alt Hacker NewsBTW, should be noted that the need to issue a cache line lock on x86 does seem to slow down 128-bit CAS quite a bit on x86-64 platforms. On arm64, there's no reason to skimp with a 64-bit CAS.
BTW, should be noted that the need to issue a cache line lock on x86 does seem to slow down 128-bit CAS quite a bit on x86-64 platforms. On arm64, there's no reason to skimp with a 64-bit CAS.