Re: [Boost-users] [interprocess] Shared memory object

Subject: Re: [Boost-users] [interprocess] Shared memory object
From: Patrick Steele (steele.patrick_at_[hidden])
Date: 2014-02-20 11:39:54

Tests at the time were showing the Windows version to operate about twice
as fast. If nothing has changed I guess I will remain with it then. I had
just been hoping for the code to be more platform dependent.

On 20 February 2014 14:44, Ion Gaztañaga <igaztanaga_at_[hidden]> wrote:

> El 20/02/2014 11:42, Patrick Steele escribió:
>
>  Hi,
>> can anyone tell me if there is a performance or other difference between
>> boost::interprocess::shared_memory_object and
>> boost::interprocess::windows_shared_memory? With the version of boost we
>> were using back in 2011 ( boost 1.48 ), we found that
>> windows_shared_memory operated faster than shared_memory_object when
>> transporting around 10MB of data. Is this still the case?
>> Thanks,
>>
>
> Nothing has changed AFAIK. shared_memory_object is a memory mapped file
> whereas windows_shared_memory is backed by the pagefile. I don't know why
> Windows should make one faster than the other, though.
>
> Best,
>
> Ion
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