Altfp_convert resource utilization and performance – Altera Floating-Point User Manual

Page 118

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Table 17-3: Latency Options for Each Operation

Operation

Conversion From

Latency (in clock cycles)

Integer-to-Float

N/A

6

Float-to-Integer

N/A

6

Float-to-Float

Single-precision format

2

Double-precision format

3

Single-extended precision format

3

Fixed-to-Float

N/A

6

Float-to-Fixed

N/A

6

ALTFP_CONVERT Resource Utilization and Performance

This table lists the resource utilization and performance information for the ALTFP_CONVERT IP core.

The information was derived using the Quartus II software version 10.0.

Table 17-4: ALTFP_CONVERT Resource Utilization and Performance for Stratix III Devices

Operation

Format

Pipeline

Logic Usage

f

MAX

(MHz)

Adaptive

Look-Up

Tables

(ALUTs)

Dedicated

Logic

Registers

(DLRs)

Adaptive

Logic

Modules

(ALMs)

Integer to-Float

32-bit

integer to

single-

precision

6

182

238

157

515

32-bit

integer to

double-

precision

6

150

139

123

510

64-bit

integer to

single-

precision

6

385

371

296

336

64-bit

integer to

single-

precision

6

393

461

344

336

UG-01058

2014.12.19

ALTFP_CONVERT Resource Utilization and Performance

17-3

ALTFP_CONVERT IP Core

Altera Corporation

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