Files
whetstone_DSL/specialists/scripts/train_prereq_op.sh
Bill 3fc9deac5b specialists: switch training to PyTorch, add capacity sweep infrastructure
- train_specialist_pt.py: pure PyTorch trainer replacing Fabricate binary.
  No SQLite/WAL — saves checkpoint.pt + history.json only. Fabricate was
  causing D-state IO blocking on the HDD due to continuous WAL writes.
- eval_specialist_pt.py: PyTorch eval with confusion matrix, threshold
  analysis, guardrail assessment, and deployment verdict.
- capacity_sweep.py: updated to call PyTorch scripts; TIERS now include
  heads field (4/6/8) since PyTorch supports multi-head unlike Fabricate.
- prereq_op_binary_split.py: evaluate_combined rewritten in PyTorch.
- Performance fix in train_specialist_pt.py: load training data onto GPU
  once and sample via torch.randint instead of DataLoader (eliminates
  Python/CPU overhead on tiny datasets). Fix applied, not yet timed.

Next session: time the fix, then run sweep_all_gates.sh --pilot-only.
See HANDOFF-2026-03-31.md for full context.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-31 22:55:51 -06:00

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#!/usr/bin/env bash
# Train the prereq_op_selector 4-way specialist.
#
# Classes:
# 0 = standard [validate-intake, resolve-dependencies]
# 1 = needs_review [validate-intake, architect-review]
# 2 = needs_approval [validate-intake, manual-approval]
# 3 = full_gates [validate-intake, architect-review, manual-approval]
#
# Usage: bash specialists/scripts/train_prereq_op.sh
# (run from whetstone_DSL root)
set -euo pipefail
ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
FABRICATE_ROOT="/home/bill/Documents/WhetstoneAI_Fabricate"
TRAIN_DATA="$ROOT/specialists/data/generated/prereq_op_train.tsv"
EVAL_DATA="$ROOT/specialists/data/generated/prereq_op_eval.tsv"
OUT_DIR="/mnt/storage/fabricate_runs/whetstone_prereq_op"
HISTORY="$ROOT/specialists/runs/prereq_op_history.json"
RUN_LOG="$ROOT/specialists/runs/prereq_op_training.log"
mkdir -p "$ROOT/specialists/runs" "$OUT_DIR"
if [[ ! -f "$TRAIN_DATA" ]]; then
echo "Missing training data. Run:" >&2
echo " python3 specialists/scripts/gen_prereq_op_data.py" >&2
exit 1
fi
echo "Training prereq_op_selector specialist..."
echo " train: $TRAIN_DATA"
echo " eval: $EVAL_DATA"
echo " out: $OUT_DIR"
echo " log: $RUN_LOG"
echo ""
cd "$FABRICATE_ROOT"
.venv/bin/python3 run_grokking_until.py \
--dataset "$TRAIN_DATA" \
--eval-dataset "$EVAL_DATA" \
--out-dir "$OUT_DIR" \
--labels "standard,needs_review,needs_approval,full_gates" \
--lr 0.001 \
--weight-decay 0.01 \
--max-steps 5000 \
--grok-loss-threshold 0.10 \
--grok-acc-jump 15.0 \
--stop-after-grokking-blocks 3 \
--history-out "$HISTORY" \
2>&1 | tee "$RUN_LOG"
echo ""
echo "Done. Checkpoint at: $OUT_DIR/checkpoint.bin"