Intel® Advisor Help

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

See Also