U++ framework
Do not panic. Ask here before giving up.

Home » Developing U++ » U++ Developers corner » SSE2 and SVO optimization (Painter, memcpy....)
Re: BufferPainter::Clear() optimization [message #53979 is a reply to message #53977] Tue, 19 May 2020 08:59 Go to previous messageGo to previous message
Tom1
Messages: 1319
Registered: March 2007
Ultimate Contributor
Hi,

Fill6 fails integrity check due to a small indexing glitch here:
	if(len & 8) {
		Set4(0);
		Set4(8); // << Should be 4
		t += 8;
	}


However, Fill3T is still faster below 64 and mostly on par above that on my i7.

And thanks! I do indeed enjoy the final alignment trick! Smile Very clever!

Best regards,

Tom
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: Should we still care about big-endian CPUs?
Next Topic: TheIDE crash after switching package
Goto Forum:
  


Current Time: Wed May 13 01:31:43 GMT+2 2026

Total time taken to generate the page: 0.01248 seconds