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-rw-r--r--experiments/analyze_contrastive_bias_b1.py125
-rwxr-xr-xexperiments/bootstrap_plain_cnn.sh4
-rw-r--r--experiments/contrastive_bias_b1.py293
-rw-r--r--experiments/contrastive_bias_smoke.py45
4 files changed, 465 insertions, 2 deletions
diff --git a/experiments/analyze_contrastive_bias_b1.py b/experiments/analyze_contrastive_bias_b1.py
new file mode 100644
index 0000000..527b2ba
--- /dev/null
+++ b/experiments/analyze_contrastive_bias_b1.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python3
+"""Audit the frozen contrastive state-bias B1 gate."""
+import argparse
+import json
+import math
+from pathlib import Path
+
+from contrastive_bias_b1 import RESULT_ROOT, bias_cells
+
+
+def read_json(path):
+ with open(path, encoding="utf-8") as handle:
+ return json.load(handle)
+
+
+def cell_path(cell_id):
+ return RESULT_ROOT / ("dp-bias-b1-" + cell_id + ".json")
+
+
+def valid_record(record, cell):
+ history = record.get("history") or {}
+ return (
+ record.get("status") == "completed"
+ and record.get("cell_id") == cell["cell_id"]
+ and record.get("kind") == cell["kind"]
+ and record.get("rule") == cell["rule"]
+ and record.get("ratio") == cell["ratio"]
+ and history.get("finite") is True
+ and history.get("epochs_completed") == 20
+ and math.isnan(float(history.get("test_accuracy", float("nan"))))
+ )
+
+
+def metric_max(record, key):
+ values = record["history"]["curves"][key]
+ return max(abs(float(value)) for value in values)
+
+
+def main():
+ parser = argparse.ArgumentParser()
+ parser.add_argument(
+ "--out", type=Path,
+ default=RESULT_ROOT.parent / "b1_gate.json")
+ args = parser.parse_args()
+ cells = bias_cells()
+ missing = [cell["cell_id"] for cell in cells if not cell_path(cell["cell_id"]).is_file()]
+ if missing:
+ raise RuntimeError("missing B1 cells: " + ", ".join(missing))
+ records = {}
+ for cell in cells:
+ record = read_json(cell_path(cell["cell_id"]))
+ if not valid_record(record, cell):
+ raise RuntimeError(f"invalid or incomplete B1 cell: {cell['cell_id']}")
+ records[cell["cell_id"]] = record
+ clean = records["clean"]
+ clean_acc = float(clean["history"]["final_validation_accuracy"])
+ common = records["common-activity-r4-raw"]
+ common_acc = float(common["history"]["final_validation_accuracy"])
+ common_error = metric_max(
+ common, "maximum_used_clean_difference_relative_error")
+ predictor_instruction_max = max(
+ metric_max(record, "instruction_observations_for_predictor")
+ for record in records.values()
+ )
+ innovation_post_max = max(
+ metric_max(record, "post_bias_raw_bias_rms_ratio")
+ for cell_id, record in records.items() if "-innovation" in cell_id
+ )
+ candidates = []
+ table = []
+ for ratio in (0.25, 1.0, 4.0):
+ tag = rate_tag = f"{ratio:g}".replace(".", "p")
+ row = {"ratio": ratio}
+ for rule in ("raw", "innovation", "oracle"):
+ record = records[f"activity-r{tag}-{rule}"]
+ row[rule] = float(record["history"]["final_validation_accuracy"])
+ row["raw_degradation"] = clean_acc - row["raw"]
