deserialization fails on android if nans are present

[soumith]

If a tensor/table is serialized on x86 (ascii or binary) where nans are allowed to be saved and loaded,
and then serialized to ASCII, then loaded on an ARM machine, the loading fails with the error:
read error: read %d blocks instead of %d
where %d can be various numbers.

[vgokhale]

Was this issue ever fixed?

[soumith]

no, its not an easy fix, has to do with the behavior of Libc on android

[soumith]

for now, just convert the model to ascii, make the nan values to be 0, convert back to binary! that's what i do :-/

[vgokhale]

Just to be sure, "nan" shows up as "inf/-inf" in the ascii network file, right?

[soumith]

yes, or as nan, i cant remember.

[vgokhale]

Ok. Thank you!

[vgokhale]

This worked. Took quite a while playing with "sed" to get it to replace all the "infs/-infs" correctly :|

For people that come here in the future, this is specific to the Bionic libc right? I sort of got the idea from reading the title that it was specific to all ARM devices.