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Re: String::Cat optimization [message #34614 is a reply to message #34612]

Fri, 02 December 2011 06:39

mirek
Messages: 13984
Registered: November 2005

Ultimate Member

Lance wrote on Thu, 01 December 2011 21:59

Impressive.

Depending on how likely 0 length memory is "copied", it may be desirable to add a branch to handle it.

	case  1: t__[0] = s__[0]; \
        case  0: \
		break; \

Tom's code takes care of 0 length string without memcpy, just as above.

Yes. Thanks.

Mirek

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[Message index]

		String::Cat optimization By: mirek on Wed, 30 November 2011 17:58
		Re: String::Cat optimization By: koldo on Wed, 30 November 2011 18:11
		Re: String::Cat optimization By: dolik.rce on Wed, 30 November 2011 18:17
		Re: String::Cat optimization By: mirek on Wed, 30 November 2011 21:15
		Re: String::Cat optimization By: koldo on Thu, 01 December 2011 06:18
		Re: String::Cat optimization By: mirek on Thu, 01 December 2011 08:04
		Re: String::Cat optimization By: koldo on Thu, 01 December 2011 08:39
		Re: String::Cat optimization By: dolik.rce on Thu, 01 December 2011 10:21
		Re: String::Cat optimization By: mirek on Thu, 01 December 2011 11:37
		Re: String::Cat optimization By: dolik.rce on Thu, 01 December 2011 12:16
		Re: String::Cat optimization By: Tom1 on Thu, 01 December 2011 14:50
		Re: String::Cat optimization By: mirek on Thu, 01 December 2011 17:52
		Re: String::Cat optimization By: mirek on Thu, 01 December 2011 20:41
		Re: String::Cat optimization By: Lance on Fri, 02 December 2011 03:59
		Re: String::Cat optimization By: mirek on Fri, 02 December 2011 06:39
		Re: String::Cat optimization By: Novo on Fri, 02 December 2011 06:02
		Re: String::Cat optimization By: mirek on Fri, 02 December 2011 06:40
		Re: String::Cat optimization By: Novo on Fri, 02 December 2011 18:50
		Re: String::Cat optimization By: mirek on Fri, 02 December 2011 19:06
		Re: String::Cat optimization By: Tom1 on Fri, 02 December 2011 10:22
		Re: String::Cat optimization By: mirek on Fri, 02 December 2011 11:10
		Re: String::Cat optimization By: mirek on Wed, 16 May 2012 15:30
		Re: String::Cat optimization By: unodgs on Thu, 01 December 2011 14:38
		Re: String::Cat optimization By: Tom1 on Thu, 01 December 2011 14:54
		Re: String::Cat optimization By: mirek on Thu, 01 December 2011 17:51

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