axis = SocialNorms/Care (Authority degenerate); over-steer generation

scripts/diag_axis.py shows steering at 1 nat moves gemma's foundation profile
the right way: SocialNorms 0.68->0.42, Care 0.21->0.33, coherence 0.72->0.88.
Authority is ~0 on this model (no headroom), so:
- eval reports all foundations; trait axis = SocialNorms (down) + Care (up)
- map.html plots Care vs SocialNorms
- add gen_alpha=1.5: over-steer generation into the incoherent regime so the
  heal (Q1) has work to do (at 1 nat coherence improved, nothing to heal)
- results.py groups on coherence/socialnorms/care

Co-Authored-By: Claudypoo <288921227+claudypoo@users.noreply.github.com>
This commit is contained in:
wassname
2026-06-04 10:28:52 +08:00
parent 5cdc0ba16d
commit 81340e3272
7 changed files with 92 additions and 18 deletions
+17
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@@ -23,3 +23,20 @@ Bug found: iso-KL calibration could not reach `target_kl=1.0`. c_star pinned at
**Fix:** pass `bracket=(0.1, 1024.0)` to `v.calibrate`. Re-running to confirm an interior c_star with p95 KL ~ 1.0. **Fix:** pass `bracket=(0.1, 1024.0)` to `v.calibrate`. Re-running to confirm an interior c_star with p95 KL ~ 1.0.
**Also to investigate:** auth=0.000 exactly — is gemma-3-1b-it genuinely never attributing the Authority foundation on these 24 vignettes, or a metric/profile issue? Check once steering is strong enough to move things. **Also to investigate:** auth=0.000 exactly — is gemma-3-1b-it genuinely never attributing the Authority foundation on these 24 vignettes, or a metric/profile issue? Check once steering is strong enough to move things.
## Steering validity confirmed; real axis is SocialNorms/Care, not Authority
`scripts/diag_axis.py` on gemma-3-1b-it, base vs steered at calibrated c_star=67.7 (~1 nat p95 KL). The vector moves the moral-foundation profile in the right direction for "less deference to authority":
| foundation | base | steered | Δ |
|-------------|-------|---------|--------|
| SocialNorms | 0.680 | 0.421 | -0.260 |
| Care | 0.213 | 0.328 | +0.115 |
| Fairness | 0.030 | 0.098 | +0.069 |
| Liberty | 0.040 | 0.075 | +0.035 |
| Authority | 0.000 | 0.001 | +0.001 |
| coherence | 0.722 | 0.884 | +0.162 |
**Interpretation:** the core premise holds, steering shifts moral judgments coherently toward the trait. But (1) Authority is degenerate on this model (~0), so the eval/plot axis must be **SocialNorms (down) and Care (up)**, not Authority. (2) At the 1-nat dose coherence went UP, not down, so there is little incoherency to heal at alpha=1. To give Q1 (heal) something to do we must generate training data at higher alpha (~1.5-2 nats, where the iso-KL repo finds "dead" traces) or rely on long-trajectory drift.
**Changes:** eval reports all foundations; map uses Care vs SocialNorms; add `gen_alpha` (default 1.5) so generation over-steers into the incoherent regime while calibration stays at 1 nat.
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@@ -0,0 +1,51 @@
"""Diagnostic: does the steering vector move the moral-foundation profile, and where?
