[GitHub] ptrendx commented on issue #8103: rec generated by im2rec.py has same value for different key in idx

[gi...@git.apache.org]

ptrendx commented on issue #8103: rec generated by im2rec.py has same value for different key in idx
URL: https://github.com/apache/incubator-mxnet/issues/8103#issuecomment-334148286
 
 
   Ok, I looked it up and it turns out that on Windows long is 32 bit vs 64
   bit on linux, and ftell returns long. I will make a PR to dmlc-core today
   with the fix.
   
   Thanks for reporting the bug!
   
   On Wed, Oct 4, 2017, 02:56 Qi Cai <no...@github.com> wrote:
   
   > I found that the problem occurs when the file size reaches 2GB. The pos in
   > this line
   > https://github.com/apache/incubator-mxnet/blob/master/python/mxnet/recordio.py#L248
   > becomes 18446744073709551615(-1). I have checked the system is x64 based
   > and tested with python2/python3 and the latest build of mxnet. The problem
   > still exists. However, the *.rec looks fine.
   >
   > ?
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