From 593628cec3cd75eee1033e7a8d6bc4572de5a543 Mon Sep 17 00:00:00 2001
From: YurenHao0426 <Blackhao0426@gmail.com>
Date: Fri, 3 Apr 2026 10:37:49 -0500
Subject: Add EP to BP gradient sparsity analysis

EP CIFAR d=256: s(1e-6)=100%, mean_norm=1.41e-04
EP produces networks where ALL samples have non-zero BP gradients,
unlike DFA (0.4%), SB (21%), CB (3%). EP is closer to BP (98.7%).

Updated clean_sparsity_summary.csv (980 rows, now includes EP).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 .../confirmatory/clean_sparsity/cifar_ep_s456.json | 91 ++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 results/confirmatory/clean_sparsity/cifar_ep_s456.json

(limited to 'results/confirmatory/clean_sparsity/cifar_ep_s456.json')

diff --git a/results/confirmatory/clean_sparsity/cifar_ep_s456.json b/results/confirmatory/clean_sparsity/cifar_ep_s456.json
new file mode 100644
index 0000000..5cf3786
--- /dev/null
+++ b/results/confirmatory/clean_sparsity/cifar_ep_s456.json
@@ -0,0 +1,91 @@
+{
+  "method": "ep",
+  "seed": 456,
+  "d": 256,
+  "per_layer": [
+    {
+      "layer": 0,
+      "mean_norm": 0.00019033838179893792,
+      "median_norm": 0.00014054861094336957,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 1.0,
+        "1e-06": 1.0,
+        "1e-05": 1.0,
+        "0.0001": 0.63671875
+      },
+      "r_inf_mean": 0.2553776204586029,
+      "pr_mean": 0.21334712207317352,
+      "hoyer_mean": 0.556216835975647,
+      "topk_energy": {
+        "1": 0.11360983550548553,
+        "5": 0.37292540073394775,
+        "10": 0.5462768077850342,
+        "25": 0.7933647036552429
+      }
+    },
+    {
+      "layer": 1,
+      "mean_norm": 0.00019006169168278575,
+      "median_norm": 0.0001404981449013576,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 1.0,
+        "1e-06": 1.0,
+        "1e-05": 1.0,
+        "0.0001": 0.62890625
+      },
+      "r_inf_mean": 0.25574955344200134,
+      "pr_mean": 0.21288853883743286,
+      "hoyer_mean": 0.555762767791748,
+      "topk_energy": {
+        "1": 0.11392159759998322,
+        "5": 0.37334558367729187,
+        "10": 0.5465435981750488,
+        "25": 0.7938079237937927
+      }
+    },
+    {
+      "layer": 2,
+      "mean_norm": 0.00018623282085172832,
+      "median_norm": 0.00013751245569437742,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 1.0,
+        "1e-06": 1.0,
+        "1e-05": 1.0,
+        "0.0001": 0.61328125
+      },
+      "r_inf_mean": 0.25907957553863525,
+      "pr_mean": 0.2075212299823761,
+      "hoyer_mean": 0.5527985692024231,
+      "topk_energy": {
+        "1": 0.11691258102655411,
+        "5": 0.38014912605285645,
+        "10": 0.5521326065063477,
+        "25": 0.7964314222335815
+      }
+    },
+    {
+      "layer": 3,
+      "mean_norm": 0.0001882519864011556,
+      "median_norm": 0.00014072256453800946,
+      "support": {
+        "1e-08": 1.0,
+        "1e-07": 1.0,
+        "1e-06": 1.0,
+        "1e-05": 1.0,
+        "0.0001": 0.60546875
+      },
+      "r_inf_mean": 0.25827866792678833,
+      "pr_mean": 0.2065490037202835,
+      "hoyer_mean": 0.5497186183929443,
+      "topk_energy": {
+        "1": 0.11739641427993774,
+        "5": 0.3822922110557556,
+        "10": 0.5554432272911072,
+        "25": 0.8010607957839966
+      }
+    }
+  ]
+}
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