+ row["innovation_clean_gap"] = abs(row["innovation"] - clean_acc)
+ row["innovation_oracle_gap"] = abs(row["innovation"] - row["oracle"])
+ row["innovation_post_bias_ratio_max"] = metric_max(
+ records[f"activity-r{tag}-innovation"],
+ "post_bias_raw_bias_rms_ratio")
+ row["passes"] = (
+ row["raw_degradation"] >= 5.0
+ and row["innovation_clean_gap"] <= 2.0
+ and row["innovation_oracle_gap"] <= 1.0
+ and row["innovation_post_bias_ratio_max"] <= 1e-3
+ )
+ if row["passes"]:
+ candidates.append(ratio)
+ table.append(row)
+ checks = {
+ "clean_at_least_70": clean_acc >= 70.0,
+ "common_within_0p2": abs(common_acc - clean_acc) <= 0.2,
+ "common_difference_error_at_most_1e_6": common_error <= 1e-6,
+ "some_activity_ratio_passes": bool(candidates),
+ "all_innovation_post_bias_at_most_1e_3": innovation_post_max <= 1e-3,
+ "predictor_saw_zero_instruction_observations": predictor_instruction_max == 0.0,
+ }
+ source_values = {json.dumps(row["source"], sort_keys=True) for row in records.values()}
+ registry_values = {row["registry_sha256"] for row in records.values()}
+ checks["single_source_lock"] = len(source_values) == 1
+ checks["single_registry_lock"] = len(registry_values) == 1
+ report = {
+ "stage": "contrastive_bias_b1", "gate": (
+ "pass" if all(checks.values()) else "fail"),
+ "checks": checks, "clean_final_validation_accuracy": clean_acc,
+ "common_final_validation_accuracy": common_acc,
+ "common_maximum_difference_relative_error": common_error,
+ "innovation_maximum_post_bias_ratio": innovation_post_max,
+ "predictor_maximum_instruction_observations": predictor_instruction_max,
+ "activity_table": table,
+ "selected_confirmation_ratio": max(candidates) if candidates else None,
+ "num_expected_records": 17, "num_audited_records": len(records),
+ "source": clean["source"], "registry_sha256": clean["registry_sha256"],
+ }
+ args.out.parent.mkdir(parents=True, exist_ok=True)
+ with open(args.out, "w", encoding="utf-8") as handle:
+ json.dump(report, handle, indent=2, sort_keys=True)
+ handle.write("\n")
+ print(json.dumps(report, indent=2, sort_keys=True))
+
+
+if __name__ == "__main__":
+ main()
diff --git a/experiments/bootstrap_plain_cnn.sh b/experiments/bootstrap_plain_cnn.sh
index 0d6145f..7a1142b 100755
--- a/experiments/bootstrap_plain_cnn.sh
+++ b/experiments/bootstrap_plain_cnn.sh
@@ -20,8 +20,8 @@ main_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
patch_root="$main_root/external/dualprop_patches"
base_revision="7b2595b34421e1483a721dbfdeff8cdabda3a1ff"
-if [[ "$(find "$patch_root" -maxdepth 1 -name '*.patch' | wc -l)" -ne 19 ]]; then
- echo "expected 19 frozen Dual Propagation patches" >&2
+if [[ "$(find "$patch_root" -maxdepth 1 -name '*.patch' | wc -l)" -ne 20 ]]; then
+ echo "expected 20 frozen Dual Propagation patches" >&2
exit 1
fi
diff --git a/experiments/contrastive_bias_b1.py b/experiments/contrastive_bias_b1.py
new file mode 100644
index 0000000..dce9426
--- /dev/null
+++ b/experiments/contrastive_bias_b1.py
@@ -0,0 +1,293 @@
+#!/usr/bin/env python3
+"""Frozen 17-cell B1 contrastive state-bias screen on author Dual Prop."""
