AlenkaF commented on code in PR #41889:
URL: https://github.com/apache/arrow/pull/41889#discussion_r1636435281
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python/pyarrow/tests/test_cuda.py:
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@@ -313,7 +313,8 @@ def test_CudaBuffer(size):
assert cbuf[s].to_pybytes() == arr[s].tobytes()
sbuf = cbuf.slice(size//4, size//2)
- assert sbuf.parent == cbuf
+ cbuf_parent = cuda.CudaBuffer.from_buffer(sbuf.parent)
+ assert cbuf_parent.to_pybytes() == cbuf.to_pybytes()
Review Comment:
Oh, I think I know.
If I compared buffers coming out from the same memory location the `equals`
method worked (for example sliced pyarrow Buffer on gpu and sliced CUDA buffer
from which the pyarrow Buffer was created, or the example in the cuda test).
But if I compared buffers on gpu but on a different memory location, it failed.
Not sure it makes sense - will add a repr (working on it).
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