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Re: What does SSE2 usage enhance? [message #39658 is a reply to message #39622]

Mon, 15 April 2013 18:34

mirek
Messages: 14291
Registered: November 2005

Ultimate Member

crydev wrote on Wed, 10 April 2013 07:31

A question got up to me. What exactly are the pro's of using SSE2 as flag in your build? What kind of things can it speed up if the processor supports it?

SSE2 tells compiler to use SSE2 for FP arithmetics in 32-bit SSE2 x86 builds. (In 64-bit builds, it is alsways on).

Cons: Executable will not work on CPUs without SSE2 - SSE2 is supported since PentiumIV and Athlon 64, basically for more than 10 years now...

Mirek

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[Message index]

		What does SSE2 usage enhance? By: crydev on Wed, 10 April 2013 13:31
		Re: What does SSE2 usage enhance? By: mirek on Mon, 15 April 2013 18:34
		Re: What does SSE2 usage enhance? By: crydev on Wed, 17 April 2013 10:54
		Re: What does SSE2 usage enhance? By: mirek on Wed, 17 April 2013 11:17
		Re: What does SSE2 usage enhance? By: mirek on Wed, 17 April 2013 11:20
		Re: What does SSE2 usage enhance? By: crydev on Wed, 17 April 2013 22:04
		Re: What does SSE2 usage enhance? By: mirek on Thu, 18 April 2013 06:34
		Re: What does SSE2 usage enhance? By: crydev on Thu, 18 April 2013 08:33
		Re: What does SSE2 usage enhance? By: mirek on Thu, 18 April 2013 10:38
		Re: What does SSE2 usage enhance? By: crydev on Thu, 18 April 2013 11:43
		Re: What does SSE2 usage enhance? By: mirek on Thu, 18 April 2013 11:58

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