+import argparse
+import hashlib
+import json
+import math
+import os
+from pathlib import Path
+import subprocess
+import time
+
+import numpy as np
+
+
+ROOT = Path(__file__).resolve().parents[1]
+PROTOCOL = ROOT / "CONTRASTIVE_BIAS.md"
+RESULT_ROOT = ROOT / "results" / "contrastive_bias" / "b1"
+BIAS_PATCH = (
+ ROOT / "external" / "dualprop_patches" /
+ "0020-experiment-add-neuron-specific-bias-to-Dual-Prop.patch"
+)
+UPSTREAM = "7b2595b34421e1483a721dbfdeff8cdabda3a1ff"
+RULES = ("raw", "innovation", "oracle")
+
+
+def sha256(path):
+ digest = hashlib.sha256()
+ with open(path, "rb") as handle:
+ for chunk in iter(lambda: handle.read(1024 * 1024), b""):
+ digest.update(chunk)
+ return digest.hexdigest()
+
+
+def git_output(repo, *args):
+ return subprocess.run(
+ ["git", *args], cwd=repo, check=True, capture_output=True, text=True
+ ).stdout.strip()
+
+
+def rate_tag(value):
+ return f"{value:g}".replace(".", "p")
+
+
+def bias_cells():
+ cells = [{
+ "cell_id": "clean", "kind": "none", "rule": "none", "ratio": 0.0,
+ }, {
+ "cell_id": "common-activity-r4-raw", "kind": "common", "rule": "raw",
+ "ratio": 4.0,
+ }]
+ for kind, ratios in (("fixed", (1.0, 4.0)),
+ ("activity", (0.25, 1.0, 4.0))):
+ for ratio in ratios:
+ for rule in RULES:
+ cells.append({
+ "cell_id": f"{kind}-r{rate_tag(ratio)}-{rule}",
+ "kind": kind, "rule": rule, "ratio": ratio,
+ })
+ if len(cells) != 17 or len({row["cell_id"] for row in cells}) != 17:
+ raise AssertionError("B1 registry must contain 17 unique cells")
+ return cells
+
+
+def author_command(cell, author_python):
+ name = "dp-bias-b1-" + cell["cell_id"]
+ command = [
+ author_python, "train.py",
+ "--model", "miniCNN", "--dataset", "cifar10",
+ "--num-epochs", "20", "--batch-size", "100",
+ "--learning-rate", "0.025", "--learning-rate-final", "0.025",
+ "--warmup-learning-rate", "0.025", "--warmup-epochs", "0",
+ "--decay-epochs", "20", "--momentum", "0.9",
+ "--weight-decay", "5e-4", "--dtype", "float32",
+ "--param-dtype", "float32", "--percent-train", "90",
+ "--percent-val", "10", "--seeds", "1988",
+ "--feedback-seed", "1729", "--gradient-diagnostics", "none",
+ "--spectral-diagnostics", "none", "--test-policy", "none",
+ "--early-stop-policy", "none", "--learning-algorithm",
+ "dualprop-lagr-ff", "--experiment-name", name,
+ "--optimizer-schedule", "author", "--loss", "sce",
+ "--alpha", "0.0", "--beta", "0.1",
+ "--inference-sequence", "fwK", "--inference-passes-nudged", "16",
+ ]
+ if cell["rule"] != "none":
+ command.extend([
+ "--dp-bias-kind", cell["kind"], "--dp-bias-rule", cell["rule"],
+ "--dp-bias-ratio", str(cell["ratio"]), "--dp-bias-seed", "6100",
+ "--dp-bias-calibration-examples", "64",
+ ])
+ return name, command
+
+
+def jobs(author_python):
+ rows = []
+ for cell in bias_cells():
+ name, command = author_command(cell, author_python)
+ rows.append({
+ **cell, "experiment_name": name, "command": command,
+ "output": str(RESULT_ROOT / (name + ".json")),
+ "timeout_seconds": 2 * 60 * 60,
+ })
+ return rows
+
+
+def registry_sha256(rows):
+ payload = [
+ {key: value for key, value in row.items() if key != "output"}
+ for row in rows
+ ]
+ return hashlib.sha256(json.dumps(
+ payload, sort_keys=True, separators=(",", ":")
+ ).encode()).hexdigest()
+
+
+def source_report(author_root):
+ if git_output(ROOT, "status", "--porcelain", "--untracked-files=no"):
+ raise RuntimeError("B1 requires clean tracked SDIL source")
+ if git_output(author_root, "status", "--porcelain", "--untracked-files=no"):
+ raise RuntimeError("B1 requires clean tracked author source")
+ tracked = [
+ PROTOCOL, Path(__file__).resolve(),
+ ROOT / "experiments" / "analyze_contrastive_bias_b1.py",
+ BIAS_PATCH,
+ ]
+ for path in tracked:
+ relative = path.relative_to(ROOT)
+ subprocess.run(
+ ["git", "ls-files", "--error-unmatch", str(relative)], cwd=ROOT,
