Synced from resonance-engine-active - July 16 2026

verify_stress.py

@@ -0,0 +1,73 @@
+#!/usr/bin/env python3
+"""Quick stress perturbation verification."""
+import zmq, json, time, struct
+import numpy as np
+
+ctx = zmq.Context()
+cp = ctx.socket(zmq.PUB)
+cp.connect('tcp://127.0.0.1:5557')
+asub = ctx.socket(zmq.SUB)
+asub.connect('tcp://127.0.0.1:5559')
+asub.setsockopt_string(zmq.SUBSCRIBE, '')
+ssub = ctx.socket(zmq.SUB)
+ssub.connect('tcp://127.0.0.1:5560')
+ssub.setsockopt_string(zmq.SUBSCRIBE, '')
+time.sleep(0.5)
+
+# Drain
+while True:
+    try:
+        ssub.recv(flags=zmq.NOBLOCK)
+    except zmq.ZMQError:
+        break
+while True:
+    try:
+        asub.recv(flags=zmq.NOBLOCK)
+    except zmq.ZMQError:
+        break
+
+# Baseline stress snapshot
+cp.send_string(json.dumps({'cmd': 'stress_snapshot_now'}))
+time.sleep(0.8)
+d0 = ssub.recv()
+sxy0 = np.frombuffer(d0, dtype=np.float32, count=1048576, offset=8 + 8 * 1048576)
+sxy0 = sxy0.reshape(1024, 1024)
+bx = np.mean(sxy0[507:518, 507:518])
+print(f'Baseline sxy at [507:518,507:518]: {bx:.8e}')
+
+# Apply perturb_stress
+cp.send_string(json.dumps({'cmd': 'perturb_stress', 'x': 512, 'y': 512, 'sigma': 16, 'strength': 0.1}))
+time.sleep(0.3)
+acks = []
+while True:
+    try:
+        acks.append(json.loads(asub.recv_string()))
+    except zmq.ZMQError:
+        break
+for a in acks:
+    s = json.dumps(a)
+    print(f'ACK: {s[:150]}')
+
+# Post stress snapshot
+time.sleep(0.2)
+cp.send_string(json.dumps({'cmd': 'stress_snapshot_now'}))
+time.sleep(0.8)
+d1 = ssub.recv()
+sxy1 = np.frombuffer(d1, dtype=np.float32, count=1048576, offset=8 + 8 * 1048576)
+sxy1 = sxy1.reshape(1024, 1024)
+ax = np.mean(sxy1[507:518, 507:518])
+delta = ax - bx
+print(f'Post    sxy at [507:518,507:518]: {ax:.8e}')
+print(f'Delta: {delta:.8e}')
+print(f'Pre-committed threshold: |delta| > 1e-8')
+passed = abs(delta) > 1e-8
+print(f'VERIFICATION: {"PASS" if passed else "FAIL"}')
+if passed:
+    print('f_neq actually changed -- stress perturbation confirmed.')
+else:
+    print('f_neq did NOT change -- perturbation was equilibrated away before snapshot.')
+
+cp.close()
+asub.close()
+ssub.close()
+ctx.term()