August 27, 2008 Re: [Issue 2313] Poor array ~= append performance | ||||
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Posted in reply to d-bugmail | d-bugmail@puremagic.com wrote:
> http://d.puremagic.com/issues/show_bug.cgi?id=2313
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> ------- Comment #8 from lio+bugzilla@lunesu.com 2008-08-27 06:39 -------
> Created an attachment (id=273)
> --> (http://d.puremagic.com/issues/attachment.cgi?id=273&action=view)
> assembly for _d_arrayappendcT using the original byte[] copy
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There you go. Uses rep movsb instead of rep movsd. Immediately 4X slower than it could be.
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