Hello PETSc developers,

 

I was trying to MatLoad a large matrix into a serial machine. The matrix is 
about 6G on disk (binary). I'm seeing signal 11 on MatLoad phase. However, I 
was able to load other smaller matrices (less than 1G) in serial (although I 
haven't binary-searched to find out what is the critical size of the crash). 
Also, I was able to load the 6G matrix when I ran with 4 cores, meaning SEQAIJ 
type has become  MPIAIJ type. BTW I built and ran PETSc on both 64-bit lnx86_64 
machines.

 

I'm not sure if you have seen this. I'm not sure if this is a bug because I'm 
still using 2.3.3 instead of 3.0, and I also suspect I might have missed 
something on build or run. Have you seen this?

 

Thanks,

Chun

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