Wednesday, November 18, 2015

DSP architecture today


The goal of this section is to put in one place any architecture bits and pieces which are interesting for this blog. 

The generic design methods                                                                                                  
  • Vector processing 
  • SIMD, swp (sub-word parallelism), multi lanes, packed arithmetic... 
    • where to stop? 256? 1024?
    • why stop at 1K? Matlab row vectors, cln vectors, arrays are a magnitude higher 
    • Minimum parallelism= 64K 
      • simd of 16  x 16 clusters x 16 cores  x 16 modules 
    • Golden ratio (x4, x16, x64, x256) 

On My watch                                                                                                                          

  • "ASPI world"
    • Andre Duhon
    • FCCM
    • Xilinx at Large
  • GPU
    • Matlab and GPU
    • Coda
    • Deep packet searching
  • Hot Chips
  • TenSilica cores and domain specific platforms, 
    • Cadence

They still Matters                                                                                                                  

  • ARM Cortex A - family and evolution
    • how far will they go with speculation? 
    • repeating the same mistakes in a new way?
  • Intel ecosystem
    • Altera integration
  • TI Platforms evolution 
    • replacing DSP core with hardwired COP

Lessons Learnt                                                                                                                         

    • NPU

    ---------------                                                                                                                               


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