Re: [Boost-users] boost MPI issue on windows

Subject: Re: [Boost-users] boost MPI issue on windows
From: Matthias Troyer (troyer_at_[hidden])
Date: 2010-11-02 15:03:17

On 1 Nov 2010, at 20:41, Nick Collier wrote:

> On Nov 1, 2010, at 3:25 PM, Matthias Troyer wrote:
> 
>> 
>> On 1 Nov 2010, at 15:41, Nick Collier wrote:
>> 
>>> With that in place in Release mode, t
>>> 
>>> 1st  (in scatter.hpp) ar.size(): 48
>> 
>> the line after that is a call to:
>> 
>>       detail::packed_archive_send(comm, dest, tag, oa);
>> 
>> 
>> and in that function:
>> 
>> void packed_archive_send(MPI_Comm comm, int dest, int tag,
>>                   const packed_oarchive& ar)
>> 
>> you immediately print the strange number:
>> 
>>> 2nd (before line 31 in point_to_point.cpp) ar.size(): 2292879725
>>> 
>>> In Debug mode, both are 48.
>> 
>> Do you agree? If so, this is a clear optimizer error.
>> 
>> Matthias
> 
> Yes, immediately before the call its normal, then in the function its the strange number.
> 
> Nick
> 

One potential issue comes to my mind: have you compiled the Boost libraries with the same compiler flags as your code?

Matthias