3 ms·
iOS uses memory compression but not swap. iOS devices actually have special CPU instructions to speed up compression of up to page size increments specifically
by Sirened 4y ago
iOS uses memory compression but not swap. iOS devices actually have special CPU instructions to speed up compression of up to page size increments specifically to aid in this model [1]
[1] https://github.com/apple-oss-distributions/xnu/blob/bb611c8fecc755a0d8e56e2fa51513527c5b7a0e/osfmk/arm64/WKdmCompress_16k.s https://github.com/apple-oss-distributions/xnu/blob/bb611c8f...