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Cosmopolitan now supports mremap(), which is only supported on Linux and NetBSD. First, it allows memory mappings to be relocated without copying them; this can dramatically speed up data structures like std::vector if the array size grows larger than 256kb. The mremap() system call is also 10x faster than munmap() when shrinking large memory mappings. There's now two functions, getpagesize() and getgransize() which help to write portable code that uses mmap(MAP_FIXED). Alternative sysconf() may be called with our new _SC_GRANSIZE. The madvise() system call now has a better wrapper with improved documentation. |
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| .. | ||
| lib | ||
| asc2bin.c | ||
| blcdump.c | ||
| bru2bin.c | ||
| BUILD.mk | ||
| lam2bin.c | ||
| lambda.c | ||
| tromp.c | ||