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Optimization techniques • Size does matter – To compile arrays of structures, the compiler performs a multiplication by the size to create the array indexing • if the structure size is a power of 2, the multiplication is replaced by a shift operation (much faster) • you can round array sizes aligned to a power of 2 even if you do not use all of it – Example int softBodyNodes [38]; int softBodyNodes [64]; // faster allocation Game Physics 41
