add no cache and ideal cache,

move printing cache reports to util file

tests/random_readonly.py

@@ -5,6 +5,7 @@ import random
 import json
 from tqdm import tqdm
 import time
+from utils import print_report
 
 baseurl = "http://localhost:8000"
 
@@ -36,21 +37,4 @@ for i in tqdm(range(10000)):
     hits.append(content["source"] == "cache")
 end = time.time()
 
-hits_count = sum(hits)
-miss_count = len(hits) - hits_count
-
-hits_time = 0
-miss_time = 0
-for i in range(len(times)):
-    if hits[i]:
-        hits_time += times[i]
-    else:
-        miss_time += times[i]
-total_time = hits_time + miss_time
-
-print(f"hits: {hits_count} misses: {miss_count} ratio: { hits_count / (hits_count + miss_count)}")
-print(f"average response time (ms)           : {total_time / len(times)}")
-print(f"average cache hit response time (ms) : {hits_time / hits_count}")
-print(f"average cache miss response time (ms): {miss_time / miss_count}")
-print(f"cache throughput (requests / ms)     : { len(times) / total_time}")
-print(f"real throughput  (requests / ms)     : { len(times) / (end - start) / 1000}")
+print_report(hits, times, end - start)

tests/utils.py

@@ -0,0 +1,26 @@
+def print_report(hits, request_times, real_time):
+
+    hits_count = sum(hits)
+    miss_count = len(hits) - hits_count
+
+    hits_time = 0
+    miss_time = 0
+    for i in range(len(request_times)):
+        if hits[i]:
+            hits_time += request_times[i]
+        else:
+            miss_time += request_times[i]
+    total_time = hits_time + miss_time
+
+    print(f"hits: {hits_count} misses: {miss_count} ratio: { hits_count / (hits_count + miss_count)}")
+    print(f"average response time (ms)           : {total_time / len(request_times)}")
+    if hits_count > 0:
+        print(f"average cache hit response time (ms) : {hits_time / hits_count}")
+    else :
+        print(f"average cache hit response time (ms) : N/A")
+    if miss_count > 0:
+        print(f"average cache miss response time (ms): {miss_time / miss_count}")
+    else:
+        print(f"average cache miss response time (ms): N/A")
+    print(f"cache throughput (requests / s)     : { len(request_times) / total_time * 1000}")
+    print(f"real throughput  (requests / s)     : { len(request_times) / (real_time)}")

tests/weighted_freind_readonly.py

@@ -5,6 +5,7 @@ import random
 import json
 from tqdm import tqdm
 import time
+from utils import print_report
 
 baseurl = "http://localhost:8000"
 
@@ -43,21 +44,4 @@ for i in tqdm(range(10000)):
         curr_user = generate_random()
 end = time.time()
 
-hits_count = sum(hits)
-miss_count = len(hits) - hits_count
-
-hits_time = 0
-miss_time = 0
-for i in range(len(times)):
-    if hits[i]:
-        hits_time += times[i]
-    else:
-        miss_time += times[i]
-total_time = hits_time + miss_time
-
-print(f"hits: {hits_count} misses: {miss_count} ratio: { hits_count / (hits_count + miss_count)}")
-print(f"average response time (ms)           : {total_time / len(times)}")
-print(f"average cache hit response time (ms) : {hits_time / hits_count}")
-print(f"average cache miss response time (ms): {miss_time / miss_count}")
-print(f"cache throughput (requests / ms)     : { len(times) / total_time}")
-print(f"real throughput  (requests / ms)     : { len(times) / (end - start) / 1000}")
+print_report(hits, times, end - start)

tests/weighted_frequentuser_readwrite.py

@@ -3,6 +3,7 @@ import random
 import json
 from tqdm import tqdm
 import time
+from utils import print_report
 
 baseurl = "http://localhost:8000"
 
@@ -61,16 +62,4 @@ for i in tqdm(range(10000)):
 
 end = time.time()
 
-hits_count = sum(hits)
-miss_count = len(hits) - hits_count
-
-hits_time = sum(times[i] for i in range(len(times)) if hits[i])
-miss_time = sum(times[i] for i in range(len(times)) if not hits[i])
-total_time = hits_time + miss_time
-
-print(f"hits: {hits_count} misses: {miss_count} ratio: {hits_count / (hits_count + miss_count):.2f}")
-print(f"average response time (ms)           : {total_time / len(times):.2f}")
-print(f"average cache hit response time (ms) : {hits_time / hits_count if hits_count else 0:.2f}")
-print(f"average cache miss response time (ms): {miss_time / miss_count if miss_count else 0:.2f}")
-print(f"cache throughput (requests / ms)     : {len(times) / total_time:.2f}")
-print(f"real throughput  (requests / ms)     : {len(times) / (end - start) / 1000:.2f}")
+print_report(hits, times, end - start)