Altera Floating-Point Manuale Utente Pagina 130

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1. In the ALTERA_FP_FUNCTIONS parameter editor, click the Basic tab.
2. Under the Performance category, in the Goal option, select Combined.
3. In the Target field, set your desired frequency (MHz).
4. In the Target field, set your desired latency (cycles).
5. Then, click Finish.
ALTERA_FP_FUNCTIONS Resource Utilization and Performance
These tables list the resource utilization and performance information for the
ALTERA_FP_FUNCTIONS IP core. The information was derived using the Quartus II software version
14.1. The frequency target was set to 200 MHz.
Table 18-2: Arithmetic
Family Function Precision Latency f
MAX
ALMs M10K
M20
K
DSP
Blocks
Logic Registers
Primary Secondary
Arria V
(5AGXFB3H
4F40C5)
Abs
Single 0 33 0 0 0 0
Double 0 65 0 0 0 0
Add
Single 9 233.1 360 0 0 507 29
Double 12 251.95 886 0 0 1064 61
AddSubtra
ct
Single 9 249.31 477 0 0 0 651 63
Double 12 252.46 1161 0 0 0 1713 91
Cube Root
Single 9 275.18 132 6 2 132 20
Double 24 185.77 634 17 10 1297 58
Divide
Single 18 249 456 5 4 771 100
Double 35 185.29 1409 39 15 3035 138
Exp base
10
Single 16 212.72 547 3 2 675 18
Double 31 185.77 2194 0 10 2626 56
UG-01058
2014.12.19
ALTERA_FP_FUNCTIONS Resource Utilization and Performance
18-3
ALTERA_FP_FUNCTIONS IP Core
Altera Corporation
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