sunnypilot v2026.002.000

version: sunnypilot v2026.002.000 (staging)
date: 2026-07-21T07:44:02
master commit: 2c334ede443d7391d27575af8c854a095ba702a8

tinygrad_repo/test/unit/test_hcq_graph.py

@@ -0,0 +1,44 @@
+import unittest
+from tinygrad import Device, Tensor
+from tinygrad.engine.jit import TinyJit
+from tinygrad.uop.ops import UOp, Ops
+from tinygrad.dtype import dtypes
+from tinygrad.runtime.graph.hcq import HCQGraph
+from tinygrad.runtime.support.hcq import HCQCompiled
+from tinygrad.runtime.support.usb import USBMMIOInterface
+from test.mockgpu.usb import MockUSB
+
+@unittest.skipUnless(issubclass(type(Device[Device.DEFAULT]), HCQCompiled), "HCQ device required to run")
+class TestHCQUnit(unittest.TestCase):
+  @unittest.skipIf(Device.DEFAULT == "CPU", "requires non-CPU HCQ device")
+  def test_supports_uop(self):
+    d0, cpu_dev = Device[Device.DEFAULT], Device["CPU"]
+
+    @TinyJit
+    def f(inp, inp_cpu):
+      return (inp + 1.0).contiguous().realize(), (inp_cpu + 1.0).contiguous().realize()
+    inp, inp_cpu = Tensor.randn(10, 10, device=Device.DEFAULT).realize(), Tensor.randn(10, 10, device="CPU").realize()
+    for _ in range(5): f(inp, inp_cpu)
+
+    # construct minimal CALL UOps for supports_uop (graphs only see PROGRAMs after compile_linear)
+    gpu_call = UOp(Ops.PROGRAM, src=(UOp.sink(), UOp(Ops.DEVICE, arg=Device.DEFAULT))).call(UOp.new_buffer(Device.DEFAULT, 1, dtypes.float))
+    cpu_call = UOp(Ops.PROGRAM, src=(UOp.sink(), UOp(Ops.DEVICE, arg="CPU"))).call(UOp.new_buffer("CPU", 1, dtypes.float))
+    gpu_devs = [d0]
+
+    # local MMIO: GPU works alone and with CPU in batch (cpu_support=True)
+    assert HCQGraph.supports_uop(gpu_devs, gpu_call) is True
+    assert HCQGraph.supports_uop(gpu_devs, cpu_call) is True
+    assert HCQGraph.supports_uop(gpu_devs + [cpu_dev], gpu_call) is True
+
+    # USB MMIO: GPU-only still works, but CPU batching must be rejected (cpu_support=False)
+    orig_view = d0.timeline_signal.base_buf.view
+    try:
+      d0.timeline_signal.base_buf.view = USBMMIOInterface(MockUSB(bytearray(256)), 0, 16, fmt='B')
+      assert HCQGraph.supports_uop(gpu_devs, gpu_call) is True
+      assert HCQGraph.supports_uop(gpu_devs, cpu_call) is False
+      assert HCQGraph.supports_uop(gpu_devs + [cpu_dev], gpu_call) is False
+    finally:
+      d0.timeline_signal.base_buf.view = orig_view
+
+if __name__ == "__main__":
+  unittest.main()