Version française
Home     About     Download     Resources     Contact us    
Browse thread
Objective Caml 2.02
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: -- (:)
From: Anton Moscal <msk@p...>
Subject: Re: Upgrade from OCaml 2.01 to OCaml 2.02 made things _slower_!
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