hcqfuzz: init (#10049)

* hcqfuzz: init

* fix fuzz

* linter

* graph

* taht test

* update readme

test/external/external_fuzz_hcq_signals.py

@@ -24,7 +24,7 @@ def main():
     dev.timeline_value += 1
 
     if sync:=random.randint(0, 10) < 3: dev.synchronize()
-    if DEBUG >= 2: print(f"{i}: {q_t.__name__} {dev.device_id} timeline {dev.timeline_value}, wait for {[d.device_id for d in wait_devs]}, {sync=}")
+    if DEBUG >= 2: print(f"{i}: {q_t} {dev.device_id} timeline {dev.timeline_value}, wait for {[d.device_id for d in wait_devs]}, {sync=}")
     elif i % 100 == 0: print(f"\rCompleted {i} iterations", end='')
 
 if __name__ == "__main__":

test/external/external_fuzz_tlsf.py

@@ -1,6 +1,6 @@
 import random
 from typing import Dict, Optional
-
+from tinygrad.helpers import getenv
 from tinygrad.runtime.support.allocator import TLSFAllocator
 
 class AllocatorFuzzer:
@@ -62,7 +62,7 @@ class AllocatorFuzzer:
     return True
 
   def run(self):
-    for i in range(10000000):
+    for i in range(getenv("ITERS", 100000)):
       if (random.random() < self.alloc_probability or not self.allocations): self.random_alloc()
       else: self.random_free()
 
@@ -72,5 +72,8 @@ class AllocatorFuzzer:
     print("Fuzzing completed successfully!")
 
 if __name__ == "__main__":
+  SEED = getenv("SEED", 42)
+  random.seed(SEED)
+
   fuzzer = AllocatorFuzzer(1 << 30)
   fuzzer.run()

test/external/fuzz_graph.py

@@ -121,7 +121,7 @@ if __name__ == "__main__":
   np.random.seed(SEED)
 
   next_graph_id = 0
-  while True:
+  for i in range(getenv("ITERS", 1000)):
     print("Running graph", next_graph_id)
     jis, all_buffers, input_buffers = gen_graph()
     fuzz_graph(jis, all_buffers, input_buffers)