Base gemma-3-1b-it puts ~0 on the Authority foundation (forced-choice), so the
"authority axis" has no headroom. This prints base vs steered (at calibrated
c_star) 7-foundation profiles side by side so we can pick the axis the trait
actually moves. Run: uv run python scripts/diag_axis.py
"""
import sys
import torch
import tinymfv
from transformers import AutoModelForCausalLM, AutoTokenizer
sys.path.insert(0, "src")
from steer_heal.config import RunConfig # noqa: E402
from steer_heal.steering import teacher_vec # noqa: E402
MODEL = "google/gemma-3-1b-it"
cfg = RunConfig(model=MODEL, n_prompts=12)
tok = AutoTokenizer.from_pretrained(MODEL)
if tok.pad_token is None:
tok.pad_token = tok.eos_token
model = AutoModelForCausalLM.from_pretrained(
MODEL, torch_dtype=torch.bfloat16, device_map="auto", attn_implementation="eager"
).eval()
v = teacher_vec(model, tok, cfg)
def profile(label):
rep = tinymfv.evaluate(model, tok, name="classic", n_vignettes=24,
conditions=("other_violate",), max_think_tokens=64, device=model.device)
p = dict(zip(rep["profile"]["foundation"], rep["profile"]["model"]))
p["_coherence"] = rep["mean_pmass_allowed"]
print(f"\n=== {label} ===")
for k, x in p.items():
print(f" {k:12s} {x:.4f}")
return p
base = profile("BASE (c=0)")
with v(model, C=v.cfg.coeff):
steer = profile(f"STEERED (c_star={v.cfg.coeff:.1f}, ~1 nat)")
print("\n=== delta (steered - base), sorted by |Δ| ===")
keys = [k for k in base if not k.startswith("_")]
for k in sorted(keys, key=lambda k: -abs(steer[k] - base[k])):
print(f" {k:12s} {base[k]:+.4f} -> {steer[k]:+.4f} Δ={steer[k]-base[k]:+.4f}")
print(f" coherence {base['_coherence']:.3f} -> {steer['_coherence']:.3f}")
+5 -4
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@@ -19,13 +19,14 @@ df = pl.read_csv(RESULTS_TSV, separator="\t")
agg = ( agg = (
df.group_by(GROUP) df.group_by(GROUP)
.agg( .agg(
pl.col("p_ans_any").mean().round(3).alias("coherence"), pl.col("coherence").mean().round(3),
pl.col("auth").mean().round(3), pl.col("socialnorms").mean().round(3), # trait axis: lower = more trait
pl.col("auth").std().round(3).alias("auth_sd"), pl.col("care").mean().round(3),
pl.col("care").std().round(3).alias("care_sd"),
pl.len().alias("n"), pl.len().alias("n"),
pl.col("seed").cast(pl.Utf8).sort().str.join(",").alias("seeds"), pl.col("seed").cast(pl.Utf8).sort().str.join(",").alias("seeds"),
pl.col("argv").first(), pl.col("argv").first(),
) )
.sort("auth", descending=True) .sort("care", descending=True)
) )
print(tabulate(agg.to_pandas(), headers="keys", tablefmt="pipe", floatfmt="+.3f")) print(tabulate(agg.to_pandas(), headers="keys", tablefmt="pipe", floatfmt="+.3f"))
+1
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@@ -23,6 +23,7 @@ class RunConfig:
neutral: str = "You are a helpful assistant." neutral: str = "You are a helpful assistant."
layer_range: tuple[float, float] = (0.4, 0.6) # fraction of depth to steer layer_range: tuple[float, float] = (0.4, 0.6) # fraction of depth to steer
target_kl: float = 1.0 # iso-KL p95 dose (nats) target_kl: float = 1.0 # iso-KL p95 dose (nats)
gen_alpha: float = 1.5 # over-steer generation into the incoherent regime (heal has work to do)
alphas: tuple[float, ...] = (0.5, 1.0, 1.5, 2.0) # multiples of c_star to generate at alphas: tuple[float, ...] = (0.5, 1.0, 1.5, 2.0) # multiples of c_star to generate at
# ── generation + filter (U1) ── # ── generation + filter (U1) ──
+11 -7
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@@ -24,17 +24,21 @@ def evaluate_model(model, tok, cfg: RunConfig) -> dict:
device=model.device, device=model.device,
) )
prof = rep["profile"] # pandas: foundation, human, model, model_T prof = rep["profile"] # pandas: foundation, human, model, model_T
model_p = dict(zip(prof["foundation"], prof["model"])) p = dict(zip(prof["foundation"], prof["model"]))
# SHOULD: auth/care in [0,1], coherence ~ base level on a working model; # The trait "less deference to authority" moves SocialNorms DOWN and Care UP
# a sharp coherence drop after steering = format collapse. On tiny-random # on gemma-3-1b-it (Authority is degenerate ~0; see RESEARCH_JOURNAL 2026-06-04).
# the numbers are junk (we test the path, not the value). # Report all foundations so we never lose the axis that actually moves.
