structure assignment lowering and optimizationsĬommands and Options Used to Submit Benchmark Runs submit= MYMASK=`printf '0x%x' $((1.]
strength reduction/induction variable simplification global instruction scheduling and control speculation The following capabilities for performance gain: Intra-file interprocedural optimizations, which include: Use floating-point calculations and process large data sets.Įnable optimizations for speed. The O3 option is recommended for applications that have loops that heavily The optimizations may slowĭown code in some cases compared to O2 optimizations. Memory access transformations take place. The O3 optimizations may not cause higher performance unless loop and Performs more aggressive data dependency analysis than for O2, which ax or -x (Linux) or with options /Qax or /Qx (Windows), the compiler On IA-32 and Intel EM64T processors, when O3 is used with options Padding the size of certain power-of-two arrays to allow.Loop unrolling, including instruction scheduling.Such as prefetching, scalar replacement, and loop and memoryĪccess transformations. Enable O2 optimizations plus more aggressive optimizations,
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