reran prefetch test

tests/results_baseline

@@ -39,10 +39,34 @@ average cache miss response time (ms): 12.493911461160938
 cache throughput (requests / s)      : 102.16957445113012
 real throughput  (requests / s)      : 48.726267135940624
 
---- weighted_friend_readonly Results ---
+--- weighted_friend_readonly 0.25 Results ---
-hits: 1275 misses: 8725 ratio: 0.1275
+hits: 634 misses: 9366 ratio: 0.0634
-average response time (ms)           : 11.204515027999879
+average response time (ms)           : 12.046342158317566
-average cache hit response time (ms) : 0.0013659982120289521
+average cache hit response time (ms) : 0.0014511944743737062
-average cache miss response time (ms): 12.841651419172313
+average cache miss response time (ms): 12.861680709574943
-cache throughput (requests / s)      : 89.249735263063
+cache throughput (requests / s)      : 83.01275082988872
-real throughput  (requests / s)      : 80.8252530462673
+real throughput  (requests / s)      : 75.60957264263929
+
+--- weighted_friend_readonly 0.50 Results ---
+hits: 1069 misses: 8931 ratio: 0.1069
+average response time (ms)           : 11.471518325805665
+average cache hit response time (ms) : 0.0013089603748803278
+average cache miss response time (ms): 12.844450115263228
+cache throughput (requests / s)      : 87.1724188201363
+real throughput  (requests / s)      : 79.16835820770777
+
+--- weighted_friend_readonly 0.75 Results ---
+hits: 2255 misses: 7745 ratio: 0.2255
+average response time (ms)           : 9.954997634887695
+average cache hit response time (ms) : 0.0012764645257175894
+average cache miss response time (ms): 12.853079137685146
+cache throughput (requests / s)      : 100.4520580191259
+real throughput  (requests / s)      : 90.12648776249651
+
+--- weighted_friend_readonly 1 Results ---
+hits: 9992 misses: 8 ratio: 0.9992
+average response time (ms)           : 0.011115074157714844
+average cache hit response time (ms) : 0.0008463239173492114
+average cache miss response time (ms): 12.83678412437439
+cache throughput (requests / s)      : 89967.91076791077
+real throughput  (requests / s)      : 1050.3783705054095

tests/results_ideal

@@ -39,10 +39,34 @@ average cache miss response time (ms): N/A
 cache throughput (requests / s)      : 441.25553420116205
 real throughput  (requests / s)      : 77.73575713810418
 
---- weighted_friend_readonly Results ---
+--- weighted_friend_readonly 0.25 Results ---
 hits: 10000 misses: 0 ratio: 1.0
-average response time (ms)           : 2.7157030582427977
+average response time (ms)           : 2.762448763847351
-average cache hit response time (ms) : 2.7157030582427977
+average cache hit response time (ms) : 2.762448763847351
 average cache miss response time (ms): N/A
-cache throughput (requests / s)      : 368.228771170237
+cache throughput (requests / s)      : 361.9976642054595
-real throughput  (requests / s)      : 267.4051580450448
+real throughput  (requests / s)      : 264.15171149841484
+
+--- weighted_friend_readonly 0.50 Results ---
+hits: 10000 misses: 0 ratio: 1.0
+average response time (ms)           : 2.631771683692932
+average cache hit response time (ms) : 2.631771683692932
+average cache miss response time (ms): N/A
+cache throughput (requests / s)      : 379.97217091293743
+real throughput  (requests / s)      : 273.36179952669863
+
+--- weighted_friend_readonly 0.75 Results ---
+hits: 10000 misses: 0 ratio: 1.0
+average response time (ms)           : 2.3204839706420897
+average cache hit response time (ms) : 2.3204839706420897
+average cache miss response time (ms): N/A
+cache throughput (requests / s)      : 430.94458425553995
+real throughput  (requests / s)      : 297.5298540772206
+
+--- weighted_friend_readonly 1 Results ---
+hits: 10000 misses: 0 ratio: 1.0
+average response time (ms)           : 0.007048773765563965
+average cache hit response time (ms) : 0.007048773765563965
+average cache miss response time (ms): N/A
+cache throughput (requests / s)      : 141868.64740721197
+real throughput  (requests / s)      : 1066.3182833103006

tests/results_nocache

@@ -39,10 +39,34 @@ average cache miss response time (ms): 12.357432702008415
 cache throughput (requests / s)      : 80.92295739045157
 real throughput  (requests / s)      : 43.34797667618127
 
