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Function core.simd.prefetch

Emit prefetch instruction.

void prefetch(bool writeFetch, ubyte locality) (
  const(void)* address
);

Parameters

NameDescription
address address to be prefetched
writeFetch true for write fetch, false for read fetch
locality 0..3 (0 meaning least local, 3 meaning most local)

Note

The Intel mappings are:

writeFetchlocalityInstruction
false0prefetchnta
false1prefetch2
false2prefetch1
false3prefetch0
true0prefetchw
true1prefetchw
true2prefetchw
true3prefetchw

Authors

Walter Bright,

License

Boost License 1.0.