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Re: SSE2(/AVX) and alignment issues [message #30977 is a reply to message #30975]

Sun, 30 January 2011 21:48

dolik.rce
Messages: 1796
Registered: August 2008
Location: Czech Republic

Ultimate Contributor

mirek wrote on Sun, 30 January 2011 20:08

I mean something like

DoubleVector x(200), y(200);
double a;

x = a * x + y;

and then, in implementation, use SSE2 or AVX or whatever to speed things up...

At this point, allocation is internal bussines of DoubleVector and alignment does not cause any problems anymore.

Great, that looks cool and makes a lot of sense. I actually use classes like this (no optimzation) just to make some computations code readable. If it would be SSE/AVX optimized, it would definitely give great performance boost to some of my apps.

So I definitelly vote for this option Smile

Honza

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[Message index]

		SSE2(/AVX) and alignment issues By: mirek on Fri, 28 January 2011 10:55
		Re: SSE2(/AVX) and alignment issues By: tojocky on Fri, 28 January 2011 13:48
		Re: SSE2(/AVX) and alignment issues By: cbpporter on Fri, 28 January 2011 13:55
		Re: SSE2(/AVX) and alignment issues By: Didier on Fri, 28 January 2011 18:43
		Re: SSE2(/AVX) and alignment issues By: mirek on Sat, 29 January 2011 00:05
		Re: SSE2(/AVX) and alignment issues By: mirek on Fri, 28 January 2011 23:59
		Re: SSE2(/AVX) and alignment issues By: Novo on Fri, 28 January 2011 21:53
		Re: SSE2(/AVX) and alignment issues By: mirek on Sat, 29 January 2011 00:03
		Re: SSE2(/AVX) and alignment issues By: Novo on Sat, 29 January 2011 02:07
		Re: SSE2(/AVX) and alignment issues By: tojocky on Sat, 29 January 2011 09:23
		Re: SSE2(/AVX) and alignment issues By: mirek on Sat, 29 January 2011 20:29
		Re: SSE2(/AVX) and alignment issues By: tojocky on Sun, 30 January 2011 11:34
		Re: SSE2(/AVX) and alignment issues By: mirek on Sun, 30 January 2011 11:51
		Re: SSE2(/AVX) and alignment issues By: tojocky on Sun, 30 January 2011 16:52
		Re: SSE2(/AVX) and alignment issues By: mirek on Sun, 30 January 2011 18:24
		Re: SSE2(/AVX) and alignment issues By: Novo on Sun, 30 January 2011 19:35
		Re: SSE2(/AVX) and alignment issues By: mirek on Sun, 30 January 2011 20:08
		Re: SSE2(/AVX) and alignment issues By: Novo on Sun, 30 January 2011 20:50
		Re: SSE2(/AVX) and alignment issues By: dolik.rce on Sun, 30 January 2011 21:48
		Re: SSE2(/AVX) and alignment issues By: tojocky on Sun, 30 January 2011 22:03

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