Altera Floating-Point Manuale Utente Pagina 50

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Table 5-2: ALTFP_ADD_SUB Resource Utilization and Performance for the Stratix Series of Devices
Device Family Precision Optimiza‐
tion
Output
latency
Adaptive
Look-Up
Tables
(ALUTs)
Dedicated
Logic
Registers
(DLRs)
Adaptive
Logic
Modules
(ALMs)
f
MAX
(MHz)
Stratix IV
single
speed
7 594 376 385 228
14 674 686 498 495
area
7 576 345 375 227
14 596 603 421 484
double
speed
7 1,198 687 824 187
14 997 1,607 1,080 398
area
7 1,106 630 762 189
14 904 1,518 1,013 265
ALTFP_ADD_SUB Design Example: Addition of Double-Precision Format
Numbers
This design example uses the ALTFP_ADD_SUB IP core to perform the addition of double-precision
format numbers using the parameter editor in the Quartus II software.
Related Information
Floating-Point IP Cores Design Example Files on page 1-16
Floating-Point IP Cores Design Examples
Provides the design example files for the Floating-Point IP cores
ModelSim-Altera Software Support
Provides information about installation, usage, and troubleshooting
ALTFP_ADD_SUM Design Example: Understanding the Simulation Results
The simulation waveform in this design example is not shown in its entirety. Run the design example files
in the ModelSim-Altera software to see the complete simulation waveforms.
Figure 5-1: ALTFP_ADD_SUB Simulation Waveform
UG-01058
2014.12.19
ALTFP_ADD_SUB Design Example: Addition of Double-Precision Format Numbers
5-3
ALTFP_ADD_SUB IP Core
Altera Corporation
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