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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. -Josh
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