floating_point_performance
Floating Point Operator Performance
Altera vs. Flopoco in synthesis of testbenches: altera_vs_flopoco_performance.pdf
Initial testing of different operators:
(Ratio vs Altera in brackets)
| Fmax (MHz) | Area (ALMs) | DSP | Mem Bits | Pipeline Depth | |
| Altera Adder | 304.97 | 437 | 0 | 0 | 14 |
| Flopoco Adder | 246.73 (0.809) | 317 (0.725) | 0 | 0 | Target Freq: 450 MHz |
| VFloat Adder | 141.26 (0.463) | 319 (0.730) | 0 | 0 | 4 |
| Altera Multiplier | 289.86 | 212 | 1 | 0 | 11 |
| Flopoco Multiplier | 292.83 (250 restricted) (0.862) | 177 (0.835) | 1 | 0 | Target Freq: 680 MHz |
| VFloat Multiplier | 117.15 (0.404) | 258 (1.217) | 1 | 0 | 48 |
| Altera Divider | 191.20 | 1,995 | 0 | 905 | 33 |
| Flopoco Divider | 157.41 (0.823) | 1,106 (0.554) | 0 | 120 (0.133) | Target Freq: 700 MHz |
floating_point_performance.txt · Last modified: 2015/08/30 12:23 by jenny.deng
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