Files
tinygrad/test/unit/test_metal_graph.py
2026-08-11 14:27:29 -07:00

37 lines
1.4 KiB
Python

import unittest
from tinygrad import Device
from tinygrad.uop.ops import Ops, UOp
from tinygrad.dtype import dtypes
@unittest.skipUnless(Device.DEFAULT == "METAL", "Metal device required to run")
class TestMetalGraph(unittest.TestCase):
def setUp(self):
from tinygrad.runtime.graph.metal import MetalGraph
self.MetalGraph = MetalGraph
self.dev = Device[Device.DEFAULT]
def metal_buf(self, offset, bitcast=False):
size = 4 if bitcast else 1
buf = UOp.new_buffer(Device.DEFAULT, offset+size, dtypes.uint8)
if offset: buf = buf[offset:offset+size]
return buf.bitcast(dtypes.float32) if bitcast else buf
def supports_uop(self, *bufs):
return self.MetalGraph.supports_uop([self.dev], UOp(Ops.PROGRAM, src=(UOp.sink(),)).call(*bufs))
def test_supports_uop_normal_offset(self):
assert self.supports_uop(self.metal_buf(0), self.metal_buf(100), self.metal_buf(0xFFFFFFFF)) is True
def test_supports_uop_overflow_offset(self):
assert self.supports_uop(self.metal_buf(0), self.metal_buf(0x100000000)) is False
def test_supports_uop_non_view_buf(self):
assert self.supports_uop(self.metal_buf(0)) is True
def test_supports_uop_bitcast(self):
assert self.supports_uop(self.metal_buf(0xFFFFFFFF, bitcast=True)) is True
assert self.supports_uop(self.metal_buf(0x100000000, bitcast=True)) is False
if __name__ == "__main__":
unittest.main()