C55X Core Benchmarks
The benchmarks in the table below are for a C55x DSP core running C55x DSPLIB routines.
| Processor core | C55x DSP core | |||
|---|---|---|---|---|
| Hardware platform used | C5535/C5545 eZdsp™ Board | |||
| Devices featuring benchmarked core | ||||
| Function benchmarked | C55x execution time | C55x power consumption in mW | C55x DSPLIB routine | |
| C55x cycles | ||||
| Complex FFT (256 pts, 16- bit) using HW accelerator | 1136 | 11.36 | 20.70 | NONE1 |
| Complex FFT (256 pts, 16- bit) with scaling | 5366 | 53.66 | 23.40 | CFFT |
| Bit reversal | 521 | 5.21 | 23.42 | Bitrev |
| Real FIR filter (even elements): 256 tap, 32 16-bit samples2 | 4247 | 42.47 | 19.40 | FIR2 |
| Real FIR filter (even or odd elements): 256 tap, 32 16-bit samples3 | 8309 | 83.09 | 17.58 | FIR |
| Real convolution: 80 taps, 80 16-bit samples | 3285 | 32.85 | 19.00 | Convol2 |
| Real auto-correlation: 80 taps, 80 values | 3456 | 34.56 | 18.46 | Acor |
| Delayed LMS filter: 32 taps, 64 values, step = 327 | 4474 | 44.74 | 23.21 | DLMS |
| Delayed LMS filter (fast version): 32 taps, 64 values, step = 327 | 4372 | 43.72 | 21.67 | DLMS fast |
| Real vector max value only (not index): 100 values | 77 | 0.77 | 17.94 | maxval |
| Real vector max value and index: 100 values | 322 | 3.22 | 17.09 | maxvec |
All benchmarks measured with code and data in internal memory
1 FFT HW accelerator is used
2 Assumes even number of elements
3 Number of elements can be even or odd
Download the TI DSP Benchmarking application note to learn how to reproduce these benchmarks on TI hardware.
