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Re: [Discuss-gnuradio] Volk branch on github

From: Josh Blum
Subject: Re: [Discuss-gnuradio] Volk branch on github
Date: Thu, 16 Feb 2012 11:08:39 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111229 Thunderbird/9.0

> Also, you never want to work on the smallest amount of memory possible.
> This is covered in my discussion on my blog. Making arbitrarily small calls
> to work functions causes much more overhead than just running the unaligned
> version of a Volk call. I found this out pretty quickly when I started
> looking into things. Better to process a large chunk to get back into
> alignment than try to handle calls to small amounts of data.

Perhaps this is because you have a processor that doesn't penalize you
for unaligned loads/stores.


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