[#BloombergLP-bsls-PerformanceHint-prefetchForWriting] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/PerformanceHint.adoc[PerformanceHint]::prefetchForWriting :relfileprefix: ../../../ :mrdocs: Prefetch one cache line worth of data at the specified `address` for writing if the compiler built‐in is available (see to the component level document for limitations). Otherwise this method has no effect. == Synopsis Declared in `<bsls_performancehint.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- static void prefetchForWriting(void* address); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#