fix(simulation): Evaluation of age was based on hits instead of access_count

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>
2024-11-28 15:57:19 +01:00
parent a484d49128
commit f9d48e6fe4
42 changed files with 1320 additions and 36118 deletions
--- a/aoi_cache_experiment_eval.ipynb
+++ b/aoi_cache_experiment_eval.ipynb
--- a/aoi_cache_simulation.ipynb
+++ b/aoi_cache_simulation.ipynb
@@ -173,6 +173,7 @@
    "        else:\n",
    "            # Cache miss: increment miss count\n",
    "            self.misses[obj_id] += 1\n",
    "            self.cumulative_age[obj_id] += 0\n",
    "            self.access_count[obj_id] += 1\n",
    "            \n",
    "            # Fetch the object from the database if it’s not in cache\n",
@@ -497,7 +498,7 @@
   "outputs": [],
   "source": [
    "avg_age = {\n",
-    "    obj_id: cache.cumulative_age[obj_id] / max(1, cache.hits[obj_id]) \n",
+    "    obj_id: cache.cumulative_age[obj_id] / max(1, cache.access_count[obj_id]) \n",
    "    for obj_id in range(1, DATABASE_OBJECTS + 1)\n",
    "}"
   ]
--- a/experiments/No_Refresh_0_5s_ttl/details.csv
+++ b/experiments/No_Refresh_0_5s_ttl/details.csv
@@ -1,101 +1,101 @@
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--- a/experiments/No_Refresh_0_5s_ttl/hit_age.csv
+++ b/experiments/No_Refresh_0_5s_ttl/hit_age.csv
@@ -1,101 +1,101 @@
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--- a/experiments/No_Refresh_0_5s_ttl/lambda_distribution.pdf
+++ b/experiments/No_Refresh_0_5s_ttl/lambda_distribution.pdf
--- a/experiments/No_Refresh_0_5s_ttl/lambda_vs_access_count.pdf
+++ b/experiments/No_Refresh_0_5s_ttl/lambda_vs_access_count.pdf
--- a/experiments/No_Refresh_0_5s_ttl/objects_in_cache_over_time.pdf
+++ b/experiments/No_Refresh_0_5s_ttl/objects_in_cache_over_time.pdf
--- a/experiments/No_Refresh_0_5s_ttl/overall_hit_age.csv
+++ b/experiments/No_Refresh_0_5s_ttl/overall_hit_age.csv
@@ -1,9 +1,9 @@
 ,hit_rate,avg_age
 count,100.0,100.0
-mean,0.43000571581399505,0.24700018485928918
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+max,0.9713572617066794,0.4423076923076923
--- a/experiments/No_Refresh_1_0s_ttl/details.csv
+++ b/experiments/No_Refresh_1_0s_ttl/details.csv
@@ -1,101 +1,101 @@
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--- a/experiments/No_Refresh_1_0s_ttl/hit_age.csv
+++ b/experiments/No_Refresh_1_0s_ttl/hit_age.csv
@@ -1,101 +1,101 @@
 obj_id,hit_rate,avg_age
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--- a/experiments/No_Refresh_1_0s_ttl/lambda_distribution.pdf
+++ b/experiments/No_Refresh_1_0s_ttl/lambda_distribution.pdf
--- a/experiments/No_Refresh_1_0s_ttl/lambda_vs_access_count.pdf
+++ b/experiments/No_Refresh_1_0s_ttl/lambda_vs_access_count.pdf
--- a/experiments/No_Refresh_1_0s_ttl/objects_in_cache_over_time.pdf
+++ b/experiments/No_Refresh_1_0s_ttl/objects_in_cache_over_time.pdf
--- a/experiments/No_Refresh_1_0s_ttl/overall_hit_age.csv
