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From "Eric Lemings" <>
Subject RE: stdcxx stringstreams 2x slower than gcc
Date Wed, 07 May 2008 14:30:42 GMT

> -----Original Message-----
> From: Martin Sebor [] On Behalf Of Martin Sebor
> Sent: Tuesday, May 06, 2008 9:43 PM
> To:
> Subject: Re: stdcxx stringstreams 2x slower than gcc
> I think the difference between 8D and 12D is due to the mutex
> in stingstream. Even though there's no locking the mutex still
> is initialized and that's what I suspect accounts for the slow
> runtimes. We need an issue to remind us to fix it as soon as
> binary compatibility permits it.

I conclude from this that the mutex is exposed in the public ABI?
If so, why?  I would think the mutex would not need be a part of
the public ABI.


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