/usr/include/atlas/atlas_cacheedge.h is in libatlas-dev 3.10.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | #ifndef ATLAS_CACHEEDGE_H
#define ATLAS_CACHEEDGE_H
#define CacheEdge 65536
/* #define CacheEdge 1572864 */
#endif
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