* Fix the integer overflow problem of the scatter_nd op.
* Fix scatter_nd's crash problem:
1. Existing scatter_nd cuda implementation has a very large bound,
which could overflow int32 range when input tensor shape is
large enough;
2. The overflow could cause the if statement always evaluate to
true, thus conducts invalid memory accesses;
3. We fix this problem in this commit by reducing the bound, the
original large bound is not only unnecessary, but also degrading
the performance; With this fix, scatter_op's performance improves
100x on some cases.
Co-authored-by: wenxizhu <wenxizhu@tencent.com>
zhuwenxi
d043cb962f