measurements

romanovpv/task 1/linked_list.py

@@ -1,5 +1,5 @@
 def ll_create_node(name, phone):
-    return {'name': name, 'phone': phone}
+    return {'name': name, 'phone': phone, 'next': None}
 
 def ll_insert(head, name, phone):
     if head is None:
@@ -35,6 +35,9 @@ def ll_delete(head, name):
             current['next'] = current['next']['next']
             return head
         
+        current = current['next']
+    return head
+        
 def ll_list_all(head):
     items = []
     current = head

romanovpv/task 1/main.py

@@ -3,6 +3,9 @@ import random
 import linked_list as ll
 import hash_table as ht
 import bst
+import sys
+
+sys.setrecursionlimit(20000)
 
 def generate_records(n=10000):
     records =[]
@@ -12,14 +15,191 @@ def generate_records(n=10000):
         records.append((name, phone))
         
     records_sorted = list(records)       
-        
     records_shuffled = list(records)
     random.shuffle(records_shuffled)
         
     return records_sorted, records_shuffled
 
-print("Генерация данных")
 records_sorted, records_shuffled = generate_records()
-print(f"Данные готовы: {len(records_sorted)} элементов.")
+
-print(f"Пример (sorted): {records_sorted[:2]}")
+#SORTE
-print(f"Пример (shuffled): {records_shuffled[:2]}")
+print("Sorte:")
+
+#Linked list
+
+print("Linked list")
+
+#Вставка
+head = None
+start = time.perf_counter()
+for name, phone in records_sorted:
+    head = ll.ll_insert(head, name, phone)
+end = time.perf_counter()
+print(f"Insert: {end - start:.4f} sec")
+
+#Поиск
+existing = random.sample(records_sorted, 100)
+missing = [f"None_{i}" for i in range(10)]
+start = time.perf_counter()
+for name, _ in existing:
+    ll.ll_find(head, name)
+for name in missing:
+    ll.ll_find(head, name)
+end = time.perf_counter()
+print(f"Find (110): {end - start:.6f} sec")
+
+#Удаление
+to_delete = random.sample(records_sorted, 50)
+
+start = time.perf_counter()
+for name, _ in to_delete:
+    head = ll.ll_delete(head, name)
+end = time.perf_counter()
+print(f"Delete (50): {end - start:.6f} sec")
+
+#Hash table
+
+print("Hash table")
+
+#Вставка
+table = ht.ht_create()
+start = time.perf_counter()
+for name, phone in records_sorted:
+    ht.ht_insert(table, name, phone)
+end = time.perf_counter()
+print(f"Insert: {end - start:.4f} sec")
+
+#Поиск
+start = time.perf_counter()
+for name, _ in existing:
+    ht.ht_find(table, name)
+for name in missing:
+    ht.ht_find(table, name)
+end = time.perf_counter()
+print(f"Find (110): {end - start:.6f} sec")
+
+#УДаление
+start = time.perf_counter()
+for name, _ in to_delete:
+    ht.ht_delete(table, name)
+end = time.perf_counter()
+print(f"Delete (50): {end - start:.6f} sec")
+
+#BST
+
+print("BST")
+
+#Вставка
+root = None
+start = time.perf_counter()
+for name, phone in records_sorted:
+    root = bst.bst_insert(root, name, phone)
+end = time.perf_counter()
+print(f"Insert: {end - start:.4f} sec")
+
+#Поиск
+start = time.perf_counter()
+for name, _ in existing:
+    bst.bst_find(root, name)
+for name in missing:
+    bst.bst_find(root, name)
+end = time.perf_counter()
+print(f"Find (110): {end - start:.6f} sec")
+
+#Удаление
+start = time.perf_counter()
+for name, _ in to_delete:
+    root = bst.bst_delete(root, name)
+end = time.perf_counter()
+print(f"Delete (50): {end - start:.6f} sec")
+
+#SHUFFLE
+print("Shuffle:")
+
+#Linked list
+
+print("Linked list")
+
+#Вставка
+head = None
+start = time.perf_counter()
+for name, phone in records_shuffled:
+    head = ll.ll_insert(head, name, phone)
+end = time.perf_counter()
+print(f"Insert: {end - start:.4f} sec")
+
+#Поиск
+existing = random.sample(records_shuffled, 100)
+missing = [f"None_{i}" for i in range(10)]
+start = time.perf_counter()
+for name, _ in existing:
+    ll.ll_find(head, name)
+for name in missing:
+    ll.ll_find(head, name)
+end = time.perf_counter()
+print(f"Find (110): {end - start:.6f} sec")
+
+#Удаление
+to_delete = random.sample(records_shuffled, 50)
+
+start = time.perf_counter()
+for name, _ in to_delete:
+    head = ll.ll_delete(head, name)
+end = time.perf_counter()
+print(f"Delete (50): {end - start:.6f} sec")
+
+#Hash table
+
+print("Hash table")
+
+#Вставка
+table = ht.ht_create()
+start = time.perf_counter()
+for name, phone in records_shuffled:
+    ht.ht_insert(table, name, phone)
+end = time.perf_counter()
+print(f"Insert: {end - start:.4f} sec")
+
+#Поиск
+start = time.perf_counter()
+for name, _ in existing:
+    ht.ht_find(table, name)
+for name in missing:
+    ht.ht_find(table, name)
+end = time.perf_counter()
+print(f"Find (110): {end - start:.6f} sec")
+
+#УДаление
+start = time.perf_counter()
+for name, _ in to_delete:
+    ht.ht_delete(table, name)
+end = time.perf_counter()
+print(f"Delete (50): {end - start:.6f} sec")
+
+#BST
+
+print("BST")
+
+#Вставка
+root = None
+start = time.perf_counter()
+for name, phone in records_shuffled:
+    root = bst.bst_insert(root, name, phone)
+end = time.perf_counter()
+print(f"Insert: {end - start:.4f} sec")
+
+#Поиск
+start = time.perf_counter()
+for name, _ in existing:
+    bst.bst_find(root, name)
+for name in missing:
+    bst.bst_find(root, name)
+end = time.perf_counter()
+print(f"Find (110): {end - start:.6f} sec")
+
+#Удаление
+start = time.perf_counter()
+for name, _ in to_delete:
+    root = bst.bst_delete(root, name)
+end = time.perf_counter()
+print(f"Delete (50): {end - start:.6f} sec")