channel: Make some operations in tick lock-free if 128-bit atomics available#1222
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channel: Make some operations in tick lock-free if 128-bit atomics available#1222
tick lock-free if 128-bit atomics available#1222Conversation
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Instant(struct { i64, u32 }) is 16-byte on 64-bit archtectures so we can makeAtomicCell<Instant>lock-free on some platforms by ensure alignment.(std 128-bit atomics is not stable yet, but atomic-maybe-uninit that used in AtomicCell supports it on stable.)