On 08/03/12 02:16 PM, Tom Rondeau wrote: > On Thu, Mar 8, 2012 at 1:22 PM, Marcus D. Leech <mle...@ripnet.com > <mailto:mle...@ripnet.com>> 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 > The information in /proc/cpuinfo appears to be incorrect. That particular CPU, the T2400, actually *does* support SSE3, according to the Intel datasheet, and other googled stuff out there.
-- Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org
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