+ check=True, capture_output=True,
+ )
+ return {
+ "sdil_commit": git_output(ROOT, "rev-parse", "HEAD"),
+ "author_commit": git_output(author_root, "rev-parse", "HEAD"),
+ "author_upstream": UPSTREAM,
+ "tracked_files": {
+ str(path.relative_to(ROOT)): sha256(path) for path in tracked
+ },
+ }
+
+
+def gpu_report(physical_index):
+ output = subprocess.run([
+ "nvidia-smi", f"--id={physical_index}",
+ "--query-gpu=index,uuid,name,memory.total", "--format=csv,noheader,nounits",
+ ], check=True, capture_output=True, text=True).stdout.strip()
+ rows = [part.strip() for part in output.split(",")]
+ if len(rows) != 4 or rows[0] != str(physical_index):
+ raise RuntimeError(f"could not resolve physical GPU {physical_index}: {output}")
+ visible = os.environ.get("CUDA_VISIBLE_DEVICES")
+ if visible != str(physical_index):
+ raise RuntimeError(
+ f"CUDA_VISIBLE_DEVICES must equal physical GPU {physical_index}, got {visible}")
+ return {
+ "physical_index": int(rows[0]), "uuid": rows[1], "name": rows[2],
+ "memory_total_mib": int(rows[3]), "cuda_visible_devices": visible,
+ }
+
+
+def ensure_launch(source, rows):
+ path = RESULT_ROOT / "launch.json"
+ expected = {
+ "stage": "contrastive_bias_b1", "source": source,
+ "registry_sha256": registry_sha256(rows), "num_jobs": len(rows),
+ "allowed_physical_gpus": [5, 7],
+ }
+ if path.is_file():
+ with open(path, encoding="utf-8") as handle:
+ if json.load(handle) != expected:
+ raise RuntimeError("B1 launch lock drift")
+ else:
+ path.parent.mkdir(parents=True, exist_ok=True)
+ with open(path, "w", encoding="utf-8") as handle:
+ json.dump(expected, handle, indent=2, sort_keys=True)
+ handle.write("\n")
+ return path
+
+
+def to_float_list(value, count):
+ array = np.asarray(value)[:count]
+ return [float(item) for item in array]
+
+
+def summarize_hist(path):
+ hist = np.load(path, allow_pickle=True).item()
+ completed = int(hist["epochs_completed"])
+ keys = (
+ "val_loss", "val_accuracy", "train_loss", "train_accuracy",
+ "train_time", "val_time", "raw_bias_clean_difference_rms_ratio",
+ "post_bias_raw_bias_rms_ratio", "used_clean_difference_rms_ratio",
+ "maximum_used_clean_difference_relative_error", "neutral_observations",
+ "instruction_observations_for_predictor",
+ )
+ curves = {key: to_float_list(hist[key], completed) for key in keys}
+ finite = completed == 20 and all(
+ math.isfinite(value)
+ for key in ("val_loss", "val_accuracy", "train_loss")
+ for value in curves[key]
+ )
+ return {
+ "epochs_completed": completed, "finite": finite,
+ "final_validation_accuracy": curves["val_accuracy"][-1],
+ "best_validation_accuracy": float(hist["best_validation_accuracy"]),
+ "best_epoch": int(hist["best_epoch"]),
+ "test_accuracy": float(hist["test_accuracy"]),
+ "dp_bias_initialization": hist.get("dp_bias_initialization"),
+ "curves": curves,
+ }
+
+
+def find_hist(author_root, experiment_name):
+ paths = list((author_root / "runs" / experiment_name).glob("*/hist.npy"))
+ if len(paths) != 1:
+ raise RuntimeError(
+ f"expected one history for {experiment_name}, found {len(paths)}")
+ return paths[0]
+
+
+def run_job(job, author_root, source, registry_hash, gpu, dry_run):
+ output = Path(job["output"])
+ if output.exists():
+ print(f"preserving {job['cell_id']}", flush=True)
+ return
+ print("RUN", " ".join(job["command"]), flush=True)
+ if dry_run:
+ return
+ if git_output(ROOT, "rev-parse", "HEAD") != source["sdil_commit"]:
+ raise RuntimeError("SDIL commit changed after B1 launch")
+ if git_output(author_root, "rev-parse", "HEAD") != source["author_commit"]:
+ raise RuntimeError("author commit changed after B1 launch")
+ started = time.time()
+ try:
+ result = subprocess.run(
+ job["command"], cwd=author_root, timeout=job["timeout_seconds"])
+ return_code = result.returncode
+ status = "completed" if return_code == 0 else "nonzero_exit"
