Thanks Tom and Nick, it works now, by just calling the abstract method name.

On Tue, Oct 23, 2012 at 9:21 AM, Tom Rondeau <t...@trondeau.com> wrote:

> On Mon, Oct 22, 2012 at 6:53 PM, Alex Zhang <cingular.a...@gmail.com>
> wrote:
> > Hello,
> >
> > I am trying to use the volk_32fc_x2_multiply_conjugate_32fc_a_sse3() in
> my
> > signal processing code. However, when I compile my code, it was told that
> > Error "SSE3 instruction set not enabled" and the intrinsics within this
> VOLK
> > method are not recognized at all.
> > It was told that the -msse3 option is needed in gcc/g++ compilation to
> > enable the support on sse3. But I don't know where I can specify this
> > option. I did not find related content in the CMakelist of other blocks
> who
> > support sse, like some filters.
> >
> > Also, my CPU is Core I7-2600, which is suppose to support  SSE3.
> >
> > Thanks,
> >
> > --
> >
> > Alex,
> > Dreams can come true – just believe.
>
>
> Alex,
>
> VOLK is not intended for you to explicitly call a kernel of a
> particular type. You want to call the abstract verson
> (volk_32fc_x2_multiply_conjugate_32fc_a) and let the VOLK runtime
> decide what the best available proto-kernel is (this is determined
> from your volk_config file after you run volk_profile). That will make
> sure that you are using a proto-kernel that you properly compiled and
> that can run on your processor.
>
> To check more into why SSE3 is not available on your machine, take a
> look at the output of cmake to see what it tells you. You can look to
> see what the value of "have_msse3" is in the CMakeCache.txt file.
>
> During make, you can run 'make VERBOSE=1' to get the full compile
> line, too, where you can see what flags are actually being used by GCC
> when compiling.
>
> Tom
>



-- 

Alex,
*Dreams can come true – just believe.*
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