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Posted to dev@lucy.apache.org by Peter Karman <pe...@peknet.com> on 2010/02/01 16:06:55 UTC

Re: [Lucy] Re: SortCache on a 32-bit OS

Nathan Kurz wrote on 01/30/2010 05:22 PM:

>> I should specify that the extra calls to mmap() and munmap() occur on 32-bit
>> systems only.  For 64-bit systems, we mmap() the whole compound file the
>> instant it gets opened, and InStream_Buf() is just a thin wrapper around some
>> pointer math.
> 
> I had not realized that.  This softens my position considerably.  I'm
> all for making increasing legacy performance so long as it doesn't
> complicate the mainline architecture.
> 

++

This is an interesting thread, though I have nothing interesting to add. :)

-- 
Peter Karman  .  http://peknet.com/  .  peter@peknet.com