Accuracy Considerations

• Try moving forward

-O2 -qipa

-qhot -qarch=pwr2 -qtune=pwr2

-qcache=size=128k, line=256

-qfloat=hsflt

-Pv -Wp,-ew9

• Try backing off

-O3 -qarch=pwr2 -qtune=pwr2

-qstrict

-qfloat=hssngl

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