On Thu, Mar 8, 2012 at 1:22 PM, Marcus D. Leech <[email protected]> wrote:

> On 08/03/12 01:11 PM, Nick Foster wrote:
> > Rafiq,
> >
> > What CPU are you using for this test? Specifically, please send the
> > output of "cat /proc/cpuinfo".
> >
> > --n
> >
> To add some more data, I tested the attached flow-graph on the only
> remaining 32-bit machine in my herd.
>  It provoked:
>
> #0  0x0090d6b3 in volk_32fc_x2_multiply_32fc_a_sse3 ()
>   from /usr/local/lib/libvolk.so.0.0.0
> #1  0x008de0d5 in get_volk_32fc_x2_multiply_32fc_a ()
>   from /usr/local/lib/libvolk.so.0.0.0
> #2  0x00a8f517 in gri_fft_filter_ccc_generic::filter(int,
> std::complex<float> const*, std::complex<float>*) ()
>   from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0
> #3  0x00a967fb in gr_fft_filter_ccc::work(int, std::vector<void const*,
> std::allocator<void const*> >&, std::vector<void*, std::allocator<void*>
> >&) ()
>   from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0
> #4  0x00a65eb7 in gr_sync_decimator::general_work(int, std::vector<int,
> std::allocator<int> >&, std::vector<void const*, std::allocator<void
> const*> >&, std::vector<void*, std::allocator<void*> >&) ()
>   from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0
> #5  0x00a4d185 in gr_block_executor::run_one_iteration() ()
>   from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0
> #6  0x00a688e3 in
> gr_tpb_thread_body::gr_tpb_thread_body(boost::shared_ptr<gr_block>, int)
> () from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0
> #7  0x00a62bfc in
>
> boost::detail::function::void_function_obj_invoker0<gruel::thread_body_wrapper<tpb_container>,
> void>::invoke(boost::detail::function::function_buffer&) () from
> /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0
> #8  0x001b881c in boost::function0<void>::operator()() const ()
>   from /usr/local/lib/libgruel-3.5.3git.so.0.0.0
>
>
> This is on a Fedora-12 machine, here's /proc/cpuinfo
>
> processor    : 0
> vendor_id    : GenuineIntel
> cpu family    : 6
> model        : 14
> model name    : Genuine Intel(R) CPU           T2400  @ 1.83GHz
> stepping    : 8
> cpu MHz        : 1000.000
> cache size    : 2048 KB
> physical id    : 0
> siblings    : 2
> core id        : 0
> cpu cores    : 2
> apicid        : 0
> initial apicid    : 0
> fdiv_bug    : no
> hlt_bug        : no
> f00f_bug    : no
> coma_bug    : no
> fpu        : yes
> fpu_exception    : yes
> cpuid level    : 10
> wp        : yes
> flags        : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov
> clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc
> arch_perfmon bts aperfmperf pni monitor vmx est tm2 xtpr pdcm
> bogomips    : 3657.49
> clflush size    : 64
> cache_alignment    : 64
> address sizes    : 32 bits physical, 32 bits virtual
> power management:
>
> processor    : 1
> vendor_id    : GenuineIntel
> cpu family    : 6
> model        : 14
> model name    : Genuine Intel(R) CPU           T2400  @ 1.83GHz
> stepping    : 8
> cpu MHz        : 1000.000
> cache size    : 2048 KB
> physical id    : 0
> siblings    : 2
> core id        : 1
> cpu cores    : 2
> apicid        : 1
> initial apicid    : 1
> fdiv_bug    : no
> hlt_bug        : no
> f00f_bug    : no
> coma_bug    : no
> fpu        : yes
> fpu_exception    : yes
> cpuid level    : 10
> wp        : yes
> flags        : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov
> clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc
> arch_perfmon bts aperfmperf pni monitor vmx est tm2 xtpr pdcm
> bogomips    : 3657.54
> clflush size    : 64
> cache_alignment    : 64
> address sizes    : 32 bits physical, 32 bits virtual
> power management:



Well, there's your problem right there!

 flags        : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov
clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc
arch_perfmon bts aperfmperf pni monitor vmx est tm2 xtpr pdcm

Your CPU doesn't seem to support SSE3, which begs the question, why is it
allowed to call the SSE3 proto-kernel?

Check your ~/.volk/volk_config to see what it says on that kernel (that is,
if you have run volk_profile; if you haven't, run it first and see what
happens).

Tom
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