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[TVM FFI] Bump tvm ffi to 0.1.10 in unittests and run checks in separate function to avoid lifecycle issue #78871

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Merged
SigureMo merged 8 commits into from
May 3, 2026
+29 −8
Merged

[TVM FFI] Bump tvm ffi to 0.1.10 in unittests and run checks in separate function to avoid lifecycle issue #78871

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71bc512
[TVM FFI] Bump tvm ffi to `0.1.10` in unittests and run checks in sep…
SigureMo May 2, 2026
e3d76e4
add co-author
SigureMo May 2, 2026
184cc2f
[TVM FFI] localize load_inline lifetime in tests
SigureMo May 2, 2026
3eae8e2
[TVM FFI] narrow load_inline lifetime workaround
SigureMo May 2, 2026
23d0957
[TVM FFI] restore keep-alive opt-out in Windows tests
SigureMo May 3, 2026
5710006
[TVM FFI] test alloc_tensor without keep-alive opt-out
SigureMo May 3, 2026
cb7cbaa
[TVM FFI] workaround MSVC compile issue in tests
SigureMo May 3, 2026
db946a3
keep_module_alive=False in test_c_dlpack_exchange_api_alloc_tensor
SigureMo May 3, 2026
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2 changes: 1 addition & 1 deletion python/unittest_py/requirements.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,6 @@ xdoctest==1.3.0
ubelt==1.4.0 # just for xdoctest
mypy==1.19.1
soundfile
apache-tvm-ffi==0.1.5
apache-tvm-ffi==0.1.10
graphviz
nvidia-ml-py3 ; platform_system != "Darwin"
35 changes: 28 additions & 7 deletions test/legacy_test/test_tvm_ffi.py
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Expand Up @@ -63,7 +63,10 @@ def test_c_dlpack_exchange_api_cpu(self):
"""

mod: Module = tvm_ffi.cpp.load_inline(
name='mod', cpp_sources=cpp_source, functions='add_one_cpu'
name='mod',
cpp_sources=cpp_source,
functions='add_one_cpu',
keep_module_alive=False,
)

x = paddle.full((3,), 1.0, dtype='float32').cpu()
Expand Down Expand Up @@ -141,11 +144,23 @@ def test_c_dlpack_exchange_api_alloc_tensor(self):
}
"""
mod: Module = tvm_ffi.cpp.load_inline(
name='mod', cpp_sources=cpp_source, functions=['add_one_cpu']
name='mod',
cpp_sources=cpp_source,
functions=['add_one_cpu'],
keep_module_alive=False,
)
x = paddle.full((3,), 1.0, dtype='float32').cpu()
y = mod.add_one_cpu(x)
np.testing.assert_allclose(y.numpy(), [2.0, 2.0, 2.0])

def run_check():
"""Must run in a separate function to ensure deletion happens before mod unloads.

When a module returns an object, the object deleter address is part of the
loaded library. We need to keep the module loaded until the object is deleted.
"""
x = paddle.full((3,), 1.0, dtype='float32').cpu()
y = mod.add_one_cpu(x)
np.testing.assert_allclose(y.numpy(), [2.0, 2.0, 2.0])

run_check()


class TestDLPackDataType(unittest.TestCase):
Expand Down Expand Up @@ -191,7 +206,10 @@ def test_data_type_as_input(self):
}
"""
mod: Module = tvm_ffi.cpp.load_inline(
name='mod', cpp_sources=cpp_source, functions='check_dtype'
name='mod',
cpp_sources=cpp_source,
functions='check_dtype',
keep_module_alive=False,
)
for dtype in [
paddle.bool,
Expand Down Expand Up @@ -251,7 +269,10 @@ def test_dlpack_device_type_as_input(self):
}
"""
mod: Module = tvm_ffi.cpp.load_inline(
name='mod', cpp_sources=cpp_source, functions='check_device'
name='mod',
cpp_sources=cpp_source,
functions='check_device',
keep_module_alive=False,
)

x_cpu = paddle.zeros((10,), dtype='float32').cpu()
Expand Down
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