sorted:
+            src_ranges.sort(key=lambda x: x[0])
+        cur_indx = 0
+        merged_ranges.append((src_ranges[cur_indx][0], src_ranges[cur_indx][1]))
+        for cur_indx in range(1, len(src_ranges)):
+            if src_ranges[cur_indx][1] > merged_ranges[-1][1]:
+                if src_ranges[cur_indx][0] <= merged_ranges[-1][1]:
+                    merged_ranges[-1] = (merged_ranges[-1][0],
+                                         src_ranges[cur_indx][1])
+                else:
+                    merged_ranges.append(
+                        (src_ranges[cur_indx][0], src_ranges[cur_indx][1]))
+    return merged_ranges
+
+
+def merge_ranges(range_list1, range_list2, is_sorted=False):
+    merged_ranges = []
+    if not is_sorted:
+        range_list1 = merge_self_ranges(range_list1)
+        range_list2 = merge_self_ranges(range_list2)
+    len1 = len(range_list1)
+    len2 = len(range_list2)
+    if len1 == 0 and len2 == 0:
+        return merged_ranges
+    elif len1 == 0:
+        return range_list2
+    elif len2 == 0:
+        return range_list1
+    else:
+        indx1 = 0
+        indx2 = 0
+        range1 = range_list1[indx1]
+        range2 = range_list2[indx2]
+        if range1[0] < range2[0]:
+            merged_ranges.append(range1)
+            indx1 += 1
+        else:
+            merged_ranges.append(range2)
+            indx2 += 1
+        while indx1 < len1 and indx2 < len2:
+            range1 = range_list1[indx1]
+            range2 = range_list2[indx2]
+            if range1[0] < range2[0]:
+                if range1[1] > merged_ranges[-1][1]:
+                    if range1[0] <= merged_ranges[-1][1]:
+                        merged_ranges[-1] = (merged_ranges[-1][0], range1[1])
+                    else:
+                        merged_ranges.append((range1[0], range1[1]))
+                    indx1 += 1
+                else:
+                    indx1 += 1
+            else:
+                if range2[1] > merged_ranges[-1][1]:
+                    if range2[0] <= merged_ranges[-1][1]:
+                        merged_ranges[-1] = (merged_ranges[-1][0], range2[1])
+                    else:
+                        merged_ranges.append((range2[0], range2[1]))
+                    indx2 += 1
+                else:
+                    indx2 += 1
+
+        while indx1 < len1:
+            range1 = range_list1[indx1]
+            if range1[1] > merged_ranges[-1][1]:
+                if range1[0] <= merged_ranges[-1][1]:
+                    merged_ranges[-1] = (merged_ranges[-1][0], range1[1])
+                else:
+                    merged_ranges.append((range1[0], range1[1]))
+                indx1 += 1
+            else:
+                indx1 += 1
+        while indx2 < len2:
+            if range2[1] > merged_ranges[-1][1]:
+                if range2[0] <= merged_ranges[-1][1]:
+                    merged_ranges[-1] = (merged_ranges[-1][0], range2[1])
+                else:
+                    merged_ranges.append((range2[0], range2[1]))
+                indx2 += 1
+            else:
+                indx2 += 1
+    return merged_ranges
+
+
+def intersection_ranges(range_list1, range_list2, is_sorted=False):
+    result_range = []
+    if len(range_list1) == 0 or len(range_list2) == 0:
+        return result_range
+    if not is_sorted:
+        range_list1 = merge_self_ranges(range_list1)
+        range_list2 = merge_self_ranges(range_list2)
+
+    len1 = len(range_list1)
+    len2 = len(range_list2)
+    indx1 = 0
+    indx2 = 0
+    range1 = range_list1[indx1]
+    range2 = range_list2[indx2]
+    while indx1 < len1 and indx2 < len2:
+        if range2[1] <= range1[0]:
+            indx2 += 1
+            if indx2 == len2:
+                break
+            range2 = range_list2[indx2]
+
+        elif range2[0] <= range1[0] and range2[1] < range1[1]:
+            assert (range2[1] > range1[0])
+            result_range.append((range1[0], range2[1]))
+            range1 = (range2[1], range1[1])
+            indx2 += 1
+            if indx2 == len2:
+                break
+            range2 = range_list2[indx2]
+
+        elif range2[0] <= range1[0]:
+            assert (range2[1] >= range1[1])
+            result_range.append(range1)
+            range2 = (range1[1], range2[1])
+            indx1 += 1
+            if indx1 == len1:
+                break
+            range1 = range_list1[indx1]
+
+        elif range2[1] < range1[1]:
+            assert (range2[0] > range1[0])
+            result_range.append(range2)
+            range1 = (range2[1], range1[1])
+            indx2 += 1
+            if indx2 == len2:
+                break
+            range2 = range_list2[indx2]
+
+        elif range2[0] < range1[1]:
+            assert (range2[1] >= range1[1])
+            result_range.append((range2[0], range1[1]))
+            range2 = (range1[1], range2[1])
+            indx1 += 1
+            if indx1 == len1:
+                break
+            range1 = range_list1[indx1]
+
+        else:
+            assert (range2[0] >= range1[1])
+            indx1 += 1
+            if indx1 == len1:
+                break
+            range1 = range_list1[indx1]
+    return result_range
+
+
+def subtract_ranges(range_list1, range_list2, is_sorted=False):
+    result_range = []
+    if not is_sorted:
+        range_list1 = merge_self_ranges(range_list1)
+        range_list2 = merge_self_ranges(range_list2)
+    if len(range_list1) == 0:
+        return result_range
+    if len(range_list2) == 0:
+        return range_list1
+
+    len1 = len(range_list1)
+    len2 = len(range_list2)
+    indx1 = 0
+    indx2 = 0
+    range1 = range_list1[indx1]
+    range2 = range_list2[indx2]
+
+    while indx1 < len(range_list1):
+        if indx2 == len(range_list2):
+            result_range.append(range1)
+            indx1 += 1
+            if indx1 == len1:
+                break
+            range1 = range_list1[indx1]
+        elif range2[1] <= range1[0]:
+            indx2 += 1
+            if indx2 != len2:
+                range2 = range_list2[indx2]
+        elif range2[0] <= range1[0] and range2[1] < range1[1]:
+            range1 = (range2[1], range1[1])
+            indx2 += 1
+            if indx2 != len2:
+                range2 = range_list2[indx2]
+        elif range2[0] <= range1[0]:
+            assert (range2[1] >= range1[1])
+            range2 = (range1[1], range2[1])
+            indx1 += 1
+            if indx1 != len1:
+                range1 = range_list1[indx1]
+        elif range2[0] < range1[1]:
+            assert (range2[0] > range1[0])
+            result_range.append((range1[0], range2[0]))
+            range1 = (range2[0], range1[1])
+        else:
+            assert (range2[0] >= range1[1])
+            result_range.append(range1)
+            indx1 += 1
+            if indx1 != len1:
+                range1 = range_list1[indx1]
+    return result_range