[#BENCHMARK_MULTI_IMPL]
= BENCHMARK&lowbar;MULTI&lowbar;IMPL
:mrdocs:

Introduces a benchmark function with support for returning the actual number of iterations&period; Used internally, see BENCHMARK&lowbar;MULTI and friends below&period;

== Synopsis

Declared in `&lt;folly&sol;Benchmark&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define BENCHMARK&lowbar;MULTI&lowbar;IMPL(funName, stringName, paramType, paramName)

----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *funName*
| The generated benchmark function&apos;s identifier&period;
| *stringName*
| The benchmark&apos;s display name&period;
| *paramType*
| The type of the benchmark&apos;s iteration parameter&period;
| *paramName*
| The name of the benchmark&apos;s iteration parameter&period;
|===


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