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How much MIPS do i need?

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Antonio_Magma

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how much mips need

My project involves implementing an OFDM transciever using a DSP.

I have currently narrowed down my list to 2 DSPs:
TMS320C6416 DSK (Fixed-point) 8000million MIPS
TMS320C6713 DSK (Floating-point) 1800million MIPS & 1350 MFLOPS

Question:
How do i determine how much processing power my application needs?
 

Evaluate your algrithm, usually by comparison to other algrithm that has been implemented before. If you don't have any reference, ask for support or protyping you algrithm.
 

you should count how many operations (multiply and add) you need to estimate one sample and then
multiply it by total sample per seconds. So you
get MIPS
 

you should count how many operations (multiply and add) you need to estimate one sample and then
multiply it by total sample per seconds. So you
get MIPS
Click to expand...

Ok, so in my case i'll be doing maybe a 64 FFT..how do i no how much multiply or additions it involves? Can u give me an example of the calculation? thx...
 

The Best way is prototyping in CCS (Code Composer Studio).
 

emad1347 said:
The Best way is prototyping in CCS (Code Composer Studio).
Click to expand...

if i have to prototype in CCS, that means i would already have purchased the processor right, since only then i would have CCS. If so, it wouldnt matter how much MIPS i need right? since i've already bought the dsp...
 

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