[#BloombergLP-bdlma-HeapBypassAllocator-2constructor-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlma.adoc[bdlma]::xref:BloombergLP/bdlma/HeapBypassAllocator.adoc[HeapBypassAllocator]::HeapBypassAllocator
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:mrdocs:

Create an empty allocator object&period; Optionally specify `replenishHint` as the minimum number of bytes to allocate at a time when the allocator&apos;s memory needs to grow&period; In a multi&hyphen;threaded scenario, the programmer should ensure that `replenishHint` is large enough so that multiple threads will rarely need to replenish at the same time in order to minimize contention&period;

== Synopsis

Declared in `&lt;bdlma&lowbar;heapbypassallocator&period;h&gt;`

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