[Verse 1] Every byte counts when you're building for scale Choose your data types, make memory prevail A boolean takes one, an integer four But padding can make it take so much more The compiler aligns to the largest you see Powers of two keep the CPU free [Chorus] Size it right, align it tight Pack your structs to save the night Eight byte boundaries, four byte lanes Memory layout breaks the chains Size it right, align it tight Every bit counts in the fight [Verse 2] When you place a char next to a long long The gaps in between can make storage go wrong Seven bytes of padding just sitting there Wasted space floating in digital air Rearrange your fields from large down to small Watch the memory footprint start to fall [Chorus] Size it right, align it tight Pack your structs to save the night Eight byte boundaries, four byte lanes Memory layout breaks the chains Size it right, align it tight Every bit counts in the fight [Bridge] Pack pragma forces the tightest fit But performance might take a hit Cache line misses when data's split Find the balance, make it stick Measure twice, optimize once Don't let memory make you stunned [Verse 3] Arrays of structures multiply the cost One bad layout and efficiency's lost Profile your usage, know your access patterns Hot paths matter when performance fattens Memory pools and custom allocators Turn your code into accelerators [Chorus] Size it right, align it tight Pack your structs to save the night Eight byte boundaries, four byte lanes Memory layout breaks the chains Size it right, align it tight Every bit counts in the fight [Outro] From embedded systems to the cloud above Variable sizing shows your code some love Align your data, pack it clean Build the leanest memory machine
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