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
University of Virginia
On Feb 13, 2013, at 2:57 PM, Nick Foster <n...@ettus.com> wrote:
> On 02/13/2013 08:25 AM, Tommy Tracy II wrote:
>> 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:
>> generic_orc;sse2_32_mmx_orc;sse3_32_orc;ssse3_32_orc;sse4_a_32_orc;sse4_1_32_orc;sse4_2_32_orc;avx_32_mmx_orc
>>
>> /proc/cpuinfo flags:
>> flags
>> : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
>> pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp
>> lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc
>> aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16
>> xtpr pdcm sse4_1 sse4_2 popcnt aes lahf_lm arat dts tpr_shadow vnmi
>> flexpriority ept void
>>
>>
>> It looks like my processor does not support avx, but Gnuradio assumes it
>> does. Is there a way to disable avx?
>
> No, your processor doesn't support AVX. Your compiler, however, does. Volk
> looks once at compile time to build all architectures your compiler supports,
> and then looks again at runtime to enable only instructions your CPU can
> support. If you look at volk_profile's output again, you'll see that it's not
> trying to use a volk_machine with AVX support:
>
> Using Volk machine: sse4_2_32_orc
>
> I haven't tried using volk_profile on a 32-bit OS but I suspect that has
> something to do with your incredibly long rotatorpuppet test. =)
>
> --n
>
>
>>
>> Sincerely,
>> Tommy James Tracy II
>>
>> PhD Student
>> High Performance Low Power Lab
>> University of Virginia
>>
>> On Feb 12, 2013, at 10:27 AM, Johnathan Corgan <johnat...@corganlabs.com>
>> wrote:
>>
>>> Available architectures:
>>> generic;64;3dnow;abm;popcount;mmx;sse;sse2;orc;norc;sse3;ssse3;sse4_a;sse4_1;sse4_2;avx
>>
>>
>>
>> _______________________________________________
>> Discuss-gnuradio mailing list
>> Discuss-gnuradio@gnu.org
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
_______________________________________________
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
