openpilot v0.9.7 release

date: 2024-06-11T01:36:39
master commit: f8cb04e4a8b032b72a909f68b808a50936184bee

scripts/waste.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+import os
+import time
+import numpy as np
+from multiprocessing import Process
+from setproctitle import setproctitle
+
+def waste(core):
+  os.sched_setaffinity(0, [core,])
+
+  m1 = np.zeros((200, 200)) + 0.8
+  m2 = np.zeros((200, 200)) + 1.2
+
+  i = 1
+  st = time.monotonic()
+  j = 0
+  while 1:
+    if (i % 100) == 0:
+      setproctitle("%3d: %8d" % (core, i))
+      lt = time.monotonic()
+      print("%3d: %8d %f  %.2f" % (core, i, lt-st, j))
+      st = lt
+    i += 1
+    j = np.sum(np.matmul(m1, m2))
+
+def main(gctx=None):
+  print("1-2 seconds is baseline")
+  for i in range(os.cpu_count()):
+    p = Process(target=waste, args=(i,))
+    p.start()
+
+if __name__ == "__main__":
+  main()