Re: [boost] [forward_declare] Interest Inquiry toward Faster Compile Times

Subject: Re: [boost] [forward_declare] Interest Inquiry toward Faster Compile Times
From: Marc Glisse (marc.glisse_at_[hidden])
Date: 2012-08-02 01:09:04

On Thu, 2 Aug 2012, Daniel Larimer wrote:

> I am sure that some types will require proper alignment.  Options 
> include always allocating arrays in chunks of 8 bytes by switching to an 
> int64 array and eating the 'overhead'.  Anything require alignment 
> greater than 8 bytes?

Note that int64 could have an alignment of 4 while double would have one 
of 8, or other strange combinations. Also, vector (as in SSE, not 
std::vector) elements may want bigger alignment (and malloc has a bug on 
several platforms that it returns insufficiently aligned memory for 
those).

-- 
Marc Glisse