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From: Anton Moscal <msk@post.tepkom.ru>
To: Alexey Nogin <nogin@cs.cornell.edu>
Cc: caml-list@inria.fr
Subject: Re: Upgrade from OCaml 2.01 to OCaml 2.02 made things _slower_!
Date: Fri, 26 Mar 1999 14:49:21 +0300 (MSK)	[thread overview]
Message-ID: <Pine.LNX.4.03.9903261443020.22065-100000@post.tepkom.ru> (raw)
In-Reply-To: <36F86807.2F03B08@CS.Cornell.EDU>

Hello

> > >
> > Also you can try to apply this patch (attached to this message) to
> > asmcomp/selectgen.ml: this is another variant of allocation combiner.
> > Code, generated by this patch, is more close to code generated by the
> > ocaml-2.01 than the code from official ocaml-2.02 (Warning: I tested it
> > only on my own programs and on the Ocaml bootstrapping).
> 
> Thanks for the patch, but unfortunately it only made thinks even slower than with
> 2.02. It raised (compared with 2.02) number of memory requests by 0.2%-2% and

Can you send to me some small example?

> made L2 miss rate grow (up to from 37% to 44% on some input).

This can be normal result from elimination of useless commands (for
example many loading/storing of young_limit and young_ptr variables was
removed).

Regards, Anton




  reply	other threads:[~1999-03-26 13:15 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Xavier.Leroy@inria.fr>
1999-03-05 10:41 ` Objective Caml 2.02 Xavier Leroy
1999-03-05 13:34   ` Camlp4 2.02 Daniel de Rauglaudre
1999-03-05 15:11   ` Objective Caml 2.02 Pierpaolo Bernardi
1999-03-05 19:59   ` doligez
1999-03-11  3:06   ` Upgrade from OCaml 2.01 to OCaml 2.02 made things _slower_! Alexey Nogin
1999-03-11  9:44     ` Xavier Leroy
1999-03-11 23:59       ` Alexey Nogin
1999-03-13 13:40         ` Anton Moscal
1999-03-24  4:20           ` Alexey Nogin
1999-03-26 11:49             ` Anton Moscal [this message]
1999-04-06  2:06       ` Alexey Nogin
1999-04-06  7:53         ` Xavier Leroy
1999-03-11 23:42   ` List.filter in Ocaml 2.02 Alexey Nogin
1999-03-12 10:10     ` Wolfram Kahl
1999-03-12 18:18       ` Alexey Nogin
1999-03-13  2:43       ` David Monniaux
1999-03-12 17:01     ` Jean-Francois Monin
1999-03-12 18:41       ` Alexey Nogin
     [not found]     ` <199903121011.LAA27611@lsun565.lannion.cnet.fr>
1999-03-12 18:37       ` Alexey Nogin
1999-03-15  9:06         ` Jean-Francois Monin
1999-03-06  0:27 Sort.array easily degenerates Markus Mottl
1999-03-09 10:44 ` Xavier Leroy
1999-03-09 23:03   ` doligez
1999-03-10 13:58     ` Xavier Leroy
1999-03-10  0:28   ` Markus Mottl

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