This is true for high performance server software, too, especially servers that resemble databases. I personally find myself thinking about alignment more than

This is true for high performance server software, too, especially servers that resemble databases. I personally find myself thinking about alignment more than I probably should. For Go, I use http://golang-sizeof.tips http://golang-sizeof.tips for experimenting. I've been able to make schema changes to my structs to enable more functionality without increasing memory usage.