CCX APPCRASH in Windows

Andrea

I have two similar models (Tet10)
With the second I receive CCX appcrash without any message from solver
First model 357655 nodes is ok...the second 398669 give appcrash

I attach liml of the second to understand if is a RAM problem with spooles (I have 32 gb)


I tried also with old CCX version 2.12

Regards

https://drive.google.com/file/d/1TAmGKL6FiqdOeyYWg9dEk-Rt-EamuKbl/view?usp=sharing

JohnM

I ran on ccx_pardiso_dynamic.exe using 6CPU
machine is 17-4790CPU @3.6GHz
24GB RAM

ran okay in under 2minutes.

https://drive.google.com/file/d/1TgP01C-XBwdcrqXgCE1HR51hhS4WcePh/view?usp=sharing

Andrea

Could you try with spooles?
Thanks

JohnM

I just ran - looks like Spooles is your problem.
CCX simply stopped after 3minutes, no error report,
Solver exited without a solution.

Andrea

Ok!
With ccx_pardiso I have a solution of more than 650k nodes model in 3 minutes

PS After one year I completely remove from my mind ccx_pardiso. Too much work hurts!

Sergio

Since I installed Pardiso never back to Spooles!

JohnM

Same here with PARDISO, I'm hoping someone feels inspired to compile the new PaStix for Windows, I will be happy to test :-)

prop_design

lol at sergio and JohnM. same thing with me as well wrt Spooles. yes, i'm curious about PaStix as well too. i hope it will become easier to have a windows version of it. right now it looks to be a bit of a pain to get it going. Guido is saying he saw a 4x improvement over intel mkl pardiso. that seems hard to believe, but if true, that's one heck of an improvement. the intel mkl pardiso version of ccx was already a big improvement over the spooles and arpack version of ccx.

Sergio

As everybody says, I'm waiting also an inspired hero that compile this new version.

3rav

Please check:
https://calculix.discourse.group/t/calculix-and-pastix-solver-windows-version/130/2

prop_design

interesting. i have been wondering if scotch was better than metis. so scotch is slightly faster it seems. the difference from pardiso was 1.3x. much more reasonable than what the ccx website had said.

3rav

Please remember that this version dosen't have Parsec

Clearline

Is there some thread or webpage where I could learn how to install
ccx_pardiso_dynamic.exe on my machine and use more than 1 core?
Tnaks

prop_design

there is this one; http://mecway.com/forum/discussion/750/propeller-hub/p1

there may be others on here.

Victor

A later one is here.

https://mecway.com/forum/discussion/comment/4255/#Comment_4255

Clearline

Thanks a lot

Sergio

Would be great to have this instruction (install Pardiso and configure multiprocessor) as a stikie post in the forum (very like the welcome post), lot of people ask for them.