From: Oleg <oleg_inconnu@myrealbox.com>
To: John Max Skaller <skaller@ozemail.com.au>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] O'Caml vs C++: a little benchmark
Date: Fri, 23 Aug 2002 17:35:36 -0400 [thread overview]
Message-ID: <200208232134.RAA09914@dewberry.cc.columbia.edu> (raw)
In-Reply-To: <3D66A3A0.1090901@ozemail.com.au>
On Friday 23 August 2002 05:05 pm, John Max Skaller wrote:
> Oleg wrote:
> > I'm curious as to where these huge differences for these small programs
> > come from.
>
> Perhaps .. here
>
>
> single_pass xb (sum +. float x)
>
>
> you have a float conversion -- creates a new heap element.
> Try changing the tests to do integer operations,
> they should be comparable then.
The C++ version contains the same conversion (with the exception that int is
native, but that's the price O'Caml is willing to pay, right?) And why heap?
BTW does O'Caml inline tail-recursive functions?
Cheers
Oleg
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next prev parent reply other threads:[~2002-08-23 21:34 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-18 17:17 Oleg
2002-08-18 18:00 ` William Chesters
2002-08-18 19:06 ` Oleg
2002-08-18 21:37 ` William Chesters
2002-08-19 13:02 ` Xavier Leroy
2002-08-19 13:58 ` [Caml-list] Inlining across functors (was: O'Caml vs C++: a little benchmark) Thorsten Ohl
2002-08-19 21:16 ` malc
2002-08-19 22:06 ` [Caml-list] Specialization (was: Inlining across functors) Thorsten Ohl
2002-08-20 6:35 ` [Caml-list] " malc
2002-08-20 6:25 ` [Caml-list] Inlining across functors (was: O'Caml vs C++: a little benchmark) malc
2002-08-19 14:39 ` [Caml-list] O'Caml vs C++: a little benchmark Oleg
2002-08-19 15:15 ` William Chesters
2002-08-18 19:16 ` Markus Mottl
2002-08-18 19:58 ` Oleg
2002-08-18 22:59 ` Markus Mottl
2002-08-19 13:12 ` malc
2002-08-19 13:22 ` malc
2002-08-23 21:05 ` John Max Skaller
2002-08-23 21:35 ` Oleg [this message]
2002-08-28 13:47 ` John Max Skaller
2002-08-28 14:34 ` Alain Frisch
2002-08-28 17:23 ` inlining tail-recursive functions (Re: [Caml-list] O'Caml vs C++: a little benchmark) Oleg
2002-08-31 1:13 ` John Max Skaller
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