HITACHI BladeSymphony (1.66GHz/9MB Itanium2) Fortran Compiler flag descriptions -fast : enable -O3 -ipo -static -O3 : enable optimizations plus more aggressive optimizations that may not improve performance for all programs -ipo : enable multi-file IP optimizations -static : prevents linking with shared libraries -IPF_fp_relaxed : enable use of faster but slightly less accurate code sequences for math functions -prof_gen : instrument program for profiling -prof_use : enable use of profiling information during optimization -FI : specifies source files are in fixed format