Drop `-mcpu=7450 -mtune=G5` and switch to `-mcpu=G5 -m32` with increases to all alignment to 32 bytes to favour G5 cache lines. This is done and tested.
Drop
-mcpu=7450 -mtune=G5and switch to-mcpu=G5 -m32with increases to all alignment to 32 bytes to favour G5 cache lines. This is done and tested.