User Guide

Contents

force-64bit-arithmetics

Consider all arithmetic operations as double-precision floating-point or int64 operations.
GUI Equivalent
Project Properties
Analysis Target
Performance Modeling
Other parameters

Syntax

--force-64bit-arithmetics
--no-force-64bit-arithmetics
Default
Off (no-force-64bit-arithmetics)
Actions Modified
collect
=projection
Example
  1. Run Survey Analysis.
  2. Run Trip Counts and FLOP analyses of the Characterization stage.
  3. Force 64-bit arithmetics when modeling your application performance on a target device.
$ advisor --collect=survey -stackwalk-mode=online --static-instruction-mix --project-dir=./advi -- myApplication
$ advisor --collect=tripcounts --flop --enable-data-transfer-analysis --project-dir=./advi -- myApplication
$ advisor --collect=projection --force-64bit-arithmetics --project-dir=./advi

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.