# SHOULD: under steering, socialnorms drops and care rises; coherence holds.
out = { out = {
"auth": float(model_p["Authority"]), "socialnorms": float(p["SocialNorms"]), # trait axis: DOWN = more trait
"care": float(model_p["Care"]), "care": float(p["Care"]), # trait axis: UP = more trait
"auth": float(p["Authority"]),
"fairness": float(p["Fairness"]),
"liberty": float(p["Liberty"]),
"coherence": float(rep["mean_pmass_allowed"]), "coherence": float(rep["mean_pmass_allowed"]),
"ppx_json": float(math.exp(rep["mean_nll_json"])), "ppx_json": float(math.exp(rep["mean_nll_json"])),
"top1_acc": float(rep["top1_acc"]), "top1_acc": float(rep["top1_acc"]),
} }
logger.info(f"eval: auth={out['auth']:.3f} care={out['care']:.3f} " logger.info(f"eval: socialnorms={out['socialnorms']:.3f} care={out['care']:.3f} "
f"coherence={out['coherence']:.3f} ppx={out['ppx_json']:.1f}") f"coherence={out['coherence']:.3f} ppx={out['ppx_json']:.1f}")
return out return out
+5 -5
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@@ -15,20 +15,20 @@ def write_map(run_dir: Path, rounds: list[dict]) -> Path:
r = [d["round"] for d in rounds] r = [d["round"] for d in rounds]
fig = make_subplots( fig = make_subplots(
rows=1, cols=2, column_widths=[0.6, 0.4], rows=1, cols=2, column_widths=[0.6, 0.4],
subplot_titles=("trait map: Care vs Authority", "coherence + direction per round"), subplot_titles=("trait map: Care vs SocialNorms", "coherence + direction per round"),
specs=[[{"type": "scatter"}, {"type": "scatter"}]], specs=[[{"type": "scatter"}, {"type": "scatter"}]],
) )
# trajectory across the auth axis, coloured by round # trajectory across the SocialNorms axis (trait moves it DOWN, Care UP), coloured by round
fig.add_trace(go.Scatter( fig.add_trace(go.Scatter(
x=[d["auth"] for d in rounds], y=[d["care"] for d in rounds], x=[d["socialnorms"] for d in rounds], y=[d["care"] for d in rounds],
mode="lines+markers+text", text=[f"r{i}" for i in r], textposition="top center", mode="lines+markers+text", text=[f"r{i}" for i in r], textposition="top center",
marker=dict(size=12, color=r, colorscale="Viridis", showscale=False), marker=dict(size=12, color=r, colorscale="Viridis", showscale=False),
hovertext=[f"r{d['round']} coh={d['coherence']:.3f} cos={d.get('cos_v0', float('nan')):.2f}" hovertext=[f"r{d['round']} coh={d['coherence']:.3f} cos={d.get('cos_v0', float('nan')):.2f}"
for d in rounds], for d in rounds],
name="trajectory", name="trajectory",
), row=1, col=1) ), row=1, col=1)
fig.update_xaxes(title_text="Authority p (trait)", row=1, col=1) fig.update_xaxes(title_text="SocialNorms p (trait)", row=1, col=1)
fig.update_yaxes(title_text="Care p", row=1, col=1) fig.update_yaxes(title_text="Care p (trait →)", row=1, col=1)
fig.add_trace(go.Scatter(x=r, y=[d["coherence"] for d in rounds], fig.add_trace(go.Scatter(x=r, y=[d["coherence"] for d in rounds],
mode="lines+markers", name="coherence"), row=1, col=2) mode="lines+markers", name="coherence"), row=1, col=2)
+2 -2
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@@ -67,7 +67,7 @@ def steer_heal(model, tok, cfg: RunConfig, run_dir: Path) -> dict:
# extract teacher vector + generate steered data from the CURRENT student # extract teacher vector + generate steered data from the CURRENT student
with baked(model, hist_specs): with baked(model, hist_specs):
v = teacher_vec(model, tok, cfg) v = teacher_vec(model, tok, cfg)
comps = generate_steered(model, tok, v, alpha=1.0, cfg=cfg) comps = generate_steered(model, tok, v, alpha=cfg.gen_alpha, cfg=cfg)
# filter under the ORIGINAL (no history, no steering) # filter under the ORIGINAL (no history, no steering)
kept, scored = filter_completions(model, tok, comps, cfg) kept, scored = filter_completions(model, tok, comps, cfg)
log_event(run_dir, stage="gen", round=rnd, n_comps=len(comps), n_kept=len(kept), scored=scored) log_event(run_dir, stage="gen", round=rnd, n_comps=len(comps), n_kept=len(kept), scored=scored)
@@ -87,7 +87,7 @@ def steer_heal(model, tok, cfg: RunConfig, run_dir: Path) -> dict:
rec = {"round": rnd, **m, "cos_v0": cos_v0, "c_star": float(v.cfg.coeff), "n_kept": len(kept)} rec = {"round": rnd, **m, "cos_v0": cos_v0, "c_star": float(v.cfg.coeff), "n_kept": len(kept)}
rounds.append(rec) rounds.append(rec)
log_event(run_dir, stage="round", **rec) log_event(run_dir, stage="round", **rec)
logger.info(f"round {rnd}: auth={m['auth']:.3f} care={m['care']:.3f} " logger.info(f"round {rnd}: socialnorms={m['socialnorms']:.3f} care={m['care']:.3f} "
f"coh={m['coherence']:.3f} cos_v0={cos_v0:+.2f}") f"coh={m['coherence']:.3f} cos_v0={cos_v0:+.2f}")
map_path = write_map(run_dir, rounds) map_path = write_map(run_dir, rounds)