gistfile1.txt

Java & Scala vs C++ benchmark

Machine: PowerMac 2x2.8 GHz Xeon (8 cores), 4GB RAM

$ g++ -v
Using built-in specs.
Target: i686-apple-darwin9
Configured with: /var/tmp/gcc/gcc-5493~1/src/configure --disable-checking -enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.0/ --with-gxx-include-dir=/include/c++/4.0.0 --with-slibdir=/usr/lib --build=i686-apple-darwin9 --with-arch=apple --with-tune=generic --host=i686-apple-darwin9 --target=i686-apple-darwin9
Thread model: posix
gcc version 4.0.1 (Apple Inc. build 5493)

$ java -version
java version "1.6.0_07"
Java(TM) SE Runtime Environment (build 1.6.0_07-b06-153)
Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_07-b06-57, mixed mode)

$ scala -version
Scala code runner version 2.7.3.final -- Copyright 2002-2009, LAMP/EPFL


SOURCE code for C++: http://gist.github.com/87516

SOURCE code for Java: http://gist.github.com/87518   

SOURCE code for Scala: http://gist.github.com/87760

RESULTS:

C++

$ g++ -O3 -fomit-frame-pointer -march=pentium4 Bench.cpp -o Bench
$ ./Bench
1796.2
1682.14
1673.19
1678.66
1685.71
1671.59
1702.79
1714.34
1652.46
1651.8

JAVA

$ javac Bench.java                                               
java -server Bench
967
1036
769
740
716
718
717
716
716
717

SCALA

$ java -server -cp /opt/local/share/java/scala-library.jar:. BenchScala
1016
951
716
717