From: Aryk Grosz <tennisbum2002@...>
Date: 2008-10-26T13:59:34+09:00
Subject: Mac OS X Leopard - Ruby is 3X faster with disable-pthreads

I have a fast mac pro computer.

I ran simple benchmark, and my computer took 13 seconds when
equal/slower macs around my office were only taking 2.5 seconds to
complete the exact same task.

I also noticed that my ruby was generally less zippier.

So I configure ruby to run WITHOUT pthread support, and now its at the
same speed as the other computers.

I dont really know how this could potentially screw things up, but Im
definitely liking the speed increase. The compiler told me the
following:

**
** PTHREAD SUPPORT MODE ERROR:
**
**   Ruby is not compiled with --enable-pthread, but your Tcl/Tk
**   library seems to be compiled with pthread support. This
**   combination may cause frequent hang or segmentation fault
**   errors when Ruby/Tk is working. We recommend that you NEVER
**   create the library with such a combination of pthread support.
**
**   Please recompile Ruby with the "--enable-pthread" configure option
**   or recompile Tcl/Tk with the "--disable-threads" configure option.
**

What Im curious about is, why the big speed difference? Its a night and
day difference in performance. Is there any kind of other performance
issues that I have to watch out for now, like more frequent crashing or
something?
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