M_TRIM_THRESHOLD: the size of the smallest chunk of freed memory that causes the memory management system to shrink the data segment by calling brk(). In fact, as mentioned in the article, freed data ...
When reading large files (>100MB) into memory, read() calls are usually not very space and time efficient, since the whole data is copiied at least once. Furthermore, when using STL containers (like a ...
系统版本：Android 4.1.2 MIUI-4.12.5 内核版本：3.4.0 JavaBuffRead: 文件数量:800, 总大小:2070863, 文件大小:1.00KB ~ 4.00KB, 时间:941.7132ms ...
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