Xiaowan Dong

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Modern operating systems avoid duplication of code and data when they are mapped by multiple processes by sharing physical memory through mechanisms like copy-on-write. Nonetheless, a separate copy of the virtual address translation structures, such as page tables, are still maintained for each process, even if they are identical. This duplication can lead(More)
—We analyze the instruction access patterns of Android applications. Although Android applications are ordinarily written in Java, we find that native-code shared libraries play a large role in their instruction footprint. Specifically, averaging over a wide range of applications, we find that 60% of the instruction pages accessed belong to native-code(More)
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