| Option |
Language |
Meaning |
| -fast |
C C++ F95
|
This option is a macro that you can effectively use as a starting
point for tuning an executable for maximum run-time performance.
|
| -mt |
C C++ F95
|
Indicates compilation and linking for multithreaded code. |
| -xarch |
C C++ F95
|
Specifies the target architecture instruction set (ISA). |
| -xautopar |
C C++ F95
|
Turns on automatic parallelization for multiple processors. |
| -xexplicitpar |
C F95
|
Parallelizes the loops that are specified. |
| -xhwcprof |
C
|
Enables compiler support for hardware counter-based profiling. |
| -xipo |
C C++ F95
|
Performs interprocedural optimizations. |
| -xlinkopt |
C C++ F95
|
Performs link-time optimizations on relocatable object files. |
| -xmemalign |
C C++ F95
|
Specifies the maximum assumed memory alignment and the behavior of
misaligned data accesses.
|
| -xopenmp |
C C++ F95
|
Enable explicit parallelization with OpenMP directives. |
| -xpagesize |
C C++ F95
|
Set the preferred page size for the stack and the heap. |
| -xpagesize_heap |
C C++ F95
|
Set the preferred page size for the heap. |
| -xpagesize_stack |
C C++ F95
|
Set the preferred page size for the stack. |
| -xparallel |
C F95
|
Parallelizes loops both automatically (by the compiler) and
explicitly (as specified by the programmer).
|
| -xpg |
C C++ F95
|
Compiles for profiling with the gprof profiler. |
| -xprofile |
C C++ F95
|
Collects or optimizes with runtime profiling data. |
| -xvector |
C C++ F95
|
Enables automatic generation of calls to the vector library and/or
the generation of the SIMD (Single Instruction Multiple Data) instructions.
|
