[#BloombergLP-bsls-PerformanceHint-lowFrequency]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/PerformanceHint.adoc[PerformanceHint]::lowFrequency
:relfileprefix: ../../../
:mrdocs:

This is an empty function that is marked with low execution frequency using pragmas. If this function is placed in a block of code inside a branch, the compiler will optimize the assembly code generated and mark the block as unlikely.

== Synopsis

Declared in `<bsls_performancehint.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
lowFrequency();
----


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