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Model: lldois/v23_scratch_clean_cot_guard_lr3e6_ep5
Source: Original Platform

experiment_recipe.json

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+{
+  "created_at": "2026-07-10 01:00:49",
+  "run": {
+    "name": "v23_scratch_clean_cot_guard_lr3e6_ep5",
+    "dataset": "scratch_clean_cot_guard_ep5",
+    "model_path": "OpenOneRec/OneReason-0.8B-pretrain-competition",
+    "lr": "3.0e-6",
+    "epochs": 5,
+    "warmup": 0.02,
+    "scheduler": "cosine",
+    "seed": 202607232,
+    "note": "Scratch SFT from official OneReason. More conservative 5-epoch CoT run with lower LR, heavier item replay, and lighter rec augmentation. Tests whether 3-5 epoch training helps when update size is controlled.",
+    "config": "/home/ll/llm4rec/experiments/configs/v23_scratch_clean_cot_guard_lr3e6_ep5.yaml"
+  },
+  "dataset_manifest": {
+    "name": "scratch_clean_cot_guard_ep5",
+    "path": "/home/ll/llm4rec/experiments/data/scratch_clean_cot_guard_ep5.jsonl",
+    "records": 60765,
+    "groups": {
+      "rec": 27204,
+      "item": 27175,
+      "user": 6386
+    },
+    "variants": {
+      "raw": 32480,
+      "item_compact_cot": 5597,
+      "rec_no_think_direct_final": 3200,
+      "rec_cot_pattern_clean": 4800,
+      "item_no_think_direct_final": 5610,
+      "item_short_think": 5584,
+      "user_strict_array": 1588,
+      "user_extra_no_think_logic": 602,
+      "user_strict_logic": 1304
+    },
+    "sha256": "805b812a7cf3f9d86b8067d1d19b7fc116fb6739c75ab6aa04c16a4a13bb1419",
+    "seed": 202607112
+  },
+  "dataset_recipe": "Scratch official-OneReason SFT: original CoT all + 4800 cleaned rec CoT + 3200 rec /no_think direct-final + strict dual user aug + 3x item-style replay. Lower LR and 5 epochs test longer training without v7 final-only bias.",
+  "cot_policy": "Preserve /think reasoning supervision and do not use v7_final_only as a CoT training base. For /no_think prompts, train pure final answers without generated <think> tags. This is route-specific behavior, not global CoT removal.",
+  "raw_counts": {
+    "rec": 19204,
+    "item": 10384,
+    "user": 2892
+  },
+  "eval_observations": {
+    "v07": "best local score so far: total=0.8978, eval_time≈47.3min; fast final outputs likely help.",
+    "v15": "best CoT-preserving score so far: total=0.8778, eval_time≈70.1min; logs show repeated tokens, JSON shell errors, prompt leakage, and verbose /no_think outputs.",
+    "v19": "best CoT-native continuation so far: total=0.8855, eval_time≈48.1min; user1 and rec4 improved but world dropped.",
+    "v20": "v7 final-only continuation with CoT restore failed as a CoT route: total=0.8527, item fell to 0.1840; do not use v7 as future CoT base.",
+    "v16": "CoT pattern rewrite failed: total=0.7912; logs show malformed user JSON and fragmented recommendation reasoning.",
+    "v18": "low-LR mixed replay from v12 failed: total=0.8340; item/world dropped and rec outputs mixed text/itemic/think tags."
+  },
+  "script": "/home/ll/llm4rec/experiments/run_experiments.py",
+  "script_sha256": "a03ddf5a479db437247aed4b8000b25cb5021988029220bd818133123951aa00",
+  "deadline": "2026-07-10 09:00:00 +0800",
+  "reproduce": {
+    "prepare_command": "EXPERIMENT_PREPARE_ONLY=1 python3 experiments/run_experiments.py",
+    "train_command": "CUDA_VISIBLE_DEVICES=<gpu> bash -lc 'source /home/ll/llm4rec/demo/LLaMA-Factory/.venv/bin/activate && llamafactory-cli train /home/ll/llm4rec/experiments/configs/v23_scratch_clean_cot_guard_lr3e6_ep5.yaml'"
+  }
+}