C6000 Multicore DSP

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C6000 Multicore DSP

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DSPLIB
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  • Forum Post: Re: CALCULATION TAKING TOO MUCH TIME??

    Rahul Prabhu
    Hi AC, Optimized code for matrix multiplication can be obtained in the DSPLIB for C64p that can be downloaded here http://focus.ti.com/docs/toolsw/folders/print/sprc265.html You will be able to perform a matrix multiplication of a 20*20 matrix with a 20*1 matrix in 156 cycles. Regards, ...
    on Oct 14, 2010

  • Forum Post: Re: Problem regarding fft32x32.asm program

    Rahul Prabhu
    Brajesh, Can you let us know what code you are refering to here? Is this code from the C64x+ DSPLIB ? I tried to replicate the problem that you are seeing but don`t see any issue with that function. Try this code with your function and let me know if you see the same output. Here is the code ...
    on Oct 25, 2010

  • Forum Post: Re: Problem regarding fft32x32.asm program

    Rahul Prabhu
    Brajesh, If you are using the C6474 platform, I will advice you to use the 32 bit FFT function from the C64x+ DSPLIB. This library also contains a source driver project that you can use as sample code. In the meantime I will take a look at the code that you obtained from the above link and will report...
    on Oct 26, 2010

  • Forum Post: Re: CALCULATION TAKING TOO MUCH TIME??

    Rahul Prabhu
    AC, Have you considered using Q formats with your floating point matrices. With Q format, you can convert your floating point value to appropriate fixed point value and after the matrix multiplication convert it back to floating point format. To convert a floating point number to Qm.n format multiply...
    on Nov 1, 2010

  • Forum Post: Re: Mixed Radix FFT

    Anadi
    Hi Travis, Any updates on this? Br Anadi
    on Jul 19, 2011

  • Forum Post: Re: Mixed Radix FFT

    Anadi
    Hi Travis, Thanks for the updates. I was looking for a solution suitable for the 64x+ core. Migration to the c66x core is planned for my design, but not immediately. I guess with the keystone devices such as 6670, this may be required only for some SW special cases, since the FFTC HW accelerator...
    on Jul 20, 2011

  • Forum Post: Convolution on EVM6472

    ilia turets
    how do I preform a convolution on the EVM6472? I tried to implement the DSPLIB but with no success.
    on Sep 5, 2011

  • Forum Post: Re: cycle count _divi(int, int) on a TMS320C6472

    khaled saab
    Hi, This is the main code: #include <time.h> #include <stdint.h> //definitions like uint32_t, ... #include <stdlib.h> #include <std.h> #include <log.h> //LOG_printf # include "IQArithmetic.h" //------------------------------------------------------------...
    on Mar 20, 2012

  • Forum Post: cycle count _divi(int, int) on a TMS320C6472

    khaled saab
    Hi, I'm using TMS320C6472,and I'm trying to obtain the cycle count the integer division _divi(int, int). I checked different documents but non discuss the cycle counts. I tried to obtain the cycle count though a benchmark, but the number of cycle obtained seems to be too much (76cycles...
    on Mar 5, 2012

  • Forum Post: 256K - points FFT on c64x+ using DSPLIB

    Adem Kazoglu
    Hi, I'm trying to edit DSP_fft32x32_cn.c function of c64x+'s DSPLIB in order to perform 256K-points FFT . Function's decription and also spruec5.pdf say that, N has to be in 16<= N <= 32768 range while I need 256K points. Are there other restrictions except generating the "twiddle...
    on Jan 29, 2013

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