+++ b/experiments/No_Refresh_1_0s_ttl/overall_hit_age.csv
@@ -1,9 +1,9 @@
 ,hit_rate,avg_age
 count,100.0,100.0
-mean,0.6021783585155782,0.5064424317967045
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+max,0.9664941432852084,0.7083333333333334
--- a/experiments/No_Refresh_2_0s_ttl/details.csv
+++ b/experiments/No_Refresh_2_0s_ttl/details.csv
@@ -1,101 +1,101 @@
 obj_id,access_count,hits,misses,mu,lambda,hit_rate,avg_age
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--- a/experiments/No_Refresh_2_0s_ttl/hit_age.csv
+++ b/experiments/No_Refresh_2_0s_ttl/hit_age.csv
@@ -1,101 +1,101 @@
 obj_id,hit_rate,avg_age
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--- a/experiments/No_Refresh_2_0s_ttl/lambda_distribution.pdf
+++ b/experiments/No_Refresh_2_0s_ttl/lambda_distribution.pdf
--- a/experiments/No_Refresh_2_0s_ttl/lambda_vs_access_count.pdf
+++ b/experiments/No_Refresh_2_0s_ttl/lambda_vs_access_count.pdf
--- a/experiments/No_Refresh_2_0s_ttl/objects_in_cache_over_time.pdf
+++ b/experiments/No_Refresh_2_0s_ttl/objects_in_cache_over_time.pdf
--- a/experiments/No_Refresh_2_0s_ttl/overall_hit_age.csv
+++ b/experiments/No_Refresh_2_0s_ttl/overall_hit_age.csv
@@ -1,9 +1,9 @@
 ,hit_rate,avg_age
 count,100.0,100.0
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--- a/experiments/No_Refresh_3_0s_ttl/details.csv
+++ b/experiments/No_Refresh_3_0s_ttl/details.csv
@@ -1,101 +1,101 @@
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--- a/experiments/No_Refresh_3_0s_ttl/hit_age.csv
+++ b/experiments/No_Refresh_3_0s_ttl/hit_age.csv
@@ -1,101 +1,101 @@
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--- a/experiments/No_Refresh_3_0s_ttl/lambda_distribution.pdf
+++ b/experiments/No_Refresh_3_0s_ttl/lambda_distribution.pdf
--- a/experiments/No_Refresh_3_0s_ttl/lambda_vs_access_count.pdf
+++ b/experiments/No_Refresh_3_0s_ttl/lambda_vs_access_count.pdf
--- a/experiments/No_Refresh_3_0s_ttl/objects_in_cache_over_time.pdf
+++ b/experiments/No_Refresh_3_0s_ttl/objects_in_cache_over_time.pdf
--- a/experiments/No_Refresh_3_0s_ttl/overall_hit_age.csv
+++ b/experiments/No_Refresh_3_0s_ttl/overall_hit_age.csv
@@ -1,9 +1,9 @@
 ,hit_rate,avg_age
 count,100.0,100.0
-mean,0.804885219000722,1.4954901146744555
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-max,0.9994006763795146,1.7788461538461537
+max,0.9923719578641482,1.7666666666666666
--- a/experiments/No_Refresh_4_0s_ttl/details.csv
+++ b/experiments/No_Refresh_4_0s_ttl/details.csv
@@ -1,101 +1,101 @@
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--- a/experiments/No_Refresh_4_0s_ttl/hit_age.csv
+++ b/experiments/No_Refresh_4_0s_ttl/hit_age.csv
@@ -1,101 +1,101 @@
 obj_id,hit_rate,avg_age
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--- a/experiments/No_Refresh_4_0s_ttl/lambda_distribution.pdf
+++ b/experiments/No_Refresh_4_0s_ttl/lambda_distribution.pdf
--- a/experiments/No_Refresh_4_0s_ttl/lambda_vs_access_count.pdf
+++ b/experiments/No_Refresh_4_0s_ttl/lambda_vs_access_count.pdf
--- a/experiments/No_Refresh_4_0s_ttl/objects_in_cache_over_time.pdf
+++ b/experiments/No_Refresh_4_0s_ttl/objects_in_cache_over_time.pdf
--- a/experiments/No_Refresh_4_0s_ttl/overall_hit_age.csv
+++ b/experiments/No_Refresh_4_0s_ttl/overall_hit_age.csv
@@ -1,9 +1,9 @@
 ,hit_rate,avg_age
 count,100.0,100.0
-mean,0.8423156495596558,1.9739537134378724
+mean,0.8461611168860607,1.966244726179581
-std,0.06549649389081656,0.11806123481662535
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-max,0.9914975315414153,2.238095238095238
+max,0.9984873695356224,2.2560975609756095
--- a/experiments/No_Refresh_5_0s_ttl/details.csv
+++ b/experiments/No_Refresh_5_0s_ttl/details.csv
@@ -1,101 +1,101 @@
 obj_id,access_count,hits,misses,mu,lambda,hit_rate,avg_age
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--- a/experiments/No_Refresh_5_0s_ttl/hit_age.csv
+++ b/experiments/No_Refresh_5_0s_ttl/hit_age.csv
@@ -1,101 +1,101 @@
 obj_id,hit_rate,avg_age
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--- a/experiments/No_Refresh_5_0s_ttl/lambda_distribution.pdf
+++ b/experiments/No_Refresh_5_0s_ttl/lambda_distribution.pdf
--- a/experiments/No_Refresh_5_0s_ttl/lambda_vs_access_count.pdf
+++ b/experiments/No_Refresh_5_0s_ttl/lambda_vs_access_count.pdf
--- a/experiments/No_Refresh_5_0s_ttl/objects_in_cache_over_time.pdf
+++ b/experiments/No_Refresh_5_0s_ttl/objects_in_cache_over_time.pdf
--- a/experiments/No_Refresh_5_0s_ttl/overall_hit_age.csv
+++ b/experiments/No_Refresh_5_0s_ttl/overall_hit_age.csv
@@ -1,9 +1,9 @@
 ,hit_rate,avg_age
 count,100.0,100.0
-mean,0.8761406920218441,2.483419694203133
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-50%,0.8438640132669983,2.4597302063128197
+50%,0.841726618705036,2.4849237260629664
-75%,0.9155921464875026,2.578509102183638
+75%,0.9100820467221729,2.5632199275958536
-max,0.9907407407407407,2.956043956043956
+max,0.9991551939924906,2.7454545454545456
--- a/experiments/avg_ages.md
+++ b/experiments/avg_ages.md
@@ -1,8 +1,8 @@
 |      |   avg_ages |
 |:-----|-----------:|
-| 0.5s |   0.247    |
+| 0.5s |   0.240582 |
-| 1.0s |   0.506442 |
+| 1.0s |   0.497634 |
-| 2.0s |   0.997884 |
+| 2.0s |   1.00349  |
-| 3.0s |   1.49549  |
+| 3.0s |   1.47952  |
-| 4.0s |   1.97395  |
+| 4.0s |   1.96624  |
-| 5.0s |   2.48342  |
+| 5.0s |   2.4698   |
--- a/experiments/hit_rates.md
+++ b/experiments/hit_rates.md
@@ -1,8 +1,8 @@
 |      |   hit_rates |
 |:-----|------------:|
-| 0.5s |    0.430006 |
+| 0.5s |    0.45867  |
-| 1.0s |    0.602178 |
+| 1.0s |    0.619674 |
-| 2.0s |    0.725968 |
+| 2.0s |    0.769815 |
-| 3.0s |    0.804885 |
+| 3.0s |    0.790693 |
-| 4.0s |    0.842316 |
+| 4.0s |    0.846161 |
-| 5.0s |    0.876141 |
+| 5.0s |    0.868916 |
--- a/experiments/hr_and_age_vs_ttl.png
+++ b/experiments/hr_and_age_vs_ttl.png
--- a/multi_aoi_cache_simulation.ipynb
+++ b/multi_aoi_cache_simulation.ipynb