"make test" makes 64-bit Linux incredibly slow about actor-framework HOT 4 CLOSED

[neverlord@localhost libcppa]$ cat /etc/fedora-release 
Fedora release 17 (Beefy Miracle)

[neverlord@localhost libcppa]$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.7.0/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --disable-build-with-cxx --disable-build-poststage1-with-cxx --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-initfini-array --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.7.0 20120507 (Red Hat 4.7.0-5) (GCC) 

[neverlord@localhost libcppa]$ make test
make[1]: Entering directory `/home/neverlord/libcppa/build'
Running tests...
Test project /home/neverlord/libcppa/build
    Start 1: unit_tests
1/1 Test #1: unit_tests .......................   Passed    3.87 sec

100% tests passed, 0 tests failed out of 1

Total Test time (real) =   3.88 sec
make[1]: Leaving directory `/home/neverlord/libcppa/build'

100% tests passed, 0 tests failed out of 15

Total Test time (real) =   5.05 sec