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[Discuss-gnuradio] Problem with volk kernel volk_32fc_x2_dot_prod_32fc_n

From: Philip Balister
Subject: [Discuss-gnuradio] Problem with volk kernel volk_32fc_x2_dot_prod_32fc_neon and usrp_flex
Date: Wed, 15 Apr 2015 13:19:55 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0

I've been running the usrp_flex program on an Ettus E310. Using perf
top, I noticed the flowgraph used the
volk_32fc_x2_dot_prod_32fc_a_generic kernel. I figured this was bad and
ran volk_profile to generate the .vol.volk_config file. Running with
this file in place, the flow graph uses volk_32fc_x2_dot_prod_32fc_neon,
but doesn't decode any messages. Running with the generic kernel decodes

Anyone know why this might be?


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