Forktest - program to test process/thread creation speed.

Makefile
forktest Linux libc6 binary
sun.forktest Solaris 2.6 SPARC binary
forktest.cpp main source
myclone.c source for clone() tests on Linux

Here are some results from running "time ./forktest whatever" which does 10,000 iterations.

Sun Ultra Enterprise 2 with 2* 200MHz UltraSPARC CPUS
Solaris 2.6
fork:
real    1m42.296s
user    0m16.690s
sys     1m36.190s
pthread:
real    0m0.564s
user    0m0.540s
sys     0m0.040s

Sun Ultra 5 with 270MHz UltraSPARC CPU
Solaris 2.6
fork:
real    2m21.365s
user    0m19.270s
sys     1m45.680s
pthread:
real    0m0.548s
user    0m0.520s
sys     0m0.030s

IBM ThinkPad 380XD with 233MHz PentiumMMX CPU
Linux 2.2.10
fork:
real    0m21.727s
user    0m3.300s
sys     0m18.230s
pthread:
real    0m3.447s
user    0m0.930s
sys     0m2.510s
clone3:
real    0m0.786s
user    0m0.080s
sys     0m0.710s