Linda Walsh <cygwin <at> tlinx.org> writes: > I can confirm the perl test case: > > Using the referenced prog: > on Linux: > cyg-perl-thread-test.pl > This is perl 5, version 14, subversion 2 (v5.14.2) built for > x86_64-linux-thread-multi > Processing 10 tasks in 1 threads completed in 0.468952secs > Processing 10 tasks in 4 threads completed in 0.156822secs > cat /proc/cpuinfo/Hz|sort |uniq > model name : Intel(R) Xeon(R) CPU X5660 @ 2.80GHz > cpu MHz : 1596.000 > > On Cygwin: > This is perl 5, version 14, subversion 2 (v5.14.2) built for > cygwin-thread-multi-64int > Processing 10 tasks in 1 threads completed in 1.060806secs > Processing 10 tasks in 4 threads completed in 9.640635secs > /Users/law> cat /proc/cpuinfo|grep Hz|sort -r |uniq > model name : Intel(R) Xeon(R) CPU X5680 @ 3.33GHz > cpu MHz : 3325
Just out of curiousity are you running XP-32bit? If you are, could you try running the multithreaded test with CPU affinity set to 1 (single core)? You should see it take just a little more time to complete vs the single threaded one. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
