Originally posted by: sandeepsinghchauhan

With Cplex 12.2 version i run my code with "Default Settings" it took around 50min with 4 processors and with "cplex.thread==1"  it tooks 1hr20min

means not showing a lot of time difference ? any specific settings i need to do?
 

Hi

I would recommend to try with many different random seeds.

regards

Originally posted by: sandeepsinghchauhan

OPl able to find a global value. So trying with random seed won't effect to get a global solution. So, random seed has no impact on getting global solution? 

Hi,

you wrote

and with "cplex.thread==1"  it tooks 1hr20min

and in order to know whether this is only good luck trying with different random seeds and measuring how long it takes would help.

With CPLEX 12.8

regards

Originally posted by: sandeepsinghchauhan

Without comparing the time. Does random seed has any important role in finding a solutions in opl?

Hi

at

https://www.ibm.com/developerworks/community/forums/html/topic?id=c7aef3fa-f9f4-4b90-b2d6-deceac5f64ef&ps=25

I described different kind of random within OPL

All may play an important role

regards