On Wed, 2015-09-16 at 00:32 -0400, Brian Padalino wrote: > On a side note, this is extremely impressive and I wish I knew about > it sooner: > > https://software.intel.com/sites/landingpage/IntrinsicsGuide/ > > There's a few different log10_ps (packed single) functions in there. >
That's really interesting Thanks. I recently purchased two MICs for learning but still awaiting parts for my server. I see KNC listed. > Brian > > On Wed, Sep 16, 2015 at 12:24 AM, Dennis Glatting <gnura...@pki2.com> > wrote: > > On Tue, 2015-09-15 at 23:35 -0400, Marcus D. Leech wrote: > > > On 09/15/2015 11:15 PM, Dennis Glatting wrote: > > > > With the VOLK library, is there a way to compute the log10() of > > > > each > > > > 32f in a buffer? > > > > > > > > That is: > > > > > > > > for( int i = 0; i < num; ++i ) > > > > buf[i] = std::log10( buf[i]); > > > > > > > > I only see log2() in the library but don't know if there is an > > > > easy > > > > way > > > > to compute log10(). > > > > > > > > > > > > Thanks. > > > Define "fast". > > > > > > > Faster than the code fragment above. > > > > I see log2(), pow(), sin(), and other kernels in the library and > > /assumed/ there must be some way of log10() if only through a > > combination of kernel calls. > > > > > > > Ordinarily, one does a log10 to convert into engineering units at > > > the > > > back of, for example, a power-measurement chain. > > > > > > There's usually no reason to do that in the middle of a flow > > > -graph, > > > where things can stay in linear units. > > > > > > > 1) Working with VOLK to learn VOLK. > > 2) Having fun with vectors. > > 3) Generating power data points for plotting across a selected > > set of samples. > > > > > > > > > > > > > _______________________________________________ > > > 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 _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio