Overview

Files

square.cpp

Source code for example.

gen_input.cpp

Source code for sample input generation.

Makefile

Makefile for building example.

Directories

msvs

Contains Microsoft* Visual Studio* 2005 workspace for building and running the example (Windows* systems only).

xcode

Contains Xcode* IDE workspace for building and running the example (OS X* systems only).

To Build

make gen_input

Create an input generator program that prints out a sequence of integers.

make input.txt

Create an input file for the example (with help of gen_input).

Usage

square -h

Prints the help for command line options

square [n-of-threads=value] [input-file=value] [output-file=value] [max-slice-size=value] [silent]

square [n-of-threads [input-file [output-file [max-slice-size]]]] [silent]

n-of-threads is the number of threads to use; a range of the form low[:high], where low and optional high are non-negative integers or 'auto' for the TBB default.
input-file is an input file name.
output-file is an output file name.
max-slice-size is the maximum number of characters in one slice.
silent - no output except elapsed time.

gen_input [LN] > inputfile

Generate a file named inputfile consisting of LN lines each containing one integer. If not specified, LN is assumed to be 1000000.

To run a short version of this example, e.g., for use with Intel® Parallel Inspector:

Build a debug version of the example (see the build directions).
Prepare an inputfile with about 5,000 lines of text (see the instruction above).
Run it with this inputfile and the desired number of threads, e.g., square 4 inputfile outputfile.