Intel® Fortran Compiler
Build applications that can scale for the future with optimized code designed for Intel® Xeon® and compatible processors.
29486 Discussions

OMP Compiler Flag

mattsdad
Beginner
‎10-01-2007 08:57 AM
783 Views
With no OMP directives in the code, I get different results from load modules generated with "Process OpenMP Directives" set to "Generate Parallel Code" vs. "Disable". Why?
0 Kudos

Link Copied

1 Reply
Steven_L_Intel1
Employee
‎10-01-2007 09:13 AM
783 Views
Because /Qopenmp implies /automatic and if you have uninitialized variables or assume SAVE semntics you'll see a difference.
0 Kudos
Copy link
Reply

Community support is provided Monday to Friday. Other contact methods are available here.

Intel does not verify all solutions, including but not limited to any file transfers that may appear in this community. Accordingly, Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

For more complete information about compiler optimizations, see our Optimization Notice.