KexinFeng edited a comment on issue #20293:
URL:
https://github.com/apache/incubator-mxnet/issues/20293#issuecomment-867012740
I see.
> because the equivalent python example in my original report works fine and
it also has the _copy operator
Actually I notice a discrepancy between the python call and cpp call. In
python code, it calls `CachedOp::Forward()` and then
`CachedOp::StaticForward()`. In cpp code, `CachedOp::Forward()` calls
`CachedOp::DynamicForward()`. I currently don't know if this discrepancy
triggers the bug. But it can be tested quicly by setting something like
`hybridize(static_alloc=True)` on python, or setting `static_alloc=False` on
cpp.
*Update*
As a temporary solution, I find changing static allocation to false will
avoid this bug.
/* Create cached op */
const char *cachedop_keys[1] = {"static_alloc"};
const char *cachedop_vals[1] = {"false"};
I'm wondering if dynamic allocation is applicable in your usage?
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