topic Intel thread Checker for Fortran code with OpenMP implement in Intel® Moderncode for Parallel Architectures

Intel thread Checker for Fortran code with OpenMP implement

sxy — Fri, 07 Nov 2008 00:00:04 GMT

Hi,

we have installed intel Thread Checker on our machine and setup the environment to run it.

To compile our Fortran code with thread checker features, I use compiler options for ifort

-c -free -fpp -O0 -g -openmp -tcheck

Link options,

-L/home/sxy/intel/itt/tcheck/bin/32e shared-intel l guide lpthread

There is no problem in compiling phase, but in linking, the error message is

undefined reference to `__kddc_run'

I then tried to compile primes.c which is supplied with intel thread checker. No problem at all.

It looks like `__kddc_run' is included in libassuret40.so.

I understand that intel thread checker supports intel fortan. What is your suggestion with this problem?

Thanks!

Sue

Re: Intel thread Checker for Fortran code with OpenMP implement

Alexey-Kukanov — Fri, 07 Nov 2008 16:32:28 GMT

I would suggest you to add -openmp -tcheck to the link options as well (assuming you use ifort to link). It might be essential because both options assume a certain library to link with, and their combination is even more special. If you specify these options to the compiler front-end, it should ensure the required libraries are passed to the linker.

Re: Intel thread Checker for Fortran code with OpenMP implement

TimP — Sat, 08 Nov 2008 18:44:02 GMT

Quoting - Alexey Kukanov (Intel)

As Alexey hints, you must allow the libraries to be chosen consistent with -tcheck, rather than specifying specific non-checking libraries at link time.