wkcn edited a comment on issue #13036: fix operators to support large arrays. URL: https://github.com/apache/incubator-mxnet/issues/13036#issuecomment-435591320 In my test, it seem that the performances of `+/-` between `int32_t` and `int64_t` are the same. CPU: Intel i7-7500U OS: Arch Linux x64 Test Code: https://github.com/wkcn/c_performance ``` Test int 2381 ms 2297 ms 2300 ms 3729 ms Test int32_t 2356 ms 2314 ms 2302 ms 3731 ms Test int64_t 2398 ms 2297 ms 2318 ms 9197 ms Test float 2687 ms 2690 ms 2690 ms 2686 ms Test double 2713 ms 2711 ms 2711 ms 2709 ms ```
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