[Verse 1] Sarah's building microcontrollers, memory tight as twisted wire Every byte counts precious, cache misses fuel the fire Arrays pack sequential, dense like sardines in a can But linked lists scatter fragments across the memory span [Chorus] Choose your weapon wisely, time and space collide Arrays for blazing access, lists when size can slide Hash tables burn through lookups, trees keep order clean Pick your poison perfectly for the constrained machine [Verse 2] Traversing costs explosion when pointers jump around Cache lines stay empty while the processor waits profound But insertion stays constant, no shifting elements down Arrays force expensive moves when the collection grows its crown [Chorus] Choose your weapon wisely, time and space collide Arrays for blazing access, lists when size can slide Hash tables burn through lookups, trees keep order clean Pick your poison perfectly for the constrained machine [Bridge] Custom structures shine bright when standard won't suffice Bit-packed fields squeeze tighter, memory usage sliced Stack-allocated arrays when bounds are crystal known Heap fragments spell disaster in embedded zones [Verse 3] Profiling reveals secrets, hotspots glow like neon signs Big-O hides the constants that cross performance lines Real-world beats theory when cache misses multiply Measure twice, optimize once, let benchmarks be your guide [Chorus] Choose your weapon wisely, time and space collide Arrays for blazing access, lists when size can slide Hash tables burn through lookups, trees keep order clean Pick your poison perfectly for the constrained machine [Outro] Memory maps tell stories, bandwidth shapes the game Data structure selection makes performance sing or strain
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