Hi All,
I did some tests with GCC-4.2.2 (MinGW build) and the source code
provided by skaller.
The compilation log is as follows.
-------------- Build: Release in Test ---------------
[ 50.0%] mingw32-gcc.exe -Wall -fexceptions -fopenmp -O2
-IC:\MinGW\include -c C:\Projects\Test\combined_mp.c -o
obj\Release\combined_mp.o
C:\Projects\Test\combined_mp.c: In function 'main':
C:\Projects\Test\combined_mp.c:77: warning: 'sum' is used uninitialized
in this function
[100.0%] mingw32-g++.exe -LC:\MinGW\lib -o bin\Release\Test.exe
obj\Release\combined_mp.o -s -lgomp -lpthread
Output size is 16.50 KB
Process terminated with status 0 (0 minutes, 0 seconds)
0 errors, 1 warnings
Here is the result of two sample runs.
C:\Projects\Test\bin\Release>set OMP_NUM_THREADS=1
C:\Projects\Test\bin\Release>test
e started at 0
e done at 2859
pi started at 2859
pi done at 12390
integration started at 12390
integration done at 26234
Values: e*pi = 8.539734, integral = 9.666667
Total elapsed time: 26.234 seconds
C:\Projects\Test\bin\Release>set OMP_NUM_THREADS=2
C:\Projects\Test\bin\Release>test
e started at 0
pi started at 0
e done at 828
integration started at 828
integration done at 8015
pi done at 8703
integration started at 8703
Values: e*pi = 9.267763, integral = 9.666667
Total elapsed time: 15.609 seconds
C:\Projects\Test\bin\Release>
This indicates that GOMP is working well. :)
My system specs:
Windows XP SP2, 1GB RAM, [EMAIL PROTECTED] GHz (Core Duo)
Compiler: GCC-4.2.2 (MinGW build)
Best Regards,
Biplab
http://biplab.in
