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Postings from May 2010
On Tue, May 4, 2010 at 12:06 AM, Reini Urban <rurban@x-ray.at> wrote: > 2010/5/3 Ruslan Zakirov <ruz@bestpractical.com>: >> While testing a simple benchmark script I noticed that threaded >> version is 25% faster. I suspect that the code may be is not thread >> safe, however don't know anything about perl threads. > > This is because threaded passes the my_perl struct on the stack, > PL_op is just 4(%esi). > Accessing stack locals is much faster than accessing a global. I was comparing "shift;" and "shift @_;" on a threaded build. Big difference made me nervouse. I thought that may be it's not safe to use PL_defgv directly under threads. Vincent thinks it is safe. I'm happy with that. Reini and Jan thanks for interesting info. > -- > Reini Urban > http://phpwiki.org/ http://murbreak.at/ > -- Best regards, Ruslan.Thread Previous | Thread Next