Comment by tapirl

My last comment has imprecision and misunderstanding.

> ... [1024]float64 will be always allocated on one whole page, aka, always 64-byte aligned.

if it is allocated on heap and at the start of allocated memory block.

> For "Array of Structs vs Struct of Arrays", using slices as fields is a good idea. If the purpose is to make fields allocated on their respective memory block, just use pointers instead.

I misunderstood it.

It is like row-based database vs. column-based database. Both ways have their respective advantages and disadvantages.