From: tmoran@acm.org
Subject: Re: Profiling Gnat re. pthread_malloc, pthread_getspecific, system finalisation & tasking.
Date: Sat, 23 Jun 2001 20:06:25 GMT
Date: 2001-06-23T20:06:25+00:00 [thread overview]
Message-ID: <5F6Z6.118864$%i7.83650084@news1.rdc1.sfba.home.com> (raw)
In-Reply-To: h36Z6.153$E97.51670@nnrp2.sbc.net
> > (Mandrake 8.0) machine. I've used inlining, O3 optimisation, and
> > disabled all run-time checks.
>
> By "using inlining" do you mean pragma Inline? Did you also specify -gnatn?
A 10x difference in speed is unlikely to be caused by, or solved by,
any of those things.
> Somehow your Ada code does not correspond to your C++ code, regarding
> threads.
Likely. Though there may also be an optimization opportunity in
making it *less* like the C. I'm thinking in particular of getting
rid of malloc's by using local (stack) declarations instead. Ada
programs typically use heap allocation a lot less.
next prev parent reply other threads:[~2001-06-23 20:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-23 7:34 Profiling Gnat re. pthread_malloc, pthread_getspecific, system finalisation & tasking Charles Darcy
2001-06-23 10:57 ` Profiling Gnat re. pthread_malloc, pthread_getspecific, system Larry Kilgallen
2001-06-23 19:26 ` Profiling Gnat re. pthread_malloc, pthread_getspecific, system finalisation & tasking Pat Rogers
2001-06-23 20:06 ` tmoran [this message]
2001-06-25 5:25 ` Rod Kay
2001-06-25 5:42 ` Charles Darcy
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