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Re: What does SSE2 usage enhance? [message #39682 is a reply to message #39658]

Wed, 17 April 2013 10:54

crydev
Messages: 151
Registered: October 2012
Location: Netherlands

Experienced Member

Thanks Mirek for your reply. Does that mean a SSE enabled version of functions as memcpy() can be used in U++? Or can I assume that by enabling SSE2 in the compiler flags automatically enables a SSE2 enabled version of memcpy? I think the Windows stock function is fairly slow.

p.s. My situation is copying blocks of 1~8 bytes very fast and very frequently in a loop. I have a chunk of memory which I loop though. Say my loop index currently is in the middle of my memory chunk, than it copies 4 bytes from the current index.

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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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