[Symphony] Same version of symphony built with different -O options produces different solutions

[Peter Moceyunas]

On 9/15/2011 8:55 AM, Michael Hennebry wrote:
> On Wed, 14 Sep 2011, Peter Moceyunas wrote:
>
>> I have built symphony 5.4.0 on the same machine 5 different ways each 
>> using the same gcc compiler (3.4.4) but with different optimization 
>> flags: -g, -O0, -O1, -O2 and -O3.
>>
>> I have models in which symphony produces different results across 1 
>> or more of the different symphony executables.
>> I am guessing that this is occurring because of differences in 
>> floating point values due to the different register spills generated 
>> by the different optimization levels but not sure how to confirm this.
>
> How different are the objective values?
>
They are identical.

Pete