+ except subprocess.TimeoutExpired:
+ return_code, status = None, "timeout"
+ history = None
+ history_path = None
+ if status == "completed":
+ try:
+ resolved = find_hist(author_root, job["experiment_name"])
+ history_path = str(resolved)
+ history = summarize_hist(resolved)
+ except Exception as error:
+ status = "missing_or_invalid_history"
+ history = {"error": repr(error)}
+ record = {
+ **job, "stage": "contrastive_bias_b1", "source": source,
+ "registry_sha256": registry_hash, "hardware": gpu, "status": status,
+ "return_code": return_code, "driver_wall_seconds": time.time() - started,
+ "completed_unix_time": time.time(), "author_history": history_path,
+ "history": history,
+ }
+ output.parent.mkdir(parents=True, exist_ok=True)
+ with open(output, "w", encoding="utf-8") as handle:
+ json.dump(record, handle, indent=2, sort_keys=True)
+ handle.write("\n")
+ print(f"DONE status={status} {job['cell_id']}", flush=True)
+
+
+def main():
+ parser = argparse.ArgumentParser()
+ parser.add_argument("--author-root", type=Path, required=True)
+ parser.add_argument("--author-python", required=True)
+ parser.add_argument("--physical-gpu", type=int, choices=(5, 7), required=True)
+ parser.add_argument("--shard-index", type=int, default=0)
+ parser.add_argument("--num-shards", type=int, default=1)
+ parser.add_argument("--dry-run", action="store_true")
+ args = parser.parse_args()
+ args.author_root = args.author_root.resolve()
+ if not 0 <= args.shard_index < args.num_shards:
+ raise ValueError("invalid B1 shard")
+ rows = jobs(args.author_python)
+ selected = [
+ row for index, row in enumerate(rows)
+ if index % args.num_shards == args.shard_index
+ ]
+ if args.dry_run:
+ for row in selected:
+ print(row["cell_id"], " ".join(row["command"]))
+ return
+ source = source_report(args.author_root)
+ gpu = gpu_report(args.physical_gpu)
+ launch = ensure_launch(source, rows)
+ print(f"B1 launch lock: {launch}", flush=True)
+ registry_hash = registry_sha256(rows)
+ for row in selected:
+ run_job(row, args.author_root, source, registry_hash, gpu, False)
+
+
+if __name__ == "__main__":
+ main()
diff --git a/experiments/contrastive_bias_smoke.py b/experiments/contrastive_bias_smoke.py
new file mode 100644
index 0000000..026eb01
--- /dev/null
+++ b/experiments/contrastive_bias_smoke.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+"""Static smoke checks for the frozen B1 registry and author patch."""
+import json
+from pathlib import Path
+import sys
+
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "experiments"))
+from contrastive_bias_b1 import BIAS_PATCH, bias_cells, jobs, registry_sha256
+
+
+def main():
+ rows = jobs("/frozen/author/python")
+ cells = bias_cells()
+ assert len(rows) == len(cells) == 17
+ assert sum(row["kind"] == "common" for row in rows) == 1
+ assert sum(row["kind"] == "fixed" for row in rows) == 6
+ assert sum(row["kind"] == "activity" for row in rows) == 9
+ assert sum(row["rule"] == "innovation" for row in rows) == 5
+ for row in rows:
+ command = row["command"]
+ assert command[0] == "/frozen/author/python"
+ assert command[command.index("--seeds") + 1] == "1988"
+ assert command[command.index("--test-policy") + 1] == "none"
+ assert command[command.index("--num-epochs") + 1] == "20"
+ assert command[command.index("--model") + 1] == "miniCNN"
+ if row["rule"] == "none":
+ assert "--dp-bias-rule" not in command
+ else:
+ assert command[command.index("--dp-bias-rule") + 1] == row["rule"]
+ patch = BIAS_PATCH.read_text(encoding="utf-8")
+ for token in (
+ "create_dp_bias_auxiliary", "dp_bias_differences",
+ "train_dp_bias_epoch", "instruction_observations_for_predictor",
+ ):
+ assert token in patch
+ print(json.dumps({
+ "status": "passed", "num_cells": len(rows),
+ "registry_sha256": registry_sha256(rows),
+ }, indent=2, sort_keys=True))
+
+
+if __name__ == "__main__":
+ main()