They compare this situation to the time when developers had to seemingly write operating system level code to handle "multi-tasking" or "virtual memory management".
他们将这种情形比作开发者似乎不得不要书写操作系统级别代码来处理“多任务”或“虚拟内存管理”的时代。
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It also arbitrates power management calls in a multi-tasking environment and identifies power-saving opportunities not apparent to applications.