---- weighted_friend_readonly Results ---
+--- weighted_friend_readonly 0.25 Results ---
 hits: 0 misses: 10000 ratio: 0.0
-average response time (ms)           : 12.757544946670532
+average response time (ms)           : 12.735849499702454
 average cache hit response time (ms) : N/A
-average cache miss response time (ms): 12.757544946670532
+average cache miss response time (ms): 12.735849499702454
-cache throughput (requests / s)      : 78.38498740786174
+cache throughput (requests / s)      : 78.51851578674534
-real throughput  (requests / s)      : 71.68974303163175
+real throughput  (requests / s)      : 71.97159807797185
+
+--- weighted_friend_readonly 0.50 Results ---
+hits: 0 misses: 10000 ratio: 0.0
+average response time (ms)           : 12.631608128547668
+average cache hit response time (ms) : N/A
+average cache miss response time (ms): 12.631608128547668
+cache throughput (requests / s)      : 79.16648377810118
+real throughput  (requests / s)      : 72.52127479757786
+
+--- weighted_friend_readonly 0.75 Results ---
+hits: 0 misses: 10000 ratio: 0.0
+average response time (ms)           : 12.301788067817688
+average cache hit response time (ms) : N/A
+average cache miss response time (ms): 12.301788067817688
+cache throughput (requests / s)      : 81.28899591564806
+real throughput  (requests / s)      : 74.36930521285352
+
+--- weighted_friend_readonly 1 Results ---
+hits: 0 misses: 10000 ratio: 0.0
+average response time (ms)           : 10.0695650100708
+average cache hit response time (ms) : N/A
+average cache miss response time (ms): 10.0695650100708
+cache throughput (requests / s)      : 99.3091557579575
+real throughput  (requests / s)      : 89.69346607705592

tests/results_prefetch

@@ -39,10 +39,34 @@ average cache miss response time (ms): 12.47343186892525
 cache throughput (requests / s)      : 101.78468675708436
 real throughput  (requests / s)      : 48.92688928507726
 
---- weighted_friend_readonly Results ---
+--- weighted_friend_readonly 0.25 Results ---
-hits: 2838 misses: 7162 ratio: 0.2838
+hits: 1609 misses: 8391 ratio: 0.1609
-average response time (ms)           : 9.23909306526184
+average response time (ms)           : 10.815512228012086
-average cache hit response time (ms) : 0.0012533357229091652
+average cache hit response time (ms) : 0.0012467706181233976
-average cache miss response time (ms): 12.899661223937
+average cache miss response time (ms): 12.889180815897543
-cache throughput (requests / s)      : 108.23573189882784
+cache throughput (requests / s)      : 92.45979098521182
-real throughput  (requests / s)      : 96.54757454253809
+real throughput  (requests / s)      : 83.71821192504922
+
+--- weighted_friend_readonly 0.50 Results ---
+hits: 2792 misses: 7208 ratio: 0.2792
+average response time (ms)           : 9.297505378723145
+average cache hit response time (ms) : 0.0012284705153850566
+average cache miss response time (ms): 12.89839399244624
+cache throughput (requests / s)      : 107.55573234606003
+real throughput  (requests / s)      : 96.20708400138871
+
+--- weighted_friend_readonly 0.75 Results ---
+hits: 4381 misses: 5619 ratio: 0.4381
+average response time (ms)           : 7.246287417411804
+average cache hit response time (ms) : 0.0011703244792465423
+average cache miss response time (ms): 12.89513204886536
+cache throughput (requests / s)      : 138.00170244381164
+real throughput  (requests / s)      : 120.23923821573455
+
+--- weighted_friend_readonly 1 Results ---
+hits: 9997 misses: 3 ratio: 0.9997
+average response time (ms)           : 0.004515457153320313
+average cache hit response time (ms) : 0.0006464036378882415
+average cache miss response time (ms): 12.897491455078125
+cache throughput (requests / s)      : 221461.51896595422
+real throughput  (requests / s)      : 1070.4467798603782

tests/results_readafterwrite

@@ -39,10 +39,34 @@ average cache miss response time (ms): 12.488399400919109
 cache throughput (requests / s)      : 277.7341979526512
 real throughput  (requests / s)      : 60.02808337161936
 
---- weighted_friend_readonly Results ---
+--- weighted_friend_readonly 0.25 Results ---
-hits: 1275 misses: 8725 ratio: 0.1275
+hits: 2163 misses: 7837 ratio: 0.2163
-average response time (ms)           : 11.231861686706543
+average response time (ms)           : 10.187475109100342
-average cache hit response time (ms) : 0.0015234479717179841
+average cache hit response time (ms) : 0.08817761792003474
-average cache miss response time (ms): 12.872971286063208
+average cache miss response time (ms): 12.974865752640344
-cache throughput (requests / s)      : 89.03243539613284
+cache throughput (requests / s)      : 98.15974903405778
-real throughput  (requests / s)      : 80.69348254832964
+real throughput  (requests / s)      : 88.35527295489469
+
+--- weighted_friend_readonly 0.50 Results ---
+hits: 2766 misses: 7234 ratio: 0.2766
+average response time (ms)           : 9.404127931594848
+average cache hit response time (ms) : 0.07571936170863484
+average cache miss response time (ms): 12.97094823907415
+cache throughput (requests / s)      : 106.33628203209798
+real throughput  (requests / s)      : 95.07378087157565
+
+--- weighted_friend_readonly 0.75 Results ---
+hits: 4087 misses: 5913 ratio: 0.4087
+average response time (ms)           : 7.68894898891449
+average cache hit response time (ms) : 0.05545212465887814
+average cache miss response time (ms): 12.965137333952995
+cache throughput (requests / s)      : 130.05678688228338
+real throughput  (requests / s)      : 114.06672701630119
+
+--- weighted_friend_readonly 1 Results ---
+hits: 9992 misses: 8 ratio: 0.9992
+average response time (ms)           : 0.011892271041870118
+average cache hit response time (ms) : 0.0006238444506215324
+average cache miss response time (ms): 14.086157083511353
+cache throughput (requests / s)      : 84088.22810035326
+real throughput  (requests / s)      : 1066.9048383247582

tests/results_tiered

@@ -39,10 +39,34 @@ average cache miss response time (ms): 12.596626629622769
 cache throughput (requests / s)      : 107.27478709180934
 real throughput  (requests / s)      : 49.79781897651969
 
---- weighted_friend_readonly Results ---
+--- weighted_friend_readonly 0.25 Results ---
-hits: 4471 misses: 5529 ratio: 0.4471
+hits: 635 misses: 9365 ratio: 0.0635
-average response time (ms)           : 7.232451653480529
+average response time (ms)           : 12.026190519332886
-average cache hit response time (ms) : 0.0870680014470151
+average cache hit response time (ms) : 0.0014263813889871433
-average cache miss response time (ms): 13.01053273654109
+average cache miss response time (ms): 12.841537580474837
-cache throughput (requests / s)      : 138.26570130182094
+cache throughput (requests / s)      : 83.15185082029382
-real throughput  (requests / s)      : 120.26334295113243
+real throughput  (requests / s)      : 75.84771942953694
+
+--- weighted_friend_readonly 0.50 Results ---
+hits: 1072 misses: 8928 ratio: 0.1072
+average response time (ms)           : 11.465663266181945
+average cache hit response time (ms) : 0.001328649805552924
+average cache miss response time (ms): 12.842205236248645
+cache throughput (requests / s)      : 87.21693431809628
+real throughput  (requests / s)      : 79.27228928100207
+
+--- weighted_friend_readonly 0.75 Results ---
+hits: 2253 misses: 7747 ratio: 0.2253
+average response time (ms)           : 9.959305834770202
+average cache hit response time (ms) : 0.0012218290786980208
+average cache miss response time (ms): 12.855338268592709
+cache throughput (requests / s)      : 100.40860443393278
+real throughput  (requests / s)      : 90.2328882960655
+
+--- weighted_friend_readonly 1 Results ---
+hits: 9992 misses: 8 ratio: 0.9992
+average response time (ms)           : 0.01112067699432373
+average cache hit response time (ms) : 0.0008874601894039646
+average cache miss response time (ms): 12.792408466339111
+cache throughput (requests / s)      : 89922.582996559
+real throughput  (requests / s)      : 1052.9166753169109

tests/weighted_friend_readonly.py

@@ -9,7 +9,7 @@ from utils import print_report
 
 baseurl = "http://localhost:8000"
 
-chance_of_selecting_friend = 0.7
+chance_of_selecting_friend = 1
 
 user_friends = json.loads(requests.get(baseurl + "/users_and_friends").content)
 user_ids = json.loads(requests.get(baseurl + "/users").content)["ids"]