Promote validation-selected Qwen2.5-3B-Instruct PersonaMem-32K reader

README.md

@@ -41,6 +41,18 @@ Both memory generation and answer decoding are greedy; trials use different fixe
 
 Download `personamem-32k/qwen3-4b/` from the default branch for this updated reader. To reproduce the original paper release, set `revision="d39842eeca8132288c5e2814fdd66733fa92fc3d"` when downloading. The previous weights remain available at [that fixed revision](https://huggingface.co/Johnny221B/memfold/tree/d39842eeca8132288c5e2814fdd66733fa92fc3d). This post-release update does not replace historical paper results.
 
+## Updated Qwen2.5-3B-Instruct checkpoint
+
+The default `personamem-32k/qwen2.5-3b/` reader is now **current-ratio-epoch-4**, selected by five-trial validation mean. Only the final OPD + GRPO phase was retrained; its compressor is unchanged.
+
+| Split | Mean accuracy | Best trial |
+|---|---:|---:|
+| Previous reader validation | 60.0% | 70.0% |
+| Updated reader validation | 67.6% | 76.0% |
+| Updated reader test | 61.2% | 66.0% |
+
+Memory generation and answers use greedy decoding; trials change answer-option order. Validation best scores are not test scores. The test split was evaluated after checkpoint selection. [Settings and all validation results](personamem-32k/qwen2.5-3b/optimization.json). Previous weights remain at revision `10e71a32171ccde6f3a53bc8ee5b407264321c3d`. This is a post-release update, not a replacement for historical paper results.
+
 ## Components and names
 
 MemFold uses one workflow:

VALIDATION.json

@@ -190,5 +190,83 @@
       "seconds": 50.37944988813251
     },
     "protocol": "OPTIMIZATION.json"
+  },
+  "optimized_defaults": {
+    "personamem-32k/qwen2.5-3b": {
+      "source_revision": "45b50a33bbcf55013f0c720a6980ea4fcc5e5db3",
+      "validation": {
+        "trials": [
+          {
+            "trial": 0,
+            "correct": 32,
+            "total": 50,
+            "accuracy": 0.64
+          },
+          {
+            "trial": 1,
+            "correct": 34,
+            "total": 50,
+            "accuracy": 0.68
+          },
+          {
+            "trial": 2,
+            "correct": 34,
+            "total": 50,
+            "accuracy": 0.68
+          },
+          {
+            "trial": 3,
+            "correct": 38,
+            "total": 50,
+            "accuracy": 0.76
+          },
+          {
+            "trial": 4,
+            "correct": 31,
+            "total": 50,
+            "accuracy": 0.62
+          }
+        ],
+        "mean_accuracy": 0.6759999999999999,
+        "best_accuracy": 0.76
+      },
+      "test": {
+        "trials": [
+          {
+            "trial": 0,
+            "correct": 32,
+            "total": 50,
+            "accuracy": 0.64
+          },
+          {
+            "trial": 1,
+            "correct": 28,
+            "total": 50,
+            "accuracy": 0.56
+          },
+          {
+            "trial": 2,
+            "correct": 30,
+            "total": 50,
+            "accuracy": 0.6
+          },
+          {
+            "trial": 3,
+            "correct": 30,
+            "total": 50,
+            "accuracy": 0.6
+          },
+          {
+            "trial": 4,
+            "correct": 33,
+            "total": 50,
+            "accuracy": 0.66
+          }
+        ],
+        "mean_accuracy": 0.6120000000000001,
+        "best_accuracy": 0.66
+      },
+      "details": "personamem-32k/qwen2.5-3b/optimization.json"
+    }
   }
 }

manifest.json

@@ -178,16 +178,16 @@
       "path": "personamem-32k/qwen2.5-3b/reader/adapter_model.safetensors",
       "role": "reader_lora",
       "size": 119801528,
-      "sha256": "ecf6da9d83cb82890aeffd4079d86880b29c3a62d7e8cf919329d47ae7197f71",
-      "original_sha256": "ecf6da9d83cb82890aeffd4079d86880b29c3a62d7e8cf919329d47ae7197f71",
+      "sha256": "4fdf8e12b6211301883425c5d792843698d9d9b884ce391a9380d76e112d7a4d",
+      "original_sha256": "4fdf8e12b6211301883425c5d792843698d9d9b884ce391a9380d76e112d7a4d",
       "metadata_only_repack": false
     },
     {
       "path": "personamem-32k/qwen2.5-3b/reader/adapter_config.json",
       "role": "reader_config",
       "size": 975,
-      "sha256": "521c2e7073bfd1a9f621ec16624cfaf915b8d2b91b86eafdaf297d8b8e5bd36c",
-      "original_sha256": "35c900dd3a881bb6fd6e6740cebc4a8277be859b547379ae5cb240e0c36e7822",
+      "sha256": "e3631907424d1fe0f9adc9c104405b661f89d35adc662bd4fee1e59fc86a9380",
+      "original_sha256": "164804506e6dfd2b3ec68f9c33b7b1c93126554bcd78b44d24a7966db5ec761a",
       "metadata_only_repack": true
     },
     {
@@ -411,7 +411,8 @@
     "Only selected MemFold main-result reader weights and inference dependencies are included.",
     "PersonaMem bridge tensors are unchanged; training-only metadata is omitted.",
     "LoCoMo transfer used a shared Qwen3 writer and bounded-text fusion.",
-    "2026-09-29: PersonaMem-32K Qwen3-4B reader updated to validation-selected more-grpo epoch 5 (615 steps). Original paper release remains at revision d39842eeca8132288c5e2814fdd66733fa92fc3d. See OPTIMIZATION.json."
+    "2026-09-29: PersonaMem-32K Qwen3-4B reader updated to validation-selected more-grpo epoch 5 (615 steps). Original paper release remains at revision d39842eeca8132288c5e2814fdd66733fa92fc3d. See OPTIMIZATION.json.",
+    "Post-release update of personamem-32k/qwen2.5-3b: current-ratio-epoch-4, selected by greedy validation mean. Previous weights: 10e71a32171ccde6f3a53bc8ee5b407264321c3d. See personamem-32k/qwen2.5-3b/optimization.json."
   ],
   "default_qwen3_4b_personamem32k": {
     "configuration": "more-grpo",
@@ -419,5 +420,14 @@
     "steps": 615,
     "source_revision": "01e46fd762eeff06efaba52d6170d7daea2f0da2",
     "original_release_revision": "d39842eeca8132288c5e2814fdd66733fa92fc3d"
+  },
+  "optimized_defaults": {
+    "personamem-32k/qwen2.5-3b": {
+      "checkpoint": "current-ratio-epoch-4",
+      "source_revision": "45b50a33bbcf55013f0c720a6980ea4fcc5e5db3",
+      "previous_revision": "10e71a32171ccde6f3a53bc8ee5b407264321c3d",
+      "validation_mean": 0.6759999999999999,
+      "test_mean": 0.6120000000000001
+    }
   }
 }

personamem-32k/qwen2.5-3b/optimization.json

@@ -0,0 +1,877 @@
+{
+  "date": "2026-09-29",
+  "code_revision": "d049fd293e3232358594cba7cdae0f7a138bb58d",
+  "base_release": "10e71a32171ccde6f3a53bc8ee5b407264321c3d",
+  "bundle": "personamem-32k/qwen2.5-3b",
+  "phase": "on_policy_optimization",
+  "selection_criterion": "Maximum five-trial greedy validation mean; ties prefer earlier epoch then configuration order. Test only after selection.",
+  "selected_configuration": {
+    "name": "current-ratio",
+    "learning_rate": 3e-07,
+    "opd_weight": 0.002,
+    "grpo_weight": 0.3
+  },
+  "selected_epoch": 4,
+  "selected_optimizer_steps": 492,
+  "reference_kl_weight": 0,
+  "teacher_update_mode": "frozen_initial",
+  "epochs_per_configuration": 5,
+  "world_size": 4,
+  "questions_per_update": 4,
+  "rollouts_per_question": 8,
+  "rollouts_per_update": 32,
+  "seed": 42,
+  "sampling_temperature": 1.0,
+  "top_p": 0.98,
+  "max_response_tokens": 5,
+  "training_examples": 489,
+  "validation_examples": 50,
+  "test_examples": 50,
+  "evaluation": "Full-pipeline greedy memory generation and five fixed option permutations; test evaluated after validation selection.",
+  "validation_delta_vs_incumbent": 0.07599999999999996,
+  "validation_results": [
+    {
+      "name": "current-ratio-epoch-1",
+      "trials": [
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+          "correct": 25,
+          "total": 50,
+          "accuracy": 0.5
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+          "accuracy": 0.6
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+          "accuracy": 0.7
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+        {
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+      ],
+      "mean_accuracy": 0.5760000000000001,
+      "best_accuracy": 0.7,
+      "seconds": 39.50442323461175
+    },
+    {
+      "name": "current-ratio-epoch-2",
+      "trials": [
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+      "mean_accuracy": 0.6319999999999999,
+      "best_accuracy": 0.7,
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+    {
+      "name": "current-ratio-epoch-3",
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+}

personamem-32k/qwen2.5-3b/reader/adapter_config.json

@@ -25,12 +25,12 @@
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   "target_modules": [
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     "o_proj",
+    "v_proj",
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+    "up_proj",
+    "q_proj",
     "down_proj"
   ],
   "target_parameters": null,

personamem-32k/qwen2.5-3b/reader/adapter_model.safetensors

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 size 119801528