Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-14 Thread Johnathan Corgan
On Wed, Feb 13, 2013 at 12:49 PM, Nick Foster n...@ettus.com wrote: The segfault is a different story. Like Josh suggests a backtrace would be helpful to see exactly what went wrong. The generic implementation of the rotator function normally takes 5-6 seconds on a typical machine, so the

Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-13 Thread Tommy Tracy II
Thank you. I think this may be the problem: # grep Available architectures cmake.out -- Available architectures: generic;32;3dnow;abm;popcount;mmx;sse;sse2;orc;norc;sse3;ssse3;sse4_a;sse4_1;sse4_2;avx # grep Available machines cmake.out -- Available machines:

Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-13 Thread Johnathan Corgan
On Wed, Feb 13, 2013 at 8:25 AM, Tommy Tracy II tj...@virginia.edu wrote: # grep Available architectures cmake.out -- Available architectures: generic;32;3dnow;abm;popcount;mmx;sse;sse2;orc;norc;sse3;ssse3;sse4_a;sse4_1;sse4_2;avx # grep Available machines cmake.out -- Available machines:

Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-13 Thread Josh Blum
On 02/13/2013 01:44 PM, Johnathan Corgan wrote: On Wed, Feb 13, 2013 at 8:25 AM, Tommy Tracy II tj...@virginia.edu wrote: # grep Available architectures cmake.out -- Available architectures: generic;32;3dnow;abm;popcount;mmx;sse;sse2;orc;norc;sse3;ssse3;sse4_a;sse4_1;sse4_2;avx # grep

Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-13 Thread Tommy Tracy II
The problem is that during the build, AVX support was enabled, even though my processor doesn't support it. -- Python checking for Cheetah = 2.0.0 -- Python checking for Cheetah = 2.0.0 - found -- Compiler name: GNU -- x86* CPU detected -- CPU width is 32 bits, Overruled arch 64 -- Available

Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-13 Thread Tommy Tracy II
Nick, thank you. I was wondering why AVX showed up in the list if the processor didn't support it. Does anyone have any ideas why rotatorpupper would take so long? Sincerely, Tommy James Tracy II PhD Student High Performance Low Power Lab

Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-13 Thread Josh Blum
On 02/13/2013 01:59 PM, Tommy Tracy II wrote: The problem is that during the build, AVX support was enabled, even though my processor doesn't support it. Thats intended because AVX is supported by the compiler. You should notice however, that VOLK detected at runtime that AVX was not

Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-13 Thread Tommy Tracy II
What I got from GDB: Is there any way to get more information using backtrace? Program received signal SIGSEGV, Segmentation fault. 0xf7f77098 in volk_32fc_32f_multiply_32fc_a_generic () from /usr/lib/libvolk.so.0.0.0 … Program terminated with signal SIGSEGV, Segmentation fault. The program no

Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-13 Thread Nick Foster
On 02/13/2013 12:17 PM, Tommy Tracy II wrote: Nick, thank you. I was wondering why AVX showed up in the list if the processor didn't support it. Does anyone have any ideas why rotatorpupper would take so long? I don't, but I'm not that worried about it as the generic implementation is only

Re: [Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-12 Thread Johnathan Corgan
On Mon, Feb 11, 2013 at 1:19 PM, Tommy Tracy II tj...@virginia.edu wrote: I tried running volk_profile in Gentoo and got the following: # volk_profile Using Volk machine: sse4_2_32_orc RUN_VOLK_TESTS: volk_32fc_s32fc_rotatorpuppet_32fc_a *generic completed in 361.04s* sse4_1 completed in

[Discuss-gnuradio] Issues with running volk_profile in GENTOO

2013-02-11 Thread Tommy Tracy II
I tried running volk_profile in Gentoo and got the following: # volk_profile Using Volk machine: sse4_2_32_orc RUN_VOLK_TESTS: volk_32fc_s32fc_rotatorpuppet_32fc_a generic completed in 361.04s sse4_1 completed in 0.49s Best arch: sse4_1 RUN_VOLK_TESTS: volk_16ic_s32f_deinterleave_real_32f_a