http://nklein.com/2009/06/speedy-matrix-multiplication-in-lisp-again/ software development and consulting Fri, 30 Dec 2011 03:29:52 +0000 hourly 1 http://wordpress.org/?v=3.3 http://nklein.com/2009/06/speedy-matrix-multiplication-in-lisp-again/comment-page-1/#comment-220 leonardo Wed, 02 Sep 2009 23:40:15 +0000 http://nklein.com/?p=629#comment-220 For comparison I have created a simple D (V1) version; it uses a matrix and an array, it's not the faster possible version. You may compile it yourself with LDC (codepad runs it, but it doesn't use any optimization flags): http://codepad.org/SxUHubIn Email me if you have questions. For comparison I have created a simple D (V1) version; it uses a matrix and an array, it’s not the faster possible version.
You may compile it yourself with LDC (codepad runs it, but it doesn’t use any optimization flags):
http://codepad.org/SxUHubIn
Email me if you have questions.

]]> http://nklein.com/2009/06/speedy-matrix-multiplication-in-lisp-again/comment-page-1/#comment-150 pat Tue, 07 Jul 2009 03:08:06 +0000 http://nklein.com/?p=629#comment-150 As malkia noted in another thread, LispWorks has a few additional flags that keep it from wrapping single-precision floats so much. With the addition of <em>(float 0) (safety 0)</em>, the LispWorks time drops to 0.562 seconds with only 516 bytes allocated. As malkia noted in another thread, LispWorks has a few additional flags that keep it from wrapping single-precision floats so much. With the addition of (float 0) (safety 0), the LispWorks time drops to 0.562 seconds with only 516 bytes allocated.

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