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Re: Updated and new benchmarks [message #14787 is a reply to message #14781]

Fri, 14 March 2008 18:45

mirek
Messages: 14291
Registered: November 2005

Ultimate Member

cbpporter wrote on Fri, 14 March 2008 10:52

luzr wrote on Fri, 14 March 2008 13:58

I have adjusted numbers in U++ vs C++ std:: benchmarks

http://www.ultimatepp.org/www$uppweb$vsstd$en-us.html

and also created a new one, this time comparing C++ with D:

http://www.ultimatepp.org/www$uppweb$vsd$en-us.html

Almost 5 times faster than GCC's std:: implementation in supposedly I/O limited benchmark and 70% faster than D... not bad Smile

I guess we are now finaly approaching the "physical limits of silicon" Smile

Mirek

Interesting results. What has been done to obtain an almost double performance since last time?

edit:

luzr wrote on Fri, 14 March 2008 13:56

Inequality comparison of small strings are now heavily optimized, Sorting Vector<String> is now almost twice as fast (if most strings are < 15 characters).

Mirek

I've read this after my post.

Actually, this last optimization was only the last 2-7% improvement. The majority is from new String implementation, using SSO with very fast equality comparison and hash value generation.

Mirek

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[Message index]

		Updated and new benchmarks By: mirek on Fri, 14 March 2008 12:58
		Re: Updated and new benchmarks By: cbpporter on Fri, 14 March 2008 15:52
		Re: Updated and new benchmarks By: mirek on Fri, 14 March 2008 18:45
		Re: Updated and new benchmarks By: zsolt on Fri, 14 March 2008 17:02
		Re: Updated and new benchmarks By: mirek on Fri, 14 March 2008 18:44
		Re: Updated and new benchmarks By: jmansion on Thu, 10 April 2008 15:07
		Re: Updated and new benchmarks By: mirek on Thu, 10 April 2008 17:33
		Re: Updated and new benchmarks By: jmansion on Fri, 18 April 2008 14:30
		Re: Updated and new benchmarks By: mirek on Fri, 18 April 2008 17:15
		Re: Updated and new benchmarks By: tvanriper on Sun, 20 April 2008 16:00

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