HITACHI BladeSymphony (3.33GHz/8MB Xeon) C/C++ Compiler flag descriptions -fast : enable -QxP -O3 -Qipo -Qprec-div- -QxP : generate specialized code to run exclusively on Intel Pentium 4 processors with SSE3 extensions -O3 : optimize for maximum speed and enable high-level optimizations -Qipo : enable multi-file IP optimizations (between files) -Qprec-div- : improve speed of FP divides -Qansi_alias : enable use of ANSI aliasing rules in optimizations; user asserts that the program adheres to these rules -Qcxx_features : enable standard C++ features -Qprof_gen : instrument program for profiling -Qprof_use : enable use of profiling information during optimization /F : set the stack reserve amount specified to the linker /MT : use statically-loaded